Merge from rustc

37 files changed, 575 insertions, 182 deletions

diff --git a/src/bootstrap/cc_detect.rs b/src/bootstrap/cc_detect.rs
index 7795bebaed5..65c882fb801 100644
--- a/src/bootstrap/cc_detect.rs
+++ b/src/bootstrap/cc_detect.rs
@@ -168,23 +168,7 @@ fn set_compiler(
         // compiler already takes into account the triple in question.
         t if t.contains("android") => {
             if let Some(ndk) = config.and_then(|c| c.ndk.as_ref()) {
-                let mut triple_iter = target.triple.split("-");
-                let triple_translated = if let Some(arch) = triple_iter.next() {
-                    let arch_new = match arch {
-                        "arm" | "armv7" | "armv7neon" | "thumbv7" | "thumbv7neon" => "armv7a",
-                        other => other,
-                    };
-                    std::iter::once(arch_new).chain(triple_iter).collect::<Vec<&str>>().join("-")
-                } else {
-                    target.triple.to_string()
-                };
-
-                // API 19 is the earliest API level supported by NDK r25b but AArch64 and x86_64 support
-                // begins at API level 21.
-                let api_level =
-                    if t.contains("aarch64") || t.contains("x86_64") { "21" } else { "19" };
-                let compiler = format!("{}{}-{}", triple_translated, api_level, compiler.clang());
-                cfg.compiler(ndk.join("bin").join(compiler));
+                cfg.compiler(ndk_compiler(compiler, &*target.triple, ndk));
             }
         }
 
@@ -236,8 +220,28 @@ fn set_compiler(
     }
 }
 
+pub(crate) fn ndk_compiler(compiler: Language, triple: &str, ndk: &Path) -> PathBuf {
+    let mut triple_iter = triple.split("-");
+    let triple_translated = if let Some(arch) = triple_iter.next() {
+        let arch_new = match arch {
+            "arm" | "armv7" | "armv7neon" | "thumbv7" | "thumbv7neon" => "armv7a",
+            other => other,
+        };
+        std::iter::once(arch_new).chain(triple_iter).collect::<Vec<&str>>().join("-")
+    } else {
+        triple.to_string()
+    };
+
+    // API 19 is the earliest API level supported by NDK r25b but AArch64 and x86_64 support
+    // begins at API level 21.
+    let api_level =
+        if triple.contains("aarch64") || triple.contains("x86_64") { "21" } else { "19" };
+    let compiler = format!("{}{}-{}", triple_translated, api_level, compiler.clang());
+    ndk.join("bin").join(compiler)
+}
+
 /// The target programming language for a native compiler.
-enum Language {
+pub(crate) enum Language {
     /// The compiler is targeting C.
     C,
     /// The compiler is targeting C++.
diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
index af004aa5098..c61025b556a 100644
--- a/src/bootstrap/config.rs
+++ b/src/bootstrap/config.rs
@@ -15,6 +15,7 @@ use std::str::FromStr;
 
 use crate::builder::TaskPath;
 use crate::cache::{Interned, INTERNER};
+use crate::cc_detect::{ndk_compiler, Language};
 use crate::channel::{self, GitInfo};
 pub use crate::flags::Subcommand;
 use crate::flags::{Color, Flags};
@@ -1237,8 +1238,12 @@ impl Config {
                 if let Some(s) = cfg.no_std {
                     target.no_std = s;
                 }
-                target.cc = cfg.cc.map(PathBuf::from);
-                target.cxx = cfg.cxx.map(PathBuf::from);
+                target.cc = cfg.cc.map(PathBuf::from).or_else(|| {
+                    target.ndk.as_ref().map(|ndk| ndk_compiler(Language::C, &triple, ndk))
+                });
+                target.cxx = cfg.cxx.map(PathBuf::from).or_else(|| {
+                    target.ndk.as_ref().map(|ndk| ndk_compiler(Language::CPlusPlus, &triple, ndk))
+                });
                 target.ar = cfg.ar.map(PathBuf::from);
                 target.ranlib = cfg.ranlib.map(PathBuf::from);
                 target.linker = cfg.linker.map(PathBuf::from);
diff --git a/src/ci/docker/host-x86_64/armhf-gnu/Dockerfile b/src/ci/docker/host-x86_64/armhf-gnu/Dockerfile
index 69f88e49520..57e63cd39d2 100644
--- a/src/ci/docker/host-x86_64/armhf-gnu/Dockerfile
+++ b/src/ci/docker/host-x86_64/armhf-gnu/Dockerfile
@@ -9,7 +9,7 @@ RUN apt-get update -y && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-
       curl \
       file \
       g++ \
-      gcc-arm-linux-gnueabihf \
+      g++-arm-linux-gnueabihf \
       git \
       libc6-dev \
       libc6-dev-armhf-cross \
diff --git a/src/librustdoc/clean/blanket_impl.rs b/src/librustdoc/clean/blanket_impl.rs
index d8063705582..cb0b8d4a9bc 100644
--- a/src/librustdoc/clean/blanket_impl.rs
+++ b/src/librustdoc/clean/blanket_impl.rs
@@ -76,6 +76,7 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> {
                 for predicate in predicates {
                     debug!("testing predicate {:?}", predicate);
                     let obligation = traits::Obligation::new(
+                        infcx.tcx,
                         traits::ObligationCause::dummy(),
                         param_env,
                         predicate,
diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index 8738986c7da..5ec2fe47e01 100644
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -217,10 +217,7 @@ h1 a,
 .search-results a,
 .module-item .stab,
 .import-item .stab,
-.result-name .primitive > i, .result-name .keyword > i,
-.method .where,
-.fn .where,
-.where.fmt-newline {
+.result-name .primitive > i, .result-name .keyword > i {
 	color: var(--main-color);
 }
 
@@ -1162,6 +1159,8 @@ pre.rust .doccomment {
 	width: max-content;
 	top: -2px;
 	z-index: 1;
+	background-color: var(--tooltip-background-color);
+	color: var(--tooltip-color);
 }
 
 .example-wrap .tooltip::before {
@@ -1170,10 +1169,10 @@ pre.rust .doccomment {
 	top: 50%;
 	left: 16px;
 	margin-top: -5px;
-	border-width: 5px;
-	border-style: solid;
 	display: none;
 	z-index: 1;
+	border: 5px solid transparent;
+	border-right-color: var(--tooltip-background-color);
 }
 
 .example-wrap.ignore .tooltip::after {
@@ -1393,12 +1392,6 @@ h3.variant {
 	background-color: var(--button-background-color);
 	border: 1px solid var(--border-color);
 	border-radius: 2px;
-	color: var(--settings-button-color);
-}
-
-#settings-menu > a:hover, #settings-menu > a:focus,
-#help-button > a:hover, #help-button > a:focus {
-	border-color: var(--settings-button-border-focus);
 }
 
