Ignore the possible expected token when we find an unrecognized token
Ignore the possible expected token when we find an unrecognized token

This will at least print an error message with the location, rather than
panicking, which is a lot more user-friendly :)

tempbottle/lalrpop,nikomatsakis/lalrpop,tempbottle/lalrpop,nikomatsakis/lalrpop