Check for error after InstantiateMultclassDef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145689 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/TableGen/TGParser.cpp b/lib/TableGen/TGParser.cpp
index c06add4f6188f2efe1d81567dc6b1e3f679fa582..8bcb029cbcf0d90e567a6326689f9d7254ad46a3 100644 (file)
--- a/lib/TableGen/TGParser.cpp
+++ b/lib/TableGen/TGParser.cpp
@@ -2219,6 +2219,8 @@ bool TGParser::ParseDefm(MultiClass *CurMultiClass) {
       Record *DefProto = MC->DefPrototypes[i];
 
       Record *CurRec = InstantiateMulticlassDef(*MC, DefProto, DefmPrefix, DefmPrefixLoc);
+      if (!CurRec)
+        return true;
 
       if (ResolveMulticlassDefArgs(*MC, CurRec, DefmPrefixLoc, SubClassLoc,
                                    TArgs, TemplateVals, true/*Delete args*/))