 #copy-path {
diff --git a/src/librustdoc/html/static/css/themes/ayu.css b/src/librustdoc/html/static/css/themes/ayu.css
index 8052bd3fcb3..0e4dacb28f7 100644
--- a/src/librustdoc/html/static/css/themes/ayu.css
+++ b/src/librustdoc/html/static/css/themes/ayu.css
@@ -7,8 +7,6 @@ Original by Dempfi (https://github.com/dempfi/ayu)
 	--main-background-color: #0f1419;
 	--main-color: #c5c5c5;
 	--settings-input-color: #ffb454;
-	--settings-button-color: #fff;
-	--settings-button-border-focus: #e0e0e0;
 	--sidebar-background-color: #14191f;
 	--sidebar-background-color-hover: rgba(70, 70, 70, 0.33);
 	--code-block-background-color: #191f26;
@@ -67,6 +65,8 @@ Original by Dempfi (https://github.com/dempfi/ayu)
 	--test-arrow-hover-background-color: rgba(57, 175, 215, 0.368);
 	--target-background-color: rgba(255, 236, 164, 0.06);
 	--target-border-color: rgba(255, 180, 76, 0.85);
+	--tooltip-background-color: #314559;
+	--tooltip-color: #c5c5c5;
 	--rust-logo-filter: drop-shadow(1px 0 0px #fff)
 		drop-shadow(0 1px 0 #fff)
 		drop-shadow(-1px 0 0 #fff)
@@ -162,15 +162,6 @@ details.rustdoc-toggle > summary::before {
 	color: #788797;
 }
 
-.tooltip::after {
-	background-color: #314559;
-	color: #c5c5c5;
-}
-
-.tooltip::before {
-	border-color: transparent #314559 transparent transparent;
-}
-
 #titles > button.selected {
 	background-color: #141920 !important;
 	border-bottom: 1px solid #ffb44c !important;
@@ -208,10 +199,19 @@ kbd {
 	box-shadow: inset 0 -1px 0 #5c6773;
 }
 
+#settings-menu > a, #help-button > a {
+	color: #fff;
+}
+
 #settings-menu > a img {
 	filter: invert(100);
 }
 
+#settings-menu > a:hover, #settings-menu > a:focus,
+#help-button > a:hover, #help-button > a:focus {
+	border-color: #e0e0e0;
+}
+
 .search-results .result-name span.alias {
 	color: #c5c5c5;
 }
diff --git a/src/librustdoc/html/static/css/themes/dark.css b/src/librustdoc/html/static/css/themes/dark.css
index 8680403f766..8e00591179f 100644
--- a/src/librustdoc/html/static/css/themes/dark.css
+++ b/src/librustdoc/html/static/css/themes/dark.css
@@ -2,8 +2,6 @@
 	--main-background-color: #353535;
 	--main-color: #ddd;
 	--settings-input-color: #2196f3;
-	--settings-button-color: #000;
-	--settings-button-border-focus: #ffb900;
 	--sidebar-background-color: #505050;
 	--sidebar-background-color-hover: #676767;
 	--code-block-background-color: #2A2A2A;
@@ -62,6 +60,8 @@
 	--test-arrow-hover-background-color: #4e8bca;
 	--target-background-color: #494a3d;
 	--target-border-color: #bb7410;
+	--tooltip-background-color: #000;
+	--tooltip-color: #fff;
 	--rust-logo-filter: drop-shadow(1px 0 0px #fff)
 		drop-shadow(0 1px 0 #fff)
 		drop-shadow(-1px 0 0 #fff)
@@ -84,16 +84,6 @@ details.rustdoc-toggle > summary::before {
 	filter: invert(100%);
 }
 
-.tooltip::after {
-	background-color: #000;
-	color: #fff;
-	border-color: #000;
-}
-
-.tooltip::before {
-	border-color: transparent black transparent transparent;
-}
-
 #titles > button:not(.selected) {
 	background-color: #252525;
 	border-top-color: #252525;
@@ -114,6 +104,15 @@ kbd {
 	box-shadow: inset 0 -1px 0 #c6cbd1;
 }
 
+#settings-menu > a, #help-button > a {
+	color: #000;
+}
+
+#settings-menu > a:hover, #settings-menu > a:focus,
+#help-button > a:hover, #help-button > a:focus {
+	border-color: #ffb900;
+}
+
 .search-results .result-name span.alias {
 	color: #fff;
 }
diff --git a/src/librustdoc/html/static/css/themes/light.css b/src/librustdoc/html/static/css/themes/light.css
index 37d5e8d1600..e23e3682b16 100644
--- a/src/librustdoc/html/static/css/themes/light.css
+++ b/src/librustdoc/html/static/css/themes/light.css
@@ -2,8 +2,6 @@
 	--main-background-color: white;
 	--main-color: black;
 	--settings-input-color: #2196f3;
-	--settings-button-color: #000;
-	--settings-button-border-focus: #717171;
 	--sidebar-background-color: #F5F5F5;
 	--sidebar-background-color-hover: #E0E0E0;
 	--code-block-background-color: #F5F5F5;
@@ -60,8 +58,10 @@
 	--test-arrow-background-color: rgba(78, 139, 202, 0.2);
 	--test-arrow-hover-color: #f5f5f5;
 	--test-arrow-hover-background-color: #4e8bca;
-	--target-background-color: #fdFfd3;
+	--target-background-color: #fdffd3;
 	--target-border-color: #ad7c37;
+	--tooltip-background-color: #fdffd3;
+	--tooltip-color: #fff;
 	--rust-logo-filter: initial;
 	/* match border-color; uses https://codepen.io/sosuke/pen/Pjoqqp */
 	--crate-search-div-filter: invert(100%) sepia(0%) saturate(4223%) hue-rotate(289deg)
@@ -77,15 +77,6 @@ body.source .example-wrap pre.rust a {
 	background: #eee;
 }
 
-.tooltip::after {
-	background-color: #000;
-	color: #fff;
-}
-
-.tooltip::before {
-	border-color: transparent black transparent transparent;
-}
-
 #titles > button:not(.selected) {
 	background-color: #e6e6e6;
 	border-top-color: #e6e6e6;
@@ -106,6 +97,15 @@ kbd {
 	box-shadow: inset 0 -1px 0 #c6cbd1;
 }
 
+#settings-menu > a, #help-button > a {
+	color: #000;
+}
+
+#settings-menu > a:hover, #settings-menu > a:focus,
+#help-button > a:hover, #help-button > a:focus {
+	border-color: #717171;
+}
+
 .search-results .result-name span.alias {
 	color: #000;
 }
diff --git a/src/librustdoc/html/static/js/settings.js b/src/librustdoc/html/static/js/settings.js
index 95cc265f1bd..5256ae916a7 100644
--- a/src/librustdoc/html/static/js/settings.js
+++ b/src/librustdoc/html/static/js/settings.js
@@ -9,13 +9,16 @@
     const isSettingsPage = window.location.pathname.endsWith("/settings.html");
 
     function changeSetting(settingName, value) {
+        if (settingName === "theme") {
+            const useSystem = value === "system preference" ? "true" : "false";
+            updateLocalStorage("use-system-theme", useSystem);
+        }
         updateLocalStorage(settingName, value);
 
         switch (settingName) {
             case "theme":
             case "preferred-dark-theme":
             case "preferred-light-theme":
-            case "use-system-theme":
                 updateSystemTheme();
                 updateLightAndDark();
                 break;
@@ -45,7 +48,6 @@
     }
 
