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[Bug c++/56607] [4.8/4.9 regression] GCC fails to warn on division by zero
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 16 Mar 2013 19:35:48 +0000
- Subject: [Bug c++/56607] [4.8/4.9 regression] GCC fails to warn on division by zero
- Auto-submitted: auto-generated
- References: <bug-56607-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56607
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-16 19:35:48 UTC ---
Author: jakub
Date: Sat Mar 16 19:35:41 2013
New Revision: 196704
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196704
Log:
PR c++/56607
* typeck.c (cp_build_binary_op): When calling warn_for_div_by_zero,
pass op1 through maybe_constant_value first.
* g++.dg/warn/Wdiv-by-zero-2.C: New test.
* c-c++-common/pr56607.c: New test.
Added:
trunk/gcc/testsuite/c-c++-common/pr56607.c
trunk/gcc/testsuite/g++.dg/warn/Wdiv-by-zero-2.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/typeck.c
trunk/gcc/testsuite/ChangeLog