[Bug c/90628] __builtin_mul_overflow writes to const qualified integer

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90628

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed May 29 07:48:37 2019
New Revision: 271732

URL: https://gcc.gnu.org/viewcvs?rev=271732&root=gcc&view=rev
Log:
        PR c/90628
        * c-common.c (check_builtin_function_arguments)
        <case BUILTIN_*_OVERFLOW>: Diagnose pointer to const qualified integer
        as last argument.

        * c-c++-common/builtin-arith-overflow-3.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/builtin-arith-overflow-3.c
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/testsuite/ChangeLog