     function showLightAndDark() {
-        addClass(document.getElementById("theme").parentElement, "hidden");
         removeClass(document.getElementById("preferred-light-theme").parentElement, "hidden");
         removeClass(document.getElementById("preferred-dark-theme").parentElement, "hidden");
     }
@@ -53,11 +55,11 @@
     function hideLightAndDark() {
         addClass(document.getElementById("preferred-light-theme").parentElement, "hidden");
         addClass(document.getElementById("preferred-dark-theme").parentElement, "hidden");
-        removeClass(document.getElementById("theme").parentElement, "hidden");
     }
 
     function updateLightAndDark() {
-        if (getSettingValue("use-system-theme") !== "false") {
+        const useSystem = getSettingValue("use-system-theme");
+        if (useSystem === "true" || (useSystem === null && getSettingValue("theme") === null)) {
             showLightAndDark();
         } else {
             hideLightAndDark();
@@ -91,7 +93,18 @@
         });
         onEachLazy(settingsElement.querySelectorAll("input[type=\"radio\"]"), elem => {
             const settingId = elem.name;
-            const settingValue = getSettingValue(settingId);
+            let settingValue = getSettingValue(settingId);
+            if (settingId === "theme") {
+                const useSystem = getSettingValue("use-system-theme");
+                if (useSystem === "true" || settingValue === null) {
+                    if (useSystem !== "false") {
+                        settingValue = "system preference";
+                    } else {
+                        // This is the default theme.
+                        settingValue = "light";
+                    }
+                }
+            }
             if (settingValue !== null && settingValue !== "null") {
                 elem.checked = settingValue === elem.value;
             }
@@ -120,26 +133,30 @@
 
             if (setting["options"] !== undefined) {
                 // This is a select setting.
-                output += `<div class="radio-line" id="${js_data_name}">\
-                        <span class="setting-name">${setting_name}</span>\
-                        <div class="choices">`;
+                output += `\
+<div class="radio-line" id="${js_data_name}">
+    <span class="setting-name">${setting_name}</span>
+<div class="choices">`;
                 onEach(setting["options"], option => {
                     const checked = option === setting["default"] ? " checked" : "";
+                    const full = `${js_data_name}-${option.replace(/ /g,"-")}`;
 
-                    output += `<label for="${js_data_name}-${option}" class="choice">\
-                           <input type="radio" name="${js_data_name}" \
-                                id="${js_data_name}-${option}" value="${option}"${checked}>\
-                           <span>${option}</span>\
-                         </label>`;
+                    output += `\
+<label for="${full}" class="choice">
+    <input type="radio" name="${js_data_name}"
+        id="${full}" value="${option}"${checked}>
+    <span>${option}</span>
+</label>`;
                 });
                 output += "</div></div>";
             } else {
                 // This is a toggle.
                 const checked = setting["default"] === true ? " checked" : "";
-                output += `<label class="toggle">\
-                        <input type="checkbox" id="${js_data_name}"${checked}>\
-                        <span class="label">${setting_name}</span>\
-                    </label>`;
+                output += `\
+<label class="toggle">\
+    <input type="checkbox" id="${js_data_name}"${checked}>\
+    <span class="label">${setting_name}</span>\
+</label>`;
             }
             output += "</div>";
         }
@@ -157,15 +174,10 @@
 
         const settings = [
             {
-                "name": "Use system theme",
-                "js_name": "use-system-theme",
-                "default": true,
-            },
-            {
                 "name": "Theme",
                 "js_name": "theme",
-                "default": "light",
-                "options": theme_names,
+                "default": "system preference",
+                "options": theme_names.concat("system preference"),
             },
             {
                 "name": "Preferred light theme",
diff --git a/src/test/run-make-fulldeps/tools.mk b/src/test/run-make-fulldeps/tools.mk
index 33bf95ac165..0f5425daa16 100644
--- a/src/test/run-make-fulldeps/tools.mk
+++ b/src/test/run-make-fulldeps/tools.mk
@@ -40,6 +40,17 @@ endif
 # e.g. for `$(CC) -o $(RUN_BINFILE)`.
 RUN_BINFILE = $(TMPDIR)/$(1)
 
+# Invoke the generated binary on the remote machine if compiletest was
+# configured to use a remote test device, otherwise run it on the current host.
+ifdef REMOTE_TEST_CLIENT
+# FIXME: if a test requires additional files, this will need to be changed to
+# also push them (by changing the 0 to the number of additional files, and
+# providing the path of the additional files as the last arguments).
+EXECUTE = $(REMOTE_TEST_CLIENT) run 0 $(RUN_BINFILE)
+else
+EXECUTE = $(RUN_BINFILE)
+endif
+
 # RUN and FAIL are basic way we will invoke the generated binary.  On
 # non-windows platforms, they set the LD_LIBRARY_PATH environment
 # variable before running the binary.
@@ -50,16 +61,16 @@ BIN = $(1)
 UNAME = $(shell uname)
 
 ifeq ($(UNAME),Darwin)
-RUN = $(TARGET_RPATH_ENV) $(RUN_BINFILE)
-FAIL = $(TARGET_RPATH_ENV) $(RUN_BINFILE) && exit 1 || exit 0
+RUN = $(TARGET_RPATH_ENV) $(EXECUTE)
+FAIL = $(TARGET_RPATH_ENV) $(EXECUTE) && exit 1 || exit 0
 DYLIB_GLOB = lib$(1)*.dylib
 DYLIB = $(TMPDIR)/lib$(1).dylib
 STATICLIB = $(TMPDIR)/lib$(1).a
 STATICLIB_GLOB = lib$(1)*.a
 else
 ifdef IS_WINDOWS
-RUN = PATH="$(PATH):$(TARGET_RPATH_DIR)" $(RUN_BINFILE)
-FAIL = PATH="$(PATH):$(TARGET_RPATH_DIR)" $(RUN_BINFILE) && exit 1 || exit 0
+RUN = PATH="$(PATH):$(TARGET_RPATH_DIR)" $(EXECUTE)
+FAIL = PATH="$(PATH):$(TARGET_RPATH_DIR)" $(EXECUTE) && exit 1 || exit 0
 DYLIB_GLOB = $(1)*.dll
 DYLIB = $(TMPDIR)/$(1).dll
 ifdef IS_MSVC
@@ -73,8 +84,8 @@ endif
 BIN = $(1).exe
 LLVM_FILECHECK := $(shell cygpath -u "$(LLVM_FILECHECK)")
 else
-RUN = $(TARGET_RPATH_ENV) $(RUN_BINFILE)
-FAIL = $(TARGET_RPATH_ENV) $(RUN_BINFILE) && exit 1 || exit 0
+RUN = $(TARGET_RPATH_ENV) $(EXECUTE)
+FAIL = $(TARGET_RPATH_ENV) $(EXECUTE) && exit 1 || exit 0
 DYLIB_GLOB = lib$(1)*.so
 DYLIB = $(TMPDIR)/lib$(1).so
 STATICLIB = $(TMPDIR)/lib$(1).a
diff --git a/src/test/run-make/issue-36710/Makefile b/src/test/run-make/issue-36710/Makefile
index 986a3f4e64b..d6145c07126 100644
--- a/src/test/run-make/issue-36710/Makefile
+++ b/src/test/run-make/issue-36710/Makefile
@@ -1,6 +1,7 @@
-# ignore-cross-compile $(call RUN,foo) expects to run the target executable natively
-#                              so it won't work with remote-test-server
 # ignore-none no-std is not supported
+# ignore-wasm32 FIXME: don't attempt to compile C++ to WASM
+# ignore-wasm64 FIXME: don't attempt to compile C++ to WASM
+# ignore-nvptx64-nvidia-cuda FIXME: can't find crate for `std`
 # ignore-musl FIXME: this makefile needs teaching how to use a musl toolchain
 #                    (see dist-i586-gnu-i586-i686-musl Dockerfile)
 
