Auto merge of #94024 - matthiaskrgr:rollup-0hwxm0w, r=matthiaskrgr

Rollup of 5 pull requests

Successful merges:

 - #93899 (Describe VecDeque with more consistent names)
 - #93949 (Add basic platform support to library/{panic_}unwind for m68k)
 - #93999 (suggest using raw strings when invalid escapes appear in literals)
 - #94001 (llvm: migrate to new parameter-bearing uwtable attr)
 - #94014 (Move transmute_undefined_repr back to nursery)

Failed merges:

 - #94020 (Support pretty printing of invalid constants)

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

1 files changed, 6 insertions, 3 deletions

diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs
index 2472789601e..30a52d6bd67 100644
--- a/compiler/rustc_codegen_llvm/src/attributes.rs
+++ b/compiler/rustc_codegen_llvm/src/attributes.rs
@@ -59,8 +59,11 @@ pub fn sanitize<'ll>(cx: &CodegenCx<'ll, '_>, no_sanitize: SanitizerSet, llfn: &
 
 /// Tell LLVM to emit or not emit the information necessary to unwind the stack for the function.
 #[inline]
-pub fn emit_uwtable(val: &Value, emit: bool) {
-    Attribute::UWTable.toggle_llfn(Function, val, emit);
+pub fn emit_uwtable(val: &Value) {
+    // NOTE: We should determine if we even need async unwind tables, as they
+    // take have more overhead and if we can use sync unwind tables we
+    // probably should.
+    llvm::EmitUWTableAttr(val, true);
 }
 
 /// Tell LLVM if this function should be 'naked', i.e., skip the epilogue and prologue.
@@ -275,7 +278,7 @@ pub fn from_fn_attrs<'ll, 'tcx>(
     // You can also find more info on why Windows always requires uwtables here:
     //      https://bugzilla.mozilla.org/show_bug.cgi?id=1302078
     if cx.sess().must_emit_unwind_tables() {
-        attributes::emit_uwtable(llfn, true);
+        attributes::emit_uwtable(llfn);
     }
 
     if cx.sess().opts.debugging_opts.profile_sample_use.is_some() {