[Bug c/11586] after call sigaction, system() return wrong status

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11586

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Wed Feb 26 21:28:08 2014
New Revision: 208183

URL: http://gcc.gnu.org/viewcvs?rev=208183&root=gcc&view=rev
Log:
    PR c++/59231
    PR c++/11586
    PR c++/14710
    PR c++/57132
gcc/
    * c-common.c (shorten_compare): Don't check
    c_inhibit_evaluation_warnings.
gcc/cp/
    * pt.c (struct warning_sentinel): New.
    (tsubst_copy_and_build): Use it instead of
    c_inhibit_evaluation_warnings.

Added:
    trunk/gcc/testsuite/g++.dg/warn/Wsign-compare-7.C
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/cp/typeck.c
    trunk/gcc/testsuite/g++.dg/cilk-plus/AN/array_test2_tplt.cc
    trunk/gcc/testsuite/g++.dg/cpp0x/overflow1.C