diff --git a/src/test/rustdoc-gui/codeblock-tooltip.goml b/src/test/rustdoc-gui/codeblock-tooltip.goml
index 8e681a2a0c3..caa1ab8f31e 100644
--- a/src/test/rustdoc-gui/codeblock-tooltip.goml
+++ b/src/test/rustdoc-gui/codeblock-tooltip.goml
@@ -4,7 +4,7 @@ show-text: true
 
 define-function: (
     "check-colors",
-    (theme),
+    (theme, background, color, border),
     [
         // Setting the theme.
         ("local-storage", {"rustdoc-theme": |theme|, "rustdoc-use-system-theme": "false"}),
@@ -30,6 +30,25 @@ define-function: (
             ".docblock .example-wrap.compile_fail",
             {"border-left": "2px solid rgb(255, 0, 0)"},
         )),
+        ("assert-css", (
+            ".docblock .example-wrap.compile_fail .tooltip::after",
+            {
+                "content": '"This example deliberately fails to compile"',
+                "text-align": "center",
+                "padding": "5px 3px 3px",
+                "background-color": |background|,
+                "color": |color|,
+                "border": "1px solid " + |border|,
+            },
+        )),
+        ("assert-css", (
+            ".docblock .example-wrap.compile_fail .tooltip::before",
+            {
+                "border-width": "5px",
+                "border-style": "solid",
+                "border-color": "rgba(0, 0, 0, 0) " + |background| + " rgba(0, 0, 0, 0) rgba(0, 0, 0, 0)",
+            },
+        )),
 
         // should_panic block
         ("assert-css", (
@@ -51,6 +70,25 @@ define-function: (
             ".docblock .example-wrap.should_panic",
             {"border-left": "2px solid rgb(255, 0, 0)"},
         )),
+        ("assert-css", (
+            ".docblock .example-wrap.should_panic .tooltip::after",
+            {
+                "content": '"This example panics"',
+                "text-align": "center",
+                "padding": "5px 3px 3px",
+                "background-color": |background|,
+                "color": |color|,
+                "border": "1px solid " + |border|,
+            },
+        )),
+        ("assert-css", (
+            ".docblock .example-wrap.should_panic .tooltip::before",
+            {
+                "border-width": "5px",
+                "border-style": "solid",
+                "border-color": "rgba(0, 0, 0, 0) " + |background| + " rgba(0, 0, 0, 0) rgba(0, 0, 0, 0)",
+            },
+        )),
 
         // ignore block
         ("assert-css", (
@@ -72,9 +110,43 @@ define-function: (
             ".docblock .example-wrap.ignore",
             {"border-left": "2px solid rgb(255, 142, 0)"},
         )),
+        ("assert-css", (
+            ".docblock .example-wrap.ignore .tooltip::after",
+            {
+                "content": '"This example is not tested"',
+                "text-align": "center",
+                "padding": "5px 3px 3px",
+                "background-color": |background|,
+                "color": |color|,
+                "border": "1px solid " + |border|,
+            },
+        )),
+        ("assert-css", (
+            ".docblock .example-wrap.ignore .tooltip::before",
+            {
+                "border-width": "5px",
+                "border-style": "solid",
+                "border-color": "rgba(0, 0, 0, 0) " + |background| + " rgba(0, 0, 0, 0) rgba(0, 0, 0, 0)",
+            },
+        )),
     ],
 )
 
-call-function: ("check-colors", ("ayu"))
-call-function: ("check-colors", ("dark"))
-call-function: ("check-colors", ("light"))
+call-function: ("check-colors", {
+    "theme": "ayu",
+    "background": "rgb(49, 69, 89)",
+    "color": "rgb(197, 197, 197)",
+    "border": "rgb(92, 103, 115)",
+})
+call-function: ("check-colors", {
+    "theme": "dark",
+    "background": "rgb(0, 0, 0)",
+    "color": "rgb(255, 255, 255)",
+    "border": "rgb(224, 224, 224)",
+})
+call-function: ("check-colors", {
+    "theme": "light",
+    "background": "rgb(253, 255, 211)",
+    "color": "rgb(255, 255, 255)",
+    "border": "rgb(224, 224, 224)",
+})
diff --git a/src/test/rustdoc-gui/settings.goml b/src/test/rustdoc-gui/settings.goml
index 7e7971d47fb..fc3beaa53fa 100644
--- a/src/test/rustdoc-gui/settings.goml
+++ b/src/test/rustdoc-gui/settings.goml
@@ -37,8 +37,7 @@ click: "#settings-menu"
 wait-for: "#settings"
 
 // We check that the "Use system theme" is disabled.
-assert-property: ("#use-system-theme", {"checked": "false"})
-assert: "//*[@class='setting-line']//span[text()='Use system theme']"
+assert-property: ("#theme-system-preference", {"checked": "false"})
 // Meaning that only the "theme" menu is showing up.
 assert: ".setting-line:not(.hidden) #theme"
 assert: ".setting-line.hidden #preferred-dark-theme"
@@ -115,13 +114,6 @@ assert-css: (
         "border-color": "rgb(221, 221, 221)",
     },
 )
-assert-css: (
-    "#use-system-theme",
-    {
-        "background-color": "rgba(0, 0, 0, 0)",
-        "border-color": "rgb(221, 221, 221)",
-    }
-)
 // Let's start with the hover for toggles.
 move-cursor-to: "#auto-hide-large-items"
 assert-css: (
@@ -131,14 +123,6 @@ assert-css: (
         "border-color": "rgb(33, 150, 243)",
     },
 )
-move-cursor-to: "#use-system-theme"
-assert-css: (
-    "#use-system-theme",
-    {
-        "background-color": "rgba(0, 0, 0, 0)",
-        "border-color": "rgb(33, 150, 243)",
-    }
-)
 move-cursor-to: "#settings-menu > a"
 // Let's now check with the focus for toggles.
 focus: "#auto-hide-large-items"
@@ -150,15 +134,6 @@ assert-css: (
         "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px",
     },
 )
-focus: "#use-system-theme"
-assert-css: (
-    "#use-system-theme",
-    {
-        "background-color": "rgba(0, 0, 0, 0)",
-        "border-color": "rgb(221, 221, 221)",
-        "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px",
-    },
-)
 // Now we check we both focus and hover for toggles.
 move-cursor-to: "#auto-hide-large-items"
 focus: "#auto-hide-large-items"
@@ -170,24 +145,12 @@ assert-css: (
         "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px",
     },
 )
-move-cursor-to: "#use-system-theme"
-focus: "#use-system-theme"
-assert-css: (
-    "#use-system-theme",
-    {
-        "background-color": "rgba(0, 0, 0, 0)",
-        "border-color": "rgb(33, 150, 243)",
-        "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px",
-    },
-)
 
