http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56607



--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-22 
15:59:09 UTC ---

Author: jakub

Date: Fri Mar 22 15:54:37 2013

New Revision: 196973



URL: http://gcc.gnu.org/viewcvs?rev=196973&root=gcc&view=rev

Log:

    Backported from mainline

    2013-03-16  Jakub Jelinek  <ja...@redhat.com>



    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:

    branches/gcc-4_8-branch/gcc/testsuite/c-c++-common/pr56607.c

    branches/gcc-4_8-branch/gcc/testsuite/g++.dg/warn/Wdiv-by-zero-2.C

Modified:

    branches/gcc-4_8-branch/gcc/cp/ChangeLog

    branches/gcc-4_8-branch/gcc/cp/typeck.c

    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog

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