https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91552
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2019-08-27 CC| |marxin at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- Confirmed, it's very old: ==31707== Warning: set address range perms: large range [0x5577040, 0x25577050) (undefined) ==31707== Invalid read of size 8 ==31707== at 0x4B604A9: __gmpn_mul_basecase_coreihwl (tmp-coreihwl_mul_basecase.s:153) ==31707== by 0x4B80A3F: ??? (in /usr/lib64/libgmp.so.10.3.2) ==31707== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==31707== f951: internal compiler error: Segmentation fault 0x4d99e4f ??? /usr/src/debug/glibc-2.29-7.3.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0 0x4b604a9 ??? /usr/src/debug/gmp-6.1.2-4.2.x86_64/mpn/tmp-coreihwl_mul_basecase.s:153