https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64908
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- This is the actual crash: ==15192== Invalid read of size 1 ==15192== at 0xCBB825: ggc_get_size(void const*) (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== by 0xBE7A71: gt_pch_note_object(void*, void*, void (*)(void*, void*, void (*)(void*, void*), void*)) (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== by 0xBE7D4B: gt_pch_nx_cpp_macro(void*) (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== by 0xC1EDFF: gt_pch_nx_lang_tree_node(void*) (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== by 0xB728E0: gt_pch_nx_string_pool_data(void*) (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== by 0xBE7436: gt_pch_save(_IO_FILE*) (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== by 0xC10BBB: c_common_write_pch() (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== by 0x5C2817: ??? (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== by 0xCB561F: compile_file() [clone .lto_priv.2265] (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== by 0xC2D8FD: toplev::main(int, char**) (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== by 0xC2C8BC: main (in /usr/libexec/gcc/x86_64-pc-linux-gnu/5.0.0/cc1plus) ==15192== Address 0x2e is not stack'd, malloc'd or (recently) free'd
