Fix a bug I just introduced.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42479 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Sema/SemaDecl.cpp b/Sema/SemaDecl.cpp
index e0ce057..cc34463 100644
--- a/Sema/SemaDecl.cpp
+++ b/Sema/SemaDecl.cpp
@@ -27,9 +27,9 @@
 using namespace clang;
 
 Sema::DeclTy *Sema::isTypeName(const IdentifierInfo &II, Scope *S) const {
-  Decl *IIDecl = II.getFETokenInfo<Decl>();
-  if (isa<TypedefDecl>(IIDecl) || isa<ObjcInterfaceDecl>(IIDecl))
-    return IIDecl;
+  if (Decl *IIDecl = II.getFETokenInfo<Decl>())
+    if (isa<TypedefDecl>(IIDecl) || isa<ObjcInterfaceDecl>(IIDecl))
+      return IIDecl;
   return 0;
 }