Auto merge of #125164 - fmease:rollup-s5vwzlg, r=fmease

Rollup of 5 pull requests

Successful merges:

 - #125003 (avoid using aligned_alloc; posix_memalign is better-behaved)
 - #125142 (Migrate `run-make/rustdoc-themes` to new rmake.rs)
 - #125146 (Migrate `run-make/panic-impl-transitive` to `rmake`)
 - #125154 (Small improvements to the documentaion of FnAbi )
 - #125159 (Meta: Allow unauthenticated users to modify `L-*`, `PG-*` and `-Z*` labels)

r? `@ghost`
`@rustbot` modify labels: rollup

5 files changed, 52 insertions, 26 deletions

diff --git a/tests/run-make/panic-impl-transitive/Makefile b/tests/run-make/panic-impl-transitive/Makefile
deleted file mode 100644
index 9a271a22e10..00000000000
--- a/tests/run-make/panic-impl-transitive/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-include ../tools.mk
-
-# NOTE we use --emit=llvm-ir to avoid running the linker (linking will fail because there's no main
-# in this crate)
-all:
-	$(RUSTC) panic-impl-provider.rs
-	$(RUSTC) panic-impl-consumer.rs -C panic=abort --emit=llvm-ir -L $(TMPDIR)
diff --git a/tests/run-make/panic-impl-transitive/rmake.rs b/tests/run-make/panic-impl-transitive/rmake.rs
new file mode 100644
index 00000000000..86308f593b3
--- /dev/null
+++ b/tests/run-make/panic-impl-transitive/rmake.rs
@@ -0,0 +1,19 @@
+// In Rust programs where the standard library is unavailable (#![no_std]), we may be interested
+// in customizing how panics are handled. Here, the provider specifies that panics should be handled
+// by entering an infinite loop. This test checks that this panic implementation can be transitively
+// provided by an external crate.
+// --emit=llvm-ir is used to avoid running the linker, as linking will fail due to the lack of main
+// function in the crate.
+// See https://github.com/rust-lang/rust/pull/50338
+
+use run_make_support::{rustc, tmp_dir};
+
+fn main() {
+    rustc().input("panic-impl-provider.rs").run();
+    rustc()
+        .input("panic-impl-consumer.rs")
+        .panic("abort")
+        .emit("llvm-ir")
+        .library_search_path(tmp_dir())
+        .run();
+}
diff --git a/tests/run-make/rustdoc-scrape-examples-ordering/rmake.rs b/tests/run-make/rustdoc-scrape-examples-ordering/rmake.rs
index edcf3406d47..08ca9ce5de8 100644
--- a/tests/run-make/rustdoc-scrape-examples-ordering/rmake.rs
+++ b/tests/run-make/rustdoc-scrape-examples-ordering/rmake.rs
@@ -1,4 +1,4 @@
-use run_make_support::{python_command, rustc, rustdoc, source_path, tmp_dir};
+use run_make_support::{htmldocck, rustc, rustdoc, source_path, tmp_dir};
 use std::fs::read_dir;
 use std::path::Path;
 
@@ -45,11 +45,5 @@ fn main() {
     }
     rustdoc.run();
 
-    python_command()
-        .arg(source_path().join("/src/etc/htmldocck.py"))
-        .arg(out_dir)
-        .arg("src/lib.rs")
-        .status()
-        .unwrap()
-        .success();
+    htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success();
 }
diff --git a/tests/run-make/rustdoc-themes/Makefile b/tests/run-make/rustdoc-themes/Makefile
deleted file mode 100644
index a4980eb0b3e..00000000000
--- a/tests/run-make/rustdoc-themes/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-include ../tools.mk
-
-# Test that rustdoc will properly load in a theme file and display it in the theme selector.
-
-OUTPUT_DIR := "$(TMPDIR)/rustdoc-themes"
-
-all:
-	awk '/Begin theme: light/ {in_theme=1;next} /End theme:/ {in_theme=0} { if (in_theme) print }' \
-		< '$(S)/src/librustdoc/html/static/css/noscript.css' > '$(TMPDIR)/test.css'
-	$(RUSTDOC) -o $(OUTPUT_DIR) foo.rs --theme $(TMPDIR)/test.css
-	$(HTMLDOCCK) $(OUTPUT_DIR) foo.rs
diff --git a/tests/run-make/rustdoc-themes/rmake.rs b/tests/run-make/rustdoc-themes/rmake.rs
new file mode 100644
index 00000000000..1d7dfe6bb2a
--- /dev/null
+++ b/tests/run-make/rustdoc-themes/rmake.rs
@@ -0,0 +1,31 @@
+// Test that rustdoc will properly load in a theme file and display it in the theme selector.
+
+use run_make_support::{htmldocck, rustdoc, source_path, tmp_dir};
+
+fn main() {
+    let out_dir = tmp_dir().join("rustdoc-themes");
+    let test_css = out_dir.join("test.css");
+
+    let no_script =
+        std::fs::read_to_string(source_path().join("src/librustdoc/html/static/css/noscript.css"))
+            .unwrap();
+
+    let mut test_content = String::new();
+    let mut found_begin_light = false;
+    for line in no_script.split('\n') {
+        if line == "/* Begin theme: light */" {
+            found_begin_light = true;
+        } else if line == "/* End theme: light */" {
+            break;
+        } else if found_begin_light {
+            test_content.push_str(line);
+            test_content.push('\n');
+        }
+    }
+    assert!(!test_content.is_empty());
+    std::fs::create_dir_all(&out_dir).unwrap();
+    std::fs::write(&test_css, test_content).unwrap();
+
+    rustdoc().output(&out_dir).input("foo.rs").arg("--theme").arg(&test_css).run();
+    htmldocck().arg(out_dir).arg("foo.rs").status().unwrap().success();
+}