[ASan] fixup for r167725: Don't fetch name of StructType if it is literal

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167729 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/Transforms/Instrumentation/BlackList.cpp b/lib/Transforms/Instrumentation/BlackList.cpp
index 5b65ea6649..e02c631f7f 100644
--- a/lib/Transforms/Instrumentation/BlackList.cpp
+++ b/lib/Transforms/Instrumentation/BlackList.cpp
@@ -97,8 +97,9 @@ static StringRef GetGVTypeString(const GlobalVariable &G) {
   // Types of GlobalVariables are always pointer types.
   Type *GType = G.getType()->getElementType();
   // For now we support blacklisting struct types only.
-  if (GType->isStructTy()) {
-    return GType->getStructName();
+  if (StructType *SGType = dyn_cast<StructType>(GType)) {
+    if (!SGType->isLiteral())
+      return SGType->getName();
   }
   return "<unknown type>";
 }