http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49781
--- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-03 16:47:09 UTC --- Created attachment 24907 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24907 A testcase [hjl@gnu-33 delta]$ /export/build/gnu/gcc-x32-test/release/usr/gcc-4.7.0-x32/bin/gcc -mx32 -std=gnu99 -fgnu89-inline -O2 -S testcase.c .... testcase.c:634:2: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.