grep branch, master, updated. v2.18-95-gc841bbb

[Paul Eggert]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=c841bbb0fc18abaa20638a4f9b965ec075c23457


commit c841bbb0fc18abaa20638a4f9b965ec075c23457
Author: Paul Eggert <address@hidden>
Date:   Thu Apr 24 01:10:01 2014 -0700

    build: suppress unsafe-loop-optimizations warnings
    
    I ran into one of these while trying out GCC 4.9.0's new
    -fsanitize=undefined option.  The warning told me that GCC didn't
    do an unsafe optimization, but in 'grep' this is not typically a
    symptom of a programming error.
    * configure.ac (WERROR_CFLAGS): Suppress -Wunsafe-loop-optimizations.

diff --git a/configure.ac b/configure.ac
index 6a99c40..c301ebe 100644
--- a/configure.ac
+++ b/configure.ac
@@ -118,6 +118,7 @@ if test "$gl_gcc_warnings" = yes; then
   nw="$nw -Wpadded"                 # Our structs are not padded
   nw="$nw -Wvla"                    # warnings in gettext.h
   nw="$nw -Wswitch-default"         # Too many warnings for now
+  nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
   nw="$nw -Winline"                 # streq.h's streq4, streq6 and strcaseeq6
   nw="$nw -Wstrict-overflow"        # regexec.c
 

-----------------------------------------------------------------------

Summary of changes:
 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)


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