1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/TableGen/TGParser.cpp b/llvm/lib/TableGen/TGParser.cpp
index 2c6a46cb0bc..f337c75ed5e 100644
--- a/llvm/lib/TableGen/TGParser.cpp
+++ b/llvm/lib/TableGen/TGParser.cpp
@@ -360,8 +360,13 @@ bool TGParser::ProcessForeachDefs(Record *CurRec, SMLoc Loc, IterSet &IterVals){
   }
 
   if (Records.getDef(IterRec->getNameInitAsString())) {
-    Error(Loc, "def already exists: " + IterRec->getNameInitAsString());
-    return true;
+    // If this record is anonymous, it's no problem, just generate a new name
+    if (IterRec->isAnonymous())
+      IterRec->setName(GetNewAnonymousName());
+    else {
+      Error(Loc, "def already exists: " + IterRec->getNameInitAsString());
+      return true;
+    }
   }
 
   Records.addDef(IterRec);