 // We now switch the display.
-click: "#use-system-theme"
+click: "#theme-system-preference"
 // Wait for the hidden element to show up.
 wait-for: ".setting-line:not(.hidden) #preferred-dark-theme"
 assert: ".setting-line:not(.hidden) #preferred-light-theme"
-// Check that the theme picking is hidden.
-assert: ".setting-line.hidden #theme"
 
 // We check their text as well.
 assert-text: ("#preferred-dark-theme .setting-name", "Preferred dark theme")
diff --git a/src/test/rustdoc-gui/theme-change.goml b/src/test/rustdoc-gui/theme-change.goml
index b1de3c36614..cc47f1f450c 100644
--- a/src/test/rustdoc-gui/theme-change.goml
+++ b/src/test/rustdoc-gui/theme-change.goml
@@ -2,31 +2,66 @@
 goto: "file://" + |DOC_PATH| + "/test_docs/index.html"
 local-storage: {"rustdoc-use-system-theme": "false", "rustdoc-theme": "dark"}
 reload:
+
+store-value: (background_light, "rgb(255, 255, 255)")
+store-value: (background_dark, "rgb(53, 53, 53)")
+store-value: (background_ayu, "rgb(15, 20, 25)")
+
 click: "#settings-menu"
 wait-for: "#theme-ayu"
 click: "#theme-ayu"
 // should be the ayu theme so let's check the color.
-wait-for-css: ("body", { "background-color": "rgb(15, 20, 25)" })
+wait-for-css: ("body", { "background-color": |background_ayu| })
 assert-local-storage: { "rustdoc-theme": "ayu" }
 click: "#theme-light"
 // should be the light theme so let's check the color.
-wait-for-css: ("body", { "background-color": "rgb(255, 255, 255)" })
+wait-for-css: ("body", { "background-color": |background_light| })
 assert-local-storage: { "rustdoc-theme": "light" }
 click: "#theme-dark"
 // Should be the dark theme so let's check the color.
-wait-for-css: ("body", { "background-color": "rgb(53, 53, 53)" })
+wait-for-css: ("body", { "background-color": |background_dark| })
 assert-local-storage: { "rustdoc-theme": "dark" }
 
+local-storage: {
+    "rustdoc-preferred-light-theme": "light",
+    "rustdoc-preferred-dark-theme": "light",
+}
 goto: "file://" + |DOC_PATH| + "/settings.html"
+
 wait-for: "#settings"
 click: "#theme-light"
-wait-for-css: ("body", { "background-color": "rgb(255, 255, 255)" })
+wait-for-css: ("body", { "background-color": |background_light| })
 assert-local-storage: { "rustdoc-theme": "light" }
 
 click: "#theme-dark"
-wait-for-css: ("body", { "background-color": "rgb(53, 53, 53)" })
+wait-for-css: ("body", { "background-color": |background_dark| })
 assert-local-storage: { "rustdoc-theme": "dark" }
 
