1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 24212967a34..5ae38749a8d 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1534,6 +1534,10 @@ void CGDebugInfo::EmitFunctionStart(GlobalDecl GD, QualType FnType,
   FnBeginRegionCount.push_back(RegionStack.size());
 
   const Decl *D = GD.getDecl();
+  if (const ClassTemplateSpecializationDecl *TSpecial
+      = dyn_cast<ClassTemplateSpecializationDecl>(D))
+    assert (0 && "Got one!");
+
   unsigned Flags = 0;
   llvm::DIFile Unit = getOrCreateFile(CurLoc);
   llvm::DIDescriptor FDContext(Unit);