[clang] [OpenACC][CIR] 'bind' lowering with identifier (PR #171749)

[Andy Kaylor via cfe-commits]

================
@@ -1721,6 +1721,70 @@ static std::string getMangledNameImpl(CIRGenModule &cgm, GlobalDecl gd,
   return std::string(out.str());
 }
 
+static FunctionDecl *
+createOpenACCBindTempFunction(ASTContext &ctx, const IdentifierInfo *bindName,
+                              const FunctionDecl *protoFunc) {
+  // If this is a C no-prototype function, we can take the 'easy' way out and
+  // just create a function with no arguments/functions, etc.
+  if (!protoFunc->hasPrototype())
+    return FunctionDecl::Create(
+        ctx, /*DC=*/ctx.getTranslationUnitDecl(),
+        /*StartLoc=*/SourceLocation{}, /*NLoc=*/SourceLocation{}, bindName,
+        protoFunc->getType(), /*TInfo=*/nullptr, StorageClass::SC_None);
+
+  QualType funcTy = protoFunc->getType();
+  auto *FPT = cast<FunctionProtoType>(protoFunc->getType());
----------------
andykaylor wrote:

```suggestion
  auto *fpt = cast<FunctionProtoType>(protoFunc->getType());
```

https://github.com/llvm/llvm-project/pull/171749