[clang] [clang][CodeGen] Return RValue from `EmitVAArg` (PR #94635)

[Eli Friedman via cfe-commits]

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@@ -834,5 +834,4 @@ typedef struct {} empty;
 empty empty_record_test(void) {
 // CHECK-LABEL: define{{.*}} void @empty_record_test()
   return va_arg(the_list, empty);
-// CHECK: [[GR_OFFS:%[a-z_0-9]+]] = load ptr, ptr @the_list
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efriedma-quic wrote:

Maybe should check something here?  Something like `// CHECK: call void @llvm.va_start  // CHECK-NEXT: ret void`.

https://github.com/llvm/llvm-project/pull/94635