Teach tablegen to support 'defm' inside multiclasses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105519 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TGParser.h b/utils/TableGen/TGParser.h
index 9f4b634..88998d4 100644
--- a/utils/TableGen/TGParser.h
+++ b/utils/TableGen/TGParser.h
@@ -74,7 +74,7 @@
   bool ParseClass();
   bool ParseMultiClass();
   bool ParseMultiClassDef(MultiClass *CurMC);
-  bool ParseDefm();
+  bool ParseDefm(MultiClass *CurMultiClass = 0);
   bool ParseTopLevelLet();
   std::vector<LetRecord> ParseLetList();