https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83464
--- Comment #4 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> --- (In reply to Oleg Endo from comment #3) > Is this still an issue with current trunk? > Can you please check? I have to try. I'll run a testbuild. Currently the package has the following workaround for PR/81426: # See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81426 ifneq (,$(filter $(DEB_HOST_ARCH_CPU),sh3 sh4)) export DEB_CXXFLAGS_MAINT_STRIP += -O2 export DEB_CXXFLAGS_MAINT_APPEND += -O1 endif See: https://salsa.debian.org/qt-kde-team/qt/qt5webkit/blob/master/debian/rules#L20 Maybe LRA works these days.