[clang] [llvm] [NVPTX] Fix for device function pointer having the same name as generated callprototype (PR #205639)

[Alex MacLean via cfe-commits]

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@@ -4,7 +4,8 @@
 target triple = "nvptx"
 
 define void @foo(ptr %ptr) {
-; CHECK: prototype_0 : .callprototype ()_ ()
+; CHECK: $L__prototype_0:
+; CHECK-NEXT: ()_ ()
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AlexMaclean wrote:

Nit: keep `.callprototype`?

https://github.com/llvm/llvm-project/pull/205639