Auto merge of #121914 - Nadrieril:rollup-ol98ncg, r=Nadrieril

Rollup of 5 pull requests

Successful merges:

 - #120761 (Add initial support for DataFlowSanitizer)
 - #121622 (Preserve same vtable pointer when cloning raw waker, to fix Waker::will_wake)
 - #121716 (match lowering: Lower bindings in a predictable order)
 - #121731 (Now that inlining, mir validation and const eval all use reveal-all, we won't be constraining hidden types here anymore)
 - #121841 (`f16` and `f128` step 2: intrinsics)

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

6 files changed, 18 insertions, 0 deletions

diff --git a/src/tools/clippy/clippy_lints/src/approx_const.rs b/src/tools/clippy/clippy_lints/src/approx_const.rs
index 409ae0c85ac..25606f4253e 100644
--- a/src/tools/clippy/clippy_lints/src/approx_const.rs
+++ b/src/tools/clippy/clippy_lints/src/approx_const.rs
@@ -75,9 +75,12 @@ impl ApproxConstant {
     fn check_lit(&self, cx: &LateContext<'_>, lit: &LitKind, e: &Expr<'_>) {
         match *lit {
             LitKind::Float(s, LitFloatType::Suffixed(fty)) => match fty {
+                FloatTy::F16 => self.check_known_consts(cx, e, s, "f16"),
                 FloatTy::F32 => self.check_known_consts(cx, e, s, "f32"),
                 FloatTy::F64 => self.check_known_consts(cx, e, s, "f64"),
+                FloatTy::F128 => self.check_known_consts(cx, e, s, "f128"),
             },
+            // FIXME(f16_f128): add `f16` and `f128` when these types become stable.
             LitKind::Float(s, LitFloatType::Unsuffixed) => self.check_known_consts(cx, e, s, "f{32, 64}"),
             _ => (),
         }
diff --git a/src/tools/clippy/clippy_lints/src/float_literal.rs b/src/tools/clippy/clippy_lints/src/float_literal.rs
index cffca952e47..07fbb1cb5c9 100644
--- a/src/tools/clippy/clippy_lints/src/float_literal.rs
+++ b/src/tools/clippy/clippy_lints/src/float_literal.rs
@@ -76,8 +76,10 @@ impl<'tcx> LateLintPass<'tcx> for FloatLiteral {
             let digits = count_digits(sym_str);
             let max = max_digits(fty);
             let type_suffix = match lit_float_ty {
+                LitFloatType::Suffixed(ast::FloatTy::F16) => Some("f16"),
                 LitFloatType::Suffixed(ast::FloatTy::F32) => Some("f32"),
                 LitFloatType::Suffixed(ast::FloatTy::F64) => Some("f64"),
+                LitFloatType::Suffixed(ast::FloatTy::F128) => Some("f128"),
                 LitFloatType::Unsuffixed => None,
             };
             let (is_whole, is_inf, mut float_str) = match fty {
diff --git a/src/tools/clippy/clippy_utils/src/consts.rs b/src/tools/clippy/clippy_utils/src/consts.rs
index 1f2b2d54efd..07ed4fbbf8e 100644
--- a/src/tools/clippy/clippy_utils/src/consts.rs
+++ b/src/tools/clippy/clippy_utils/src/consts.rs
@@ -277,12 +277,16 @@ pub fn lit_to_mir_constant<'tcx>(lit: &LitKind, ty: Option<Ty<'tcx>>) -> Constan
         LitKind::Char(c) => Constant::Char(c),
         LitKind::Int(n, _) => Constant::Int(n.get()),
         LitKind::Float(ref is, LitFloatType::Suffixed(fty)) => match fty {
+            ast::FloatTy::F16 => unimplemented!("f16_f128"),
             ast::FloatTy::F32 => Constant::F32(is.as_str().parse().unwrap()),
             ast::FloatTy::F64 => Constant::F64(is.as_str().parse().unwrap()),
