Fix crash generating debug info for constructor for anonymous struct.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93601 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index ab8f663..cc97d19 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -1001,7 +1001,7 @@
const Decl *D = GD.getDecl();
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
Name = getFunctionName(FD);
- if (Name[0] == '\01')
+ if (!Name.empty() && Name[0] == '\01')
Name = Name.substr(1);
// Use mangled name as linkage name for c/c++ functions.
LinkageName = CGM.getMangledName(GD);