Auto merge of #95944 - Dylan-DPC:rollup-idggkrh, r=Dylan-DPC

Rollup of 7 pull requests

Successful merges:

 - #95008 ([`let_chains`] Forbid `let` inside parentheses)
 - #95801 (Replace RwLock by a futex based one on Linux)
 - #95864 (Fix miscompilation of inline assembly with outputs in cases where we emit an invoke instead of call instruction.)
 - #95894 (Fix formatting error in pin.rs docs)
 - #95895 (Clarify str::from_utf8_unchecked's invariants)
 - #95901 (Remove duplicate aliases for `check codegen_{cranelift,gcc}` and fix `build codegen_gcc`)
 - #95927 (CI: do not compile libcore twice when performing LLVM PGO)

Failed merges:

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

1 files changed, 15 insertions, 2 deletions

diff --git a/src/test/codegen/asm-may_unwind.rs b/src/test/codegen/asm-may_unwind.rs
index 3b34d79c3a9..bf4202764a7 100644
--- a/src/test/codegen/asm-may_unwind.rs
+++ b/src/test/codegen/asm-may_unwind.rs
@@ -18,10 +18,23 @@ impl Drop for Foo {
     }
 }
 
-// CHECK-LABEL: @may_unwind
+// CHECK-LABEL: @asm_may_unwind
 #[no_mangle]
-pub unsafe fn may_unwind() {
+pub unsafe fn asm_may_unwind() {
     let _m = Foo;
     // CHECK: invoke void asm sideeffect alignstack inteldialect unwind ""
     asm!("", options(may_unwind));
 }
+
+// CHECK-LABEL: @asm_with_result_may_unwind
+#[no_mangle]
+pub unsafe fn asm_with_result_may_unwind() -> u64 {
+    let _m = Foo;
+    let res: u64;
+    // CHECK: [[RES:%[0-9]+]] = invoke i64 asm sideeffect alignstack inteldialect unwind
+    // CHECK-NEXT: to label %[[NORMALBB:[a-b0-9]+]]
+    asm!("mov {}, 1", out(reg) res, options(may_unwind));
+    // CHECK: [[NORMALBB]]:
+    // CHECK: ret i64 [[RES:%[0-9]+]]
+    res
+}