https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89223
David Malcolm <dmalcolm at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-valid-code Status|UNCONFIRMED |NEW Last reconfirmed| |2019-02-06 CC| |dmalcolm at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> --- Confirmed via godbolt; this crashes GCC 5 onwards, including trunk. It's failing this assertion here: 11731 /* Make sure the sign-extended value will fit in a HOST_WIDE_INT. */ 11732 gcc_assert (cst_and_fits_in_hwi (x)); where: (gdb) call debug_tree (x) <integer_cst 0x7ffff1a15550 type <integer_type 0x7ffff18c6a80 __int128 unsigned> constant 0xfffffffffffffffffffffffffffffffe>