[Bug lto/84212] -Wno-* does not disable warnings from -flto link stage

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84212

--- Comment #7 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Fri Feb  9 17:58:54 2018
New Revision: 257534

URL: https://gcc.gnu.org/viewcvs?rev=257534&root=gcc&view=rev
Log:
PR lto/84212 - -Wno-* does not disable warnings from -flto link stage

gcc/c-family/ChangeLog:

        PR lto/84212
        * c.opt (-Wstringop-overflow, -Warray-bounds): Add LTO.
        (-Walloc-size-larger-than, -Wformat-truncation=): Same.
        (-Wmaybe-uninitialized, -Wnonnull, -Wrestrict): Same.
        (-Wstrict-overflow, -Wsuggest-attribute): Same.
        (-Wuninitialized): Same.

gcc/testsuite/ChangeLog:

        PR lto/84212
        * gcc.dg/lto/pr84212_0.c: New test file.
        * gcc.dg/lto/pr84212_1.c: Same.

Added:
    trunk/gcc/testsuite/gcc.dg/lto/pr84212_0.c
    trunk/gcc/testsuite/gcc.dg/lto/pr84212_1.c
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c.opt
    trunk/gcc/testsuite/ChangeLog