 click: "#theme-ayu"
-wait-for-css: ("body", { "background-color": "rgb(15, 20, 25)" })
+wait-for-css: ("body", { "background-color": |background_ayu| })
 assert-local-storage: { "rustdoc-theme": "ayu" }
+
+assert-local-storage-false: { "rustdoc-use-system-theme": "true" }
+click: "#theme-system-preference"
+wait-for: ".setting-line:not(.hidden) #preferred-light-theme"
+assert-local-storage: { "rustdoc-use-system-theme": "true" }
+// We click on both preferred light and dark themes to be sure that there is a change.
+click: "#preferred-light-theme-dark"
+click: "#preferred-dark-theme-dark"
+wait-for-css: ("body", { "background-color": |background_dark| })
+
+reload:
+// Ensure that the "preferred themes" are still displayed.
+wait-for: ".setting-line:not(.hidden) #preferred-light-theme"
+click: "#theme-light"
+wait-for-css: ("body", { "background-color": |background_light| })
+assert-local-storage: { "rustdoc-theme": "light" }
+// Ensure it's now hidden again
+wait-for: ".setting-line.hidden #preferred-light-theme"
+// And ensure the theme was rightly set.
+wait-for-css: ("body", { "background-color": |background_light| })
+assert-local-storage: { "rustdoc-theme": "light" }
+
+reload:
+wait-for: "#settings"
+assert: ".setting-line.hidden #preferred-light-theme"
diff --git a/src/test/ui/async-await/in-trait/early-bound-1.rs b/src/test/ui/async-await/in-trait/early-bound-1.rs
new file mode 100644
index 00000000000..6b3b142014b
--- /dev/null
+++ b/src/test/ui/async-await/in-trait/early-bound-1.rs
@@ -0,0 +1,17 @@
+// check-pass
+// edition:2021
+
+#![feature(async_fn_in_trait)]
+#![allow(incomplete_features)]
+
+pub trait Foo {
+    async fn foo(&mut self);
+}
+
+struct MyFoo<'a>(&'a mut ());
+
+impl<'a> Foo for MyFoo<'a> {
+    async fn foo(&mut self) {}
+}
+
+fn main() {}
diff --git a/src/test/ui/async-await/in-trait/early-bound-2.rs b/src/test/ui/async-await/in-trait/early-bound-2.rs
new file mode 100644
index 00000000000..270443229b0
--- /dev/null
+++ b/src/test/ui/async-await/in-trait/early-bound-2.rs
@@ -0,0 +1,15 @@
+// check-pass
+// edition:2021
+
+#![feature(async_fn_in_trait)]
+#![allow(incomplete_features)]
+
+pub trait Foo {
+    async fn foo(&mut self);
+}
+
+impl<T: Foo> Foo for &mut T {
+    async fn foo(&mut self) {}
+}
+
+fn main() {}
diff --git a/src/test/ui/async-await/in-trait/object-safety.rs b/src/test/ui/async-await/in-trait/object-safety.rs
new file mode 100644
index 00000000000..a8bc35f7e0c
--- /dev/null
+++ b/src/test/ui/async-await/in-trait/object-safety.rs
@@ -0,0 +1,13 @@
+// edition:2021
+
+#![feature(async_fn_in_trait)]
+//~^ WARN the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
+
+trait Foo {
+    async fn foo(&self);
+}
+
+fn main() {
+    let x: &dyn Foo = todo!();
+    //~^ ERROR the trait `Foo` cannot be made into an object
+}
diff --git a/src/test/ui/async-await/in-trait/object-safety.stderr b/src/test/ui/async-await/in-trait/object-safety.stderr
new file mode 100644
index 00000000000..0b318f71f39
--- /dev/null
+++ b/src/test/ui/async-await/in-trait/object-safety.stderr
@@ -0,0 +1,27 @@
+warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/object-safety.rs:3:12
+   |
+LL | #![feature(async_fn_in_trait)]
+   |            ^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+error[E0038]: the trait `Foo` cannot be made into an object
+  --> $DIR/object-safety.rs:11:12
+   |
+LL |     let x: &dyn Foo = todo!();
+   |            ^^^^^^^^ `Foo` cannot be made into an object
+   |
+note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
+  --> $DIR/object-safety.rs:7:14
+   |
+LL | trait Foo {
+   |       --- this trait cannot be made into an object...
+LL |     async fn foo(&self);
+   |              ^^^ ...because method `foo` is `async`
+   = help: consider moving `foo` to another trait
+
+error: aborting due to previous error; 1 warning emitted
+
+For more information about this error, try `rustc --explain E0038`.
diff --git a/src/test/ui/async-await/track-caller/panic-track-caller.rs b/src/test/ui/async-await/track-caller/panic-track-caller.rs
new file mode 100644
index 00000000000..b113c56412f
--- /dev/null
+++ b/src/test/ui/async-await/track-caller/panic-track-caller.rs
@@ -0,0 +1,76 @@
+// run-pass
+// edition:2021
+// needs-unwind
+#![feature(closure_track_caller)]
+
+use std::future::Future;
+use std::panic;
+use std::sync::{Arc, Mutex};
+use std::task::{Context, Poll, Wake};
+use std::thread::{self, Thread};
+
+/// A waker that wakes up the current thread when called.
+struct ThreadWaker(Thread);
+
+impl Wake for ThreadWaker {
+    fn wake(self: Arc<Self>) {
+        self.0.unpark();
+    }
+}
+
+/// Run a future to completion on the current thread.
+fn block_on<T>(fut: impl Future<Output = T>) -> T {
+    // Pin the future so it can be polled.
+    let mut fut = Box::pin(fut);
+
+    // Create a new context to be passed to the future.
+    let t = thread::current();
+    let waker = Arc::new(ThreadWaker(t)).into();
+    let mut cx = Context::from_waker(&waker);
+
+    // Run the future to completion.
+    loop {
+        match fut.as_mut().poll(&mut cx) {
+            Poll::Ready(res) => return res,
+            Poll::Pending => thread::park(),
+        }
+    }
+}
+
+async fn bar() {
+    panic!()
+}
+
+async fn foo() {
+    bar().await
+}
+
+#[track_caller]
+async fn bar_track_caller() {
+    panic!()
+}
+
+async fn foo_track_caller() {
+    bar_track_caller().await
+}
+
+fn panicked_at(f: impl FnOnce() + panic::UnwindSafe) -> u32 {
+    let loc = Arc::new(Mutex::new(None));
+
+    let hook = panic::take_hook();
+    {
+        let loc = loc.clone();
+        panic::set_hook(Box::new(move |info| {
+            *loc.lock().unwrap() = info.location().map(|loc| loc.line())
+        }));
+    }
+    panic::catch_unwind(f).unwrap_err();
+    panic::set_hook(hook);
+    let x = loc.lock().unwrap().unwrap();
+    x
+}
+
+fn main() {
+    assert_eq!(panicked_at(|| block_on(foo())), 41);
+    assert_eq!(panicked_at(|| block_on(foo_track_caller())), 54);
+}
diff --git a/src/test/ui/consts/const-eval/issue-104390.rs b/src/test/ui/consts/const-eval/issue-104390.rs
new file mode 100644
index 00000000000..602d818245a
--- /dev/null
+++ b/src/test/ui/consts/const-eval/issue-104390.rs
@@ -0,0 +1,10 @@
+fn f1() -> impl Sized { & 2E } //~ ERROR expected at least one digit in exponent
+fn f2() -> impl Sized { && 2E } //~ ERROR expected at least one digit in exponent
+fn f3() -> impl Sized { &'a 2E } //~ ERROR expected at least one digit in exponent
+//~^ ERROR borrow expressions cannot be annotated with lifetimes
+fn f4() -> impl Sized { &'static 2E } //~ ERROR expected at least one digit in exponent
+//~^ ERROR borrow expressions cannot be annotated with lifetimes
+fn f5() -> impl Sized { *& 2E } //~ ERROR expected at least one digit in exponent
+fn f6() -> impl Sized { &'_ 2E } //~ ERROR expected at least one digit in exponent
+//~^ ERROR borrow expressions cannot be annotated with lifetimes
+fn main() {}
diff --git a/src/test/ui/consts/const-eval/issue-104390.stderr b/src/test/ui/consts/const-eval/issue-104390.stderr
new file mode 100644
index 00000000000..865b9996ea3
--- /dev/null
+++ b/src/test/ui/consts/const-eval/issue-104390.stderr
@@ -0,0 +1,65 @@
+error: expected at least one digit in exponent
+  --> $DIR/issue-104390.rs:1:27
+   |
+LL | fn f1() -> impl Sized { & 2E }
+   |                           ^^
+
+error: expected at least one digit in exponent
+  --> $DIR/issue-104390.rs:2:28
+   |
+LL | fn f2() -> impl Sized { && 2E }
+   |                            ^^
+
+error: expected at least one digit in exponent
+  --> $DIR/issue-104390.rs:3:29
+   |
+LL | fn f3() -> impl Sized { &'a 2E }
+   |                             ^^
+
+error: expected at least one digit in exponent
+  --> $DIR/issue-104390.rs:5:34
+   |
+LL | fn f4() -> impl Sized { &'static 2E }
+   |                                  ^^
+
+error: expected at least one digit in exponent
+  --> $DIR/issue-104390.rs:7:28
+   |
+LL | fn f5() -> impl Sized { *& 2E }
+   |                            ^^
+
+error: expected at least one digit in exponent
+  --> $DIR/issue-104390.rs:8:29
+   |
+LL | fn f6() -> impl Sized { &'_ 2E }
+   |                             ^^
+
+error: borrow expressions cannot be annotated with lifetimes
+  --> $DIR/issue-104390.rs:3:25
+   |
+LL | fn f3() -> impl Sized { &'a 2E }
+   |                         ^--^^^
+   |                          |
+   |                          annotated with lifetime here
+   |                          help: remove the lifetime annotation
+
+error: borrow expressions cannot be annotated with lifetimes
+  --> $DIR/issue-104390.rs:5:25
+   |
+LL | fn f4() -> impl Sized { &'static 2E }
+   |                         ^-------^^^
+   |                          |
+   |                          annotated with lifetime here
+   |                          help: remove the lifetime annotation
+
+error: borrow expressions cannot be annotated with lifetimes
+  --> $DIR/issue-104390.rs:8:25
+   |
+LL | fn f6() -> impl Sized { &'_ 2E }
+   |                         ^--^^^
+   |                          |
+   |                          annotated with lifetime here
+   |                          help: remove the lifetime annotation
+
+error: aborting due to 9 previous errors
+
diff --git a/src/test/ui/dyn-star/return.rs b/src/test/ui/dyn-star/return.rs
new file mode 100644
index 00000000000..fa3d8d7d506
--- /dev/null
+++ b/src/test/ui/dyn-star/return.rs
@@ -0,0 +1,10 @@
+// check-pass
+
+#![feature(dyn_star)]
+//~^ WARN the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes
+
+fn _foo() -> dyn* Unpin {
+    4usize
+}
+
+fn main() {}
diff --git a/src/test/ui/dyn-star/return.stderr b/src/test/ui/dyn-star/return.stderr
new file mode 100644
index 00000000000..e000351a68f
--- /dev/null
+++ b/src/test/ui/dyn-star/return.stderr
@@ -0,0 +1,11 @@
+warning: the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/return.rs:3:12
+   |
+LL | #![feature(dyn_star)]
+   |            ^^^^^^^^
+   |
+   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+warning: 1 warning emitted
+
diff --git a/src/test/ui/impl-trait/in-trait/object-safety.stderr b/src/test/ui/impl-trait/in-trait/object-safety.stderr
index 9a1554b5e1c..ca0e760ff6d 100644
--- a/src/test/ui/impl-trait/in-trait/object-safety.stderr
+++ b/src/test/ui/impl-trait/in-trait/object-safety.stderr
@@ -5,12 +5,12 @@ LL |     let i = Box::new(42_u32) as Box<dyn Foo>;
    |                                 ^^^^^^^^^^^^ `Foo` cannot be made into an object
    |
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
-  --> $DIR/object-safety.rs:7:8
+  --> $DIR/object-safety.rs:7:22
    |
 LL | trait Foo {
    |       --- this trait cannot be made into an object...
 LL |     fn baz(&self) -> impl Debug;
-   |        ^^^ ...because method `baz` references an `impl Trait` type in its return type
+   |                      ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type
    = help: consider moving `baz` to another trait
 
