On 2016.01.22 at 11:27 -0800, Martin Michlmayr wrote: > * Martin Michlmayr <t...@hpe.com> [2016-01-21 21:09]: > > * 13: test suite failures (segfaults and similar); not clear if the > > package or if GCC is at fault. > > Rene Engelhard pointed me to > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69327 > which might explain some of these segfaults.
My guess would be that most segfaults are caused by the much more aggressive optimization based on the assumption that "this" must never be NULL in C++. QT5, Chromium and Kdevelop all call methods from a NULL pointer and crash for this reason. -fno-delete-null-pointer-checks is a workaround. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68853 for an analysis of the Chromium crash. -- Markus
