Fix "pointer is null" static analyzer warning. NFCI.

Use castAs<> instead of getAs<> since the pointer is dereferenced immediately below and castAs will perform the null assertion for us.

diff --git a/clang/lib/CodeGen/CGVTables.cpp b/clang/lib/CodeGen/CGVTables.cpp
index c22504c..a8dce3c 100644 (file)
--- a/clang/lib/CodeGen/CGVTables.cpp
+++ b/clang/lib/CodeGen/CGVTables.cpp
@@ -336,7 +336,7 @@ void CodeGenFunction::EmitCallAndReturnForThunk(llvm::FunctionCallee Callee,
   for (const ParmVarDecl *PD : MD->parameters())
     EmitDelegateCallArg(CallArgs, PD, SourceLocation());
 
-  const FunctionProtoType *FPT = MD->getType()->getAs<FunctionProtoType>();
+  const FunctionProtoType *FPT = MD->getType()->castAs<FunctionProtoType>();
 
 #ifndef NDEBUG
   const CGFunctionInfo &CallFnInfo = CGM.getTypes().arrangeCXXMethodCall(