+            ast::FloatTy::F128 => unimplemented!("f16_f128"),
         },
         LitKind::Float(ref is, LitFloatType::Unsuffixed) => match ty.expect("type of float is known").kind() {
+            ty::Float(FloatTy::F16) => unimplemented!("f16_f128"),
             ty::Float(FloatTy::F32) => Constant::F32(is.as_str().parse().unwrap()),
             ty::Float(FloatTy::F64) => Constant::F64(is.as_str().parse().unwrap()),
+            ty::Float(FloatTy::F128) => unimplemented!("f16_f128"),
             _ => bug!(),
         },
         LitKind::Bool(b) => Constant::Bool(b),
diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs
index 49f1226e2cc..bfe6c959e7c 100644
--- a/src/tools/compiletest/src/common.rs
+++ b/src/tools/compiletest/src/common.rs
@@ -156,6 +156,7 @@ impl PanicStrategy {
 pub enum Sanitizer {
     Address,
     Cfi,
+    Dataflow,
     Kcfi,
     KernelAddress,
     Leak,
diff --git a/src/tools/compiletest/src/header/needs.rs b/src/tools/compiletest/src/header/needs.rs
index 9b22b2112a8..39786588150 100644
--- a/src/tools/compiletest/src/header/needs.rs
+++ b/src/tools/compiletest/src/header/needs.rs
@@ -30,6 +30,11 @@ pub(super) fn handle_needs(
             ignore_reason: "ignored on targets without CFI sanitizer",
         },
         Need {
+            name: "needs-sanitizer-dataflow",
+            condition: cache.sanitizer_dataflow,
+            ignore_reason: "ignored on targets without dataflow sanitizer",
+        },
+        Need {
             name: "needs-sanitizer-kcfi",
             condition: cache.sanitizer_kcfi,
             ignore_reason: "ignored on targets without kernel CFI sanitizer",
@@ -190,6 +195,7 @@ pub(super) struct CachedNeedsConditions {
     sanitizer_support: bool,
     sanitizer_address: bool,
     sanitizer_cfi: bool,
+    sanitizer_dataflow: bool,
     sanitizer_kcfi: bool,
     sanitizer_kasan: bool,
     sanitizer_leak: bool,
@@ -229,6 +235,7 @@ impl CachedNeedsConditions {
             sanitizer_support: std::env::var_os("RUSTC_SANITIZER_SUPPORT").is_some(),
             sanitizer_address: sanitizers.contains(&Sanitizer::Address),
             sanitizer_cfi: sanitizers.contains(&Sanitizer::Cfi),
+            sanitizer_dataflow: sanitizers.contains(&Sanitizer::Dataflow),
             sanitizer_kcfi: sanitizers.contains(&Sanitizer::Kcfi),
             sanitizer_kasan: sanitizers.contains(&Sanitizer::KernelAddress),
             sanitizer_leak: sanitizers.contains(&Sanitizer::Leak),
diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs
index 920fe16a9fc..8899a55b2df 100644
--- a/src/tools/tidy/src/ui_tests.rs
+++ b/src/tools/tidy/src/ui_tests.rs
@@ -43,6 +43,7 @@ const EXTENSION_EXCEPTION_PATHS: &[&str] = &[
     "tests/ui/macros/syntax-extension-source-utils-files/includeme.fragment", // more include
     "tests/ui/proc-macro/auxiliary/included-file.txt", // more include
     "tests/ui/invalid/foo.natvis.xml", // sample debugger visualizer
+    "tests/ui/sanitizer/dataflow-abilist.txt", // dataflow sanitizer ABI list file
     "tests/ui/shell-argfiles/shell-argfiles.args", // passing args via a file
     "tests/ui/shell-argfiles/shell-argfiles-badquotes.args", // passing args via a file
     "tests/ui/shell-argfiles/shell-argfiles-via-argfile-shell.args", // passing args via a file