[Bug middle-end/77720] -Wformat-length= wit -O3 emit warning twice with incorrect linenumbers

2016-09-26 Thread dimhen at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77720

Dmitry G. Dyachenko  changed:

   What|Removed |Added

 Status|RESOLVED|CLOSED

--- Comment #2 from Dmitry G. Dyachenko  ---
r240462 PASS : print diagnostique one time

$ gcc -Wall -c -O3 x.c
x.c: In function ‘bar’:
x.c:15:21: warning: ‘%3u’ directive output may be truncated writing between 3
and 10 bytes into a region of size 4 [-Wformat-length=]
 snprintf(p, 4, "%3u", k);
 ^~~
x.c:15:20: note: directive argument in the range [0u, 4294967295u]
 snprintf(p, 4, "%3u", k);
^
x.c:15:5: note: format output between 4 and 11 bytes into a destination of size
4
 snprintf(p, 4, "%3u", k);
 ^~~~

[Bug middle-end/77720] -Wformat-length= wit -O3 emit warning twice with incorrect linenumbers

2016-09-26 Thread dimhen at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77720

Dmitry G. Dyachenko  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |FIXED

--- Comment #1 from Dmitry G. Dyachenko  ---
r240462 PASS