http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59327
--- Comment #2 from Jorn Wolfgang Rennecke ---
sz is HOST_WIDE_INT, ASAN_RED_ZONE_SIZE is an int literal, and data.asan_alignb
is an unsigned int.
With 32 bit int and HOST_WIDE_INT, this results in a 32 bit signed/unsigned
comparison.
When build
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59327
--- Comment #1 from Jorn Wolfgang Rennecke ---
The warning also happens when using g++ (GCC) 4.9.0 20131128 (experimental),
and when building gcc for target epiphany-elf.