[Bug middle-end/85369] no -Wstringop-overflow for a strcpy / stpcpy call with a nonstring pointer when providing movstr pattern

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85369

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Wed May 30 22:24:43 2018
New Revision: 260976

URL: https://gcc.gnu.org/viewcvs?rev=260976&root=gcc&view=rev
Log:
PR middle-end/85369 - no -Wstringop-overflow for a strcpy / stpcpy call with a
nonstring pointer when providing movstr pattern

gcc/ChangeLog:

        PR middle-end/85369
        * builtins.c (expand_builtin_stpcpy_1): New function.
        (expand_builtin_stpcpy): Call it, and call maybe_warn_nonstring_arg
        only if the former succeeds.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c