[patch c++]: Fix PR/64127 ICE on invalid: tree check: exprected identifier_node, have template_id_expr in cp_parser_diagnose_invalid_type_name

[Kai Tietz]

2014-12-04 16:47 GMT+01:00 Marek Polacek <polacek@redhat.com>:
> On Thu, Dec 04, 2014 at 04:12:02PM +0100, Kai Tietz wrote:
>> Hi,
>>
>> this patch fixes an ICE happening on invalid code for < c++11.  It is
>> reasoned by
>> accessing blindly identifier without checking that it is a declaration.
>>
>> ChangeLog
>>
>> 2014-12-04  Kai Tietz  <ktietz@redhat.com>
>>
>>     PR c++/64127
>>     * parser.c (cp_parser_diagnose_invalid_type_name): Check
>>     id for being a declaration before accessing identifier.
>>
>> Tested on x86_64-unknown-linux-gnu.
>>
>> Ok for apply?
>
> Testcase?
>
>         Marek

Same as said before.  Issue is a invalid-code bug with ICE, and
error-messages are pretty meaningless.  It would be helpful to have in
testsuite just the opportunity to test for no ICE.

Anyway, if testcase is requested, I can add it to g++.dg/ collection

Kai