Assert instead of going into an infinite loop!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11946 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/Record.cpp b/utils/TableGen/Record.cpp
index 00751a1..1a60ac4 100644
--- a/utils/TableGen/Record.cpp
+++ b/utils/TableGen/Record.cpp
@@ -361,11 +361,14 @@
Init *VarInit::getFieldInit(Record &R, const std::string &FieldName) const {
if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType()))
- if (const RecordVal *RV = R.getValue(VarName))
- if (Init *I = RV->getValue()->getFieldInit(R, FieldName))
+ if (const RecordVal *RV = R.getValue(VarName)) {
+ Init *TheInit = RV->getValue();
+ assert(TheInit != this && "Infinite loop detected!");
+ if (Init *I = TheInit->getFieldInit(R, FieldName))
return I;
else
return 0;
+ }
return 0;
}