[Bug tree-optimization/83655] [8 Regression] ICE on an invalid call to memcpy declared with no prototype

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83655

--- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Wed Jan  3 23:41:32 2018
New Revision: 256218

URL: https://gcc.gnu.org/viewcvs?rev=256218&root=gcc&view=rev
Log:
PR tree-optimization/83655 - ICE on an invalid call to memcpy declared with no
prototype

gcc/testsuite/ChangeLog:

        PR tree-optimization/83655
        * gcc.dg/Wrestrict-5.c: New test.
        * c-c++-common/builtins.c: New test.

gcc/ChangeLog:

        PR tree-optimization/83655
        * gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Avoid
        checking calls with invalid arguments.

Added:
    trunk/gcc/testsuite/c-c++-common/builtins.c
    trunk/gcc/testsuite/gcc.dg/Wrestrict-5.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-warn-restrict.c
    trunk/gcc/testsuite/ChangeLog