Fix PR20705, crash on invalid.
dyn_cast -> dyn_cast_or_null to handle a null pointer.
llvm-svn: 216254
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index c8c3815..0244d4c 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -9300,7 +9300,7 @@
// Static locals inherit dll attributes from their function.
if (VD->isStaticLocal()) {
if (FunctionDecl *FD =
- dyn_cast<FunctionDecl>(VD->getParentFunctionOrMethod())) {
+ dyn_cast_or_null<FunctionDecl>(VD->getParentFunctionOrMethod())) {
if (Attr *A = getDLLAttr(FD)) {
auto *NewAttr = cast<InheritableAttr>(A->clone(getASTContext()));
NewAttr->setInherited(true);