[Bug c++/110175] [GCC][Crash] GCC Crash on valid code

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110175

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Marek Polacek <mpola...@gcc.gnu.org>:

https://gcc.gnu.org/g:4de22e25918f6fe40184c444ba6d81b19b806e26

commit r14-2167-g4de22e25918f6fe40184c444ba6d81b19b806e26
Author: Marek Polacek <pola...@redhat.com>
Date:   Thu Jun 8 14:07:44 2023 -0400

    c++: fix error reporting routines re-entered ICE [PR110175]

    Here we get the "error reporting routines re-entered" ICE because
    of an unguarded use of warning_at.  While at it, I added a check
    for a warning_at just above it.

            PR c++/110175

    gcc/cp/ChangeLog:

            * typeck.cc (cp_build_unary_op): Check tf_warning before warning.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp0x/decltype-110175.C: New test.