[opaque pointer types] Trivial changes towards CallInst requiring
explicit function types.

llvm-svn: 353009
diff --git a/clang/lib/CodeGen/CGCoroutine.cpp b/clang/lib/CodeGen/CGCoroutine.cpp
index 8ac9b5b..9ebd84d 100644
--- a/clang/lib/CodeGen/CGCoroutine.cpp
+++ b/clang/lib/CodeGen/CGCoroutine.cpp
@@ -735,7 +735,7 @@
   for (const Expr *Arg : E->arguments())
     Args.push_back(EmitScalarExpr(Arg));
 
-  llvm::Value *F = CGM.getIntrinsic(IID);
+  llvm::Function *F = CGM.getIntrinsic(IID);
   llvm::CallInst *Call = Builder.CreateCall(F, Args);
 
   // Note: The following code is to enable to emit coro.id and coro.begin by