Add a bit more information to a checkNotNull call that is failing with PolymerPass running in Polymer 2 mode.
@@ -4786,7 +4786,7 @@ final class NewTypeInference implements CompilerPass {
new QualifiedName(commonTypes.createSetterPropName(pname.getLeftmostName()));
if (recvType.hasProp(setterPname)) {
FunctionType funType = recvType.getProp(setterPname).getFunType();
- checkNotNull(funType);
+ checkNotNull(funType, "recvType=%s, setterPname=%s", recvType, setterPname);
JSType formalType = funType.getFormalType(0);
checkState(!formalType.isBottom());
return new LValueResultFwd(inEnv, formalType, formalType, null);
