On Tue, Mar 6, 2018 at 5:00 PM, Paolo Carlini <paolo.carl...@oracle.com> wrote: > On 06/03/2018 21:33, Jason Merrill wrote: >> >> Interesting, that seems like a promising idea. I'm not sure we need >> to do this based on an error in a default template arg, though; can we >> drop >> >> + || error_operand_p (TREE_PURPOSE (parameter))) >> >> ? > > Good point, yes, I believe we can, isn't necessary for all the snippets I > have around neither apparently to pass the testsuite (but this is rather > straightforward, right?). As I said, I tried many different things, some > also fiddled with TREE_PURPOSE, in pt.c too, but in what I sent I only added > the check out of a reflex. Anyway, the below is in libstdc++, so far so > good.
What if, instead of adding another flag to cp_parser, we look for errors in the template parms for a particular member before we do any late parsing for it? Jason