 error[E0038]: the trait `Foo` cannot be made into an object
@@ -20,12 +20,12 @@ LL |     let s = i.baz();
    |             ^^^^^^^ `Foo` cannot be made into an object
    |
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
-  --> $DIR/object-safety.rs:7:8
+  --> $DIR/object-safety.rs:7:22
    |
 LL | trait Foo {
    |       --- this trait cannot be made into an object...
 LL |     fn baz(&self) -> impl Debug;
-   |        ^^^ ...because method `baz` references an `impl Trait` type in its return type
+   |                      ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type
    = help: consider moving `baz` to another trait
 
 error[E0038]: the trait `Foo` cannot be made into an object
@@ -35,12 +35,12 @@ LL |     let i = Box::new(42_u32) as Box<dyn Foo>;
    |             ^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object
    |
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
-  --> $DIR/object-safety.rs:7:8
+  --> $DIR/object-safety.rs:7:22
    |
 LL | trait Foo {
    |       --- this trait cannot be made into an object...
 LL |     fn baz(&self) -> impl Debug;
-   |        ^^^ ...because method `baz` references an `impl Trait` type in its return type
+   |                      ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type
    = help: consider moving `baz` to another trait
    = note: required for `Box<u32>` to implement `CoerceUnsized<Box<dyn Foo>>`
    = note: required by cast to type `Box<dyn Foo>`
diff --git a/src/test/ui/lint/issue-104392.rs b/src/test/ui/lint/issue-104392.rs
new file mode 100644
index 00000000000..d5608edb46f
--- /dev/null
+++ b/src/test/ui/lint/issue-104392.rs
@@ -0,0 +1,11 @@
+fn main() {
+    { unsafe 92 } //~ ERROR expected `{`, found `92`
+}
+
+fn foo() {
+    { mod 92 } //~ ERROR expected identifier, found `92`
+}
+
+fn bar() {
+    { trait 92 } //~ ERROR expected identifier, found `92`
+}
diff --git a/src/test/ui/lint/issue-104392.stderr b/src/test/ui/lint/issue-104392.stderr
new file mode 100644
index 00000000000..8e466439ae6
--- /dev/null
+++ b/src/test/ui/lint/issue-104392.stderr
@@ -0,0 +1,27 @@
+error: expected `{`, found `92`
+  --> $DIR/issue-104392.rs:2:14
+   |
+LL |     { unsafe 92 }
+   |       ------ ^^ expected `{`
+   |       |
+   |       while parsing this `unsafe` expression
+   |
+help: try placing this code inside a block
+   |
+LL |     { unsafe { 92 } }
+   |              +    +
+
+error: expected identifier, found `92`
+  --> $DIR/issue-104392.rs:6:11
+   |
+LL |     { mod 92 }
+   |           ^^ expected identifier
+
+error: expected identifier, found `92`
+  --> $DIR/issue-104392.rs:10:13
+   |
+LL |     { trait 92 }
+   |             ^^ expected identifier
+
+error: aborting due to 3 previous errors
+
diff --git a/src/test/ui/typeck/issue-103899.rs b/src/test/ui/typeck/issue-103899.rs
index 9d5341dab42..ac9e4c71696 100644
--- a/src/test/ui/typeck/issue-103899.rs
+++ b/src/test/ui/typeck/issue-103899.rs
@@ -1,9 +1,6 @@
 // check-fail
 // failure-status: 101
-// normalize-stderr-test "note: .*" -> ""
-// normalize-stderr-test "thread 'rustc' .*" -> ""
-// normalize-stderr-test " .*\n" -> ""
-// normalize-stderr-test "  .*\n" -> ""
+// dont-check-compiler-stderr
 // known-bug: #103899
 
 trait BaseWithAssoc {
diff --git a/src/test/ui/typeck/issue-103899.stderr b/src/test/ui/typeck/issue-103899.stderr
deleted file mode 100644
index 836c6ee486f..00000000000
--- a/src/test/ui/typeck/issue-103899.stderr
+++ /dev/null
@@ -1,12 +0,0 @@
-
-stack
-error:
-
-
-
-
-
-
-
-
-query#0#1end
\ No newline at end of file
diff --git a/src/test/ui/typeck/issue-104510-ice.rs b/src/test/ui/typeck/issue-104510-ice.rs
new file mode 100644
index 00000000000..157bdf07e38
--- /dev/null
+++ b/src/test/ui/typeck/issue-104510-ice.rs
@@ -0,0 +1,16 @@
+// needs-asm-support
+// only-x86_64
+
+struct W<T: ?Sized>(Oops);
+//~^ ERROR cannot find type `Oops` in this scope
+
+unsafe fn test() {
+    let j = W(());
+    let pointer = &j as *const _;
+    core::arch::asm!(
+        "nop",
+        in("eax") pointer,
+    );
+}
+
+fn main() {}
diff --git a/src/test/ui/typeck/issue-104510-ice.stderr b/src/test/ui/typeck/issue-104510-ice.stderr
new file mode 100644
index 00000000000..ddb510ef047
--- /dev/null
+++ b/src/test/ui/typeck/issue-104510-ice.stderr
@@ -0,0 +1,9 @@
+error[E0412]: cannot find type `Oops` in this scope
+  --> $DIR/issue-104510-ice.rs:4:21
+   |
+LL | struct W<T: ?Sized>(Oops);
+   |                     ^^^^ not found in this scope
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0412`.
diff --git a/src/tools/clippy/clippy_lints/src/dereference.rs b/src/tools/clippy/clippy_lints/src/dereference.rs
index a37ee82d4c8..218dbeaddca 100644
--- a/src/tools/clippy/clippy_lints/src/dereference.rs
+++ b/src/tools/clippy/clippy_lints/src/dereference.rs
@@ -1156,7 +1156,7 @@ fn needless_borrow_impl_arg_position<'tcx>(
             }
 
