[Bug c++/69850] [6 Regression] unnecessary -Wnonnull-compare warning

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69850

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Feb 17 22:27:24 2016
New Revision: 233508

URL: https://gcc.gnu.org/viewcvs?rev=233508&root=gcc&view=rev
Log:
        PR c++/69850
        * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
        on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
        * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
        warn on gimple_no_warning_p statements.

        * init.c (build_delete): Set TREE_NO_WARNING on ifexp.

        * g++.dg/warn/Wnonnull-compare-1.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/warn/Wnonnull-compare-1.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/init.c
    trunk/gcc/gimple-ssa-nonnull-compare.c
    trunk/gcc/gimplify.c
    trunk/gcc/testsuite/ChangeLog