Building QT4, GCC 4.4 rev 144616. The file compiles correctly with -O0, but fails with -O1 or -Os.
/var/tmp/portage/x11-libs/qt-core-4.5.0/work/qt-x11-opensource-src-4.5.0/src/script/qscriptecmaboolean.cpp: In member function 'void QScript::Ecma::Boolean::newBoolean(QScriptValueImpl*, bool)': /var/tmp/portage/x11-libs/qt-core-4.5.0/work/qt-x11-opensource-src-4.5.0/src/script/qscriptecmaboolean.cpp:101: internal compiler error: in copy_tree_body_r, at tree-inline.c:1042 -- Summary: ICE at tree-inline.c:1042 with -O Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: il dot basso dot buffo at gmail dot com GCC build triplet: x86_64-pc-linux-gnu GCC host triplet: x86_64-pc-linux-gnu GCC target triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39367