http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59935
--- Comment #3 from David Kredba <nheghathivhistha at gmail dot com> --- Is this having the same cause please? It is a seamonkey-2.23 configure stage. configure:24169: checking size of int * configure:24188: x86_64-pc-linux-gnu-gcc -o conftest -fPIC -ggdb -pipe -march=native -mtune=native -mno-avx -mno-sse4.2 -mno-3dnow -mno-avx -std=gnu99 -fgnu89-inline -fno-strict-aliasing -fno-math-errno -pthread -lpthread -Wl,--as-needed -Wl,-O2 -ggdb -pipe -march=native -mtune=native -mno-avx -mno-sse4.2 -mno-3dnow -fPIC -Wl,-z,noexecstack -Wl,-z,text -B /var/tmp/portage/www-client/seamonkey-2.23/work/comm-release/seamonk/mozilla/build/unix/gold conftest.c -ldl 1>&5 configure:24179:1: warning: return type defaults to 'int' [enabled by default] x86_64-pc-linux-gnu-gcc: internal compiler error: Segmentation fault (program cc1) Please submit a full bug report, with preprocessed source if appropriate. See <https://bugs.gentoo.org/> for instructions. configure: failed program was: #line 24177 "configure" #include "confdefs.h" #include <stdio.h> main() { FILE *f=fopen("conftestval", "w"); if (!f) exit(1); fprintf(f, "%d\n", sizeof(int *)); exit(0); } configure: error: Unexpected pointer size trunk revision 207070