------- Comment #16 from andreast at gcc dot gnu dot org 2007-08-28 18:44 ------- Volumes/development/gcc/head/objdir/./gcc/xgcc -B/Volumes/development/gcc/head/objdir/./gcc/ -B/Volumes/development/gcc/head/testbin/powerpc-apple-darwin8.10.0/bin/ -B/Volumes/development/gcc/head/testbin/powerpc-apple-darwin8.10.0/lib/ -isystem /Volumes/development/gcc/head/testbin/powerpc-apple-darwin8.10.0/include -isystem /Volumes/development/gcc/head/testbin/powerpc-apple-darwin8.10.0/sys-include -DHAVE_CONFIG_H -I. -I/Volumes/development/gcc/head/gcc/libffi -I. -I. -I/Volumes/development/gcc/head/gcc/libffi/include -Iinclude -I/Volumes/development/gcc/head/gcc/libffi/src -Wall -g -fexceptions -O0 -g -O0 -MT src/java_raw_api.lo -MD -MP -MF src/.deps/java_raw_api.Tpo -c /Volumes/development/gcc/head/gcc/libffi/src/java_raw_api.c -fno-common -DPIC -o src/.libs/java_raw_api.o
So no explicit -fstrict-aliasing. Iow, yes with -fno-strict-aliasing. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32758