[Bug middle-end/49705] -Wstrict-overflow should not diagnose unevaluated expressions

[ian at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49705

--- Comment #7 from ian at gcc dot gnu.org <ian at gcc dot gnu.org> 2011-07-21 
21:30:26 UTC ---
Author: ian
Date: Thu Jul 21 21:30:24 2011
New Revision: 176591

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176591
Log:
gcc/c-family:
    PR middle-end/49705
    * c-common.c (c_disable_warnings): New static function.
    (c_enable_warnings): New static function.
    (c_fully_fold_internal): Change local unused_p to bool.  Call
    c_disable_warnings and c_enable_warnings rather than change
    c_inhibit_evaluation_warnings.
gcc/testsuite:
    PR middle-end/49705
    * gcc.dg/pr49705.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr49705.c
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/testsuite/ChangeLog