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?


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