[Bug sanitizer/80536] [6/7/8 Regression] UBSAN: compile time segfault

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80536

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |6.4
            Summary|UBSAN: compile time         |[6/7/8 Regression] UBSAN:
                   |segfault                    |compile time segfault

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with

commit c61a1e061d7d208571d26dbb4e0873b0b4e36ec4
Author: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Tue Nov 17 21:44:08 2015 +0000

            Don't fold -(constant) or -0.

            * parser.c (cp_parser_unary_expression): Fold -constant here.
            * typeck.c (cp_build_unary_op): Not here.

    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230506
138bc75d-0d04-0410-961f-82ee72b054a4