https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70519
--- Comment #2 from Jason Vas Dias <jason.vas.dias at gmail dot com> --- In fact, it happens for EVERY executable produced by stage2 compiler! Why is this - do I need to add '-lstdc++' to LDFLAGS or to --with-stage1-ldflags / --with-boot-ldflags in order to build gcc-5.3.0 ?
