[Bug c++/71570] [6/7 regression] ICE on invalid variable capture in cxx_incomplete_type_diagnostic, at cp/typeck2.c:551

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71570

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-06-20
                 CC|                            |jason at gcc dot gnu.org,
                   |                            |msebor at gcc dot gnu.org
            Summary|ICE on invalid C++11 code   |[6/7 regression] ICE on
                   |(with invalid variable      |invalid variable capture in
                   |capture) on                 |cxx_incomplete_type_diagnos
                   |x86_64-linux-gnu: in        |tic, at cp/typeck2.c:551
                   |cxx_incomplete_type_diagnos |
                   |tic, at cp/typeck2.c:551    |
     Ever confirmed|0                           |1
      Known to fail|                            |6.1.0, 7.0

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
The ICE was introduced into GCC 6.0 in r232436:

r232436 | jason | 2016-01-15 10:57:07 -0500 (Fri, 15 Jan 2016) | 6 lines

        PR c++/69257
        * typeck.c (decay_conversion): Don't call mark_rvalue_use for
        array/function-to-pointer conversion.  Call
        complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
        * call.c (convert_like_real): Print call context if
        decay_conversion errors.