[Bug c/87297] [9 Regression] ICE on strncpy with an undeclared argument

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87297

--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Wed Nov 28 23:04:09 2018
New Revision: 266594

URL: https://gcc.gnu.org/viewcvs?rev=266594&root=gcc&view=rev
Log:
PR c/88065 - ICE in -Wsizeof-pointer-memaccess on an invalid strncpy
PR c/87297 - ICE on strncpy with an undeclared argument

gcc/c-family/ChangeLog:

        PR c/88065
        PR c/87297
        * c-warn.c (sizeof_pointer_memaccess_warning): Bail if source
        or destination is an error.

gcc/testsuite/ChangeLog:

        PR c/88065
        PR c/87297
        * c-c++-common/Wsizeof-pointer-memaccess4.c: New test.



Added:
    trunk/gcc/testsuite/c-c++-common/Wsizeof-pointer-memaccess4.c
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-warn.c
    trunk/gcc/testsuite/ChangeLog