             let predicate = EarlyBinder(predicate).subst(cx.tcx, &substs_with_referent_ty);
-            let obligation = Obligation::new(ObligationCause::dummy(), cx.param_env, predicate);
+            let obligation = Obligation::new(cx.tcx, ObligationCause::dummy(), cx.param_env, predicate);
             let infcx = cx.tcx.infer_ctxt().build();
             infcx.predicate_must_hold_modulo_regions(&obligation)
         })
diff --git a/src/tools/clippy/clippy_lints/src/manual_async_fn.rs b/src/tools/clippy/clippy_lints/src/manual_async_fn.rs
index 090f9f8ff73..5c6a342b3d0 100644
--- a/src/tools/clippy/clippy_lints/src/manual_async_fn.rs
+++ b/src/tools/clippy/clippy_lints/src/manual_async_fn.rs
@@ -6,7 +6,7 @@ use rustc_errors::Applicability;
 use rustc_hir::intravisit::FnKind;
 use rustc_hir::{
     AsyncGeneratorKind, Block, Body, Closure, Expr, ExprKind, FnDecl, FnRetTy, GeneratorKind, GenericArg, GenericBound,
-    HirId, IsAsync, ItemKind, LifetimeName, Term, TraitRef, Ty, TyKind, TypeBindingKind,
+    HirId, ItemKind, LifetimeName, Term, TraitRef, Ty, TyKind, TypeBindingKind,
 };
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::{declare_lint_pass, declare_tool_lint};
@@ -49,7 +49,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualAsyncFn {
     ) {
         if_chain! {
             if let Some(header) = kind.header();
-            if header.asyncness == IsAsync::NotAsync;
+            if !header.asyncness.is_async();
             // Check that this function returns `impl Future`
             if let FnRetTy::Return(ret_ty) = decl.output;
             if let Some((trait_ref, output_lifetimes)) = future_trait_ref(cx, ret_ty);
diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs
index 642a64ae77b..c7775313ecd 100644
--- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs
@@ -419,7 +419,7 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty<
 
                         if trait_predicates.any(|predicate| {
                             let predicate = EarlyBinder(predicate).subst(cx.tcx, new_subst);
-                            let obligation = Obligation::new(ObligationCause::dummy(), cx.param_env, predicate);
+                            let obligation = Obligation::new(cx.tcx, ObligationCause::dummy(), cx.param_env, predicate);
                             !cx.tcx.infer_ctxt().build().predicate_must_hold_modulo_regions(&obligation)
                         }) {
                             return false;
diff --git a/src/tools/clippy/clippy_lints/src/ptr.rs b/src/tools/clippy/clippy_lints/src/ptr.rs
index 0d74c90a834..c8c6f32c6c9 100644
--- a/src/tools/clippy/clippy_lints/src/ptr.rs
+++ b/src/tools/clippy/clippy_lints/src/ptr.rs
@@ -695,6 +695,7 @@ fn matches_preds<'tcx>(
             .type_implements_trait(p.def_id, ty, p.substs, cx.param_env)
             .must_apply_modulo_regions(),
         ExistentialPredicate::Projection(p) => infcx.predicate_must_hold_modulo_regions(&Obligation::new(
+            cx.tcx,
             ObligationCause::dummy(),
             cx.param_env,
             cx.tcx.mk_predicate(Binder::bind_with_vars(
diff --git a/src/tools/clippy/clippy_lints/src/unused_async.rs b/src/tools/clippy/clippy_lints/src/unused_async.rs
index bf487c7ca20..3538bef6e06 100644
--- a/src/tools/clippy/clippy_lints/src/unused_async.rs
+++ b/src/tools/clippy/clippy_lints/src/unused_async.rs
@@ -1,6 +1,6 @@
 use clippy_utils::diagnostics::span_lint_and_help;
 use rustc_hir::intravisit::{walk_expr, walk_fn, FnKind, Visitor};
-use rustc_hir::{Body, Expr, ExprKind, FnDecl, HirId, IsAsync, YieldSource};
+use rustc_hir::{Body, Expr, ExprKind, FnDecl, HirId, YieldSource};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::hir::nested_filter;
 use rustc_session::{declare_lint_pass, declare_tool_lint};
@@ -68,7 +68,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedAsync {
         span: Span,
         hir_id: HirId,
     ) {
-        if !span.from_expansion() && fn_kind.asyncness() == IsAsync::Async {
+        if !span.from_expansion() && fn_kind.asyncness().is_async() {
             let mut visitor = AsyncFnVisitor { cx, found_await: false };
             walk_fn(&mut visitor, fn_kind, fn_decl, body.id(), hir_id);
             if !visitor.found_await {
diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs
index d32cf1a7936..bb91317d67f 100644
--- a/src/tools/clippy/clippy_utils/src/lib.rs
+++ b/src/tools/clippy/clippy_utils/src/lib.rs
@@ -87,10 +87,10 @@ use rustc_hir::hir_id::{HirIdMap, HirIdSet};
 use rustc_hir::intravisit::{walk_expr, FnKind, Visitor};
 use rustc_hir::LangItem::{OptionNone, ResultErr, ResultOk};
 use rustc_hir::{
-    def, Arm, ArrayLen, BindingAnnotation, Block, BlockCheckMode, Body, Closure, Constness, Destination, Expr,
-    ExprKind, FnDecl, HirId, Impl, ImplItem, ImplItemKind, IsAsync, Item, ItemKind, LangItem, Local, MatchSource,
-    Mutability, Node, Param, Pat, PatKind, Path, PathSegment, PrimTy, QPath, Stmt, StmtKind, TraitItem, TraitItemKind,
-    TraitRef, TyKind, UnOp,
+    def, Arm, ArrayLen, BindingAnnotation, Block, BlockCheckMode, Body, Closure, Constness,
+    Destination, Expr, ExprKind, FnDecl, HirId, Impl, ImplItem, ImplItemKind, Item, ItemKind,
+    LangItem, Local, MatchSource, Mutability, Node, Param, Pat, PatKind, Path, PathSegment, PrimTy,
+    QPath, Stmt, StmtKind, TraitItem, TraitItemKind, TraitRef, TyKind, UnOp,
 };
 use rustc_lexer::{tokenize, TokenKind};
 use rustc_lint::{LateContext, Level, Lint, LintContext};
@@ -1861,7 +1861,7 @@ pub fn if_sequence<'tcx>(mut expr: &'tcx Expr<'tcx>) -> (Vec<&'tcx Expr<'tcx>>,
 
 /// Checks if the given function kind is an async function.
 pub fn is_async_fn(kind: FnKind<'_>) -> bool {
-    matches!(kind, FnKind::ItemFn(_, _, header) if header.asyncness == IsAsync::Async)
+    matches!(kind, FnKind::ItemFn(_, _, header) if header.asyncness.is_async())
 }
 
 /// Peels away all the compiler generated code surrounding the body of an async function,
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index 8d8ca101cd0..ebce0283fba 100644
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -2987,6 +2987,10 @@ impl<'test> TestCx<'test> {
             cmd.env("LLVM_BIN_DIR", llvm_bin_dir);
         }
 
+        if let Some(ref remote_test_client) = self.config.remote_test_client {
+            cmd.env("REMOTE_TEST_CLIENT", remote_test_client);
+        }
+
         // We don't want RUSTFLAGS set from the outside to interfere with
         // compiler flags set in the test cases:
         cmd.env_remove("RUSTFLAGS");