Hi, LLParser::ParseCmpPredicate has two uses of TokError in a switch which, currently, fall through so an invalid cmp operand can becomes a valid, different parse. I don't really understand the big picture of the codeI can fix that either by doing "return TokError(...)" or adding a break. Using a break will result in a call of Lex.Lex() which there isn't in the return case. I can't tell any difference in testing, I think "return" is the right solution but can I just check that's not breaking some subtle parsing invariant? If it's the best solution, I'll roll up a patch and a test and commit.
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