http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48042
--- Comment #4 from bero at arklinux dot org 2011-03-09 13:27:24 UTC --- Created attachment 23598 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23598 Preprocessed source of remaining widgetinfo.cpp Preprocessed source of remaining widgetinfo.cpp $ g++ -g -O2 -flto -o test.o -c widgetinfo.i $ g++ -g -O2 -flto -o test test.o -L/usr/src/ark/BUILD/qt/lib -lQt3Support In file included from tools/q3glist.h:164:0, from :88: tools/q3gvector.cpp: In member function ‘write’: tools/q3gvector.cpp:159:1: 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. lto-wrapper: g++ returned 1 exit status /usr/bin/ld: lto-wrapper failed collect2: ld returned 1 exit status Still requires a libQt3Support.so built with -flto to trigger the crash though...