Initialize debug info for special cases of functions that lack declarations and are generated by Clang (global initializers/destructors, thunks) . Fixes PR13942.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166676 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/CodeGen/CGVTables.cpp b/lib/CodeGen/CGVTables.cpp
index a1a661be84..5b37fe4b96 100644
--- a/lib/CodeGen/CGVTables.cpp
+++ b/lib/CodeGen/CGVTables.cpp
@@ -333,7 +333,10 @@ void CodeGenFunction::GenerateThunk(llvm::Function *Fn,
     
     FunctionArgs.push_back(Param);
   }
-  
+
+  // Initialize debug info if needed.
+  maybeInitializeDebugInfo();
+
   StartFunction(GlobalDecl(), ResultType, Fn, FnInfo, FunctionArgs,
                 SourceLocation());