Set appropriate context for a global variable while emitting debug info.

llvm-svn: 83352
diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h
index 17237dd..ff8ec05 100644
--- a/clang/lib/CodeGen/CGDebugInfo.h
+++ b/clang/lib/CodeGen/CGDebugInfo.h
@@ -131,6 +131,9 @@
   void EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, llvm::Value *AI,
                    CGBuilderTy &Builder, CodeGenFunction *CGF);
 
+  /// getContext - Get context info for the decl.
+  llvm::DIDescriptor getContext(const VarDecl *Decl,llvm::DIDescriptor &CU);
+
   /// getOrCreateCompileUnit - Get the compile unit from the cache or create a
   /// new one if necessary.
   llvm::DICompileUnit getOrCreateCompileUnit(SourceLocation Loc);