Clear variable debug info map at the end of the function.

llvm-svn: 83571

llvm/lib/CodeGen/MachineModuleInfo.cpp

@@ -76,6 +76,9 @@ void MachineModuleInfo::EndFunction() {
   FilterEnds.clear();
   CallsEHReturn = 0;
   CallsUnwindInit = 0;
+#ifdef ATTACH_DEBUG_INFO_TO_AN_INSN
+  VariableDbgInfo.clear();
+#endif
 }
 
 /// AnalyzeModule - Scan the module for global debug information.