https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79949
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- Same happens here: $ s390x-linux-gnu-gcc /home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/torture/builtin-arith-overflow-p-19.c -O2 /home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/torture/builtin-arith-overflow-p-19.c: In function ‘t112_2mul’: /home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/torture/builtin-arith-overflow-p-19.c:63:1: internal compiler error: Max. number of generated reload insns per insn is achieved (90) TESTS ^~~~~ 0x9f06b3 lra_constraints(bool) .././../gcc/lra-constraints.c:4695 0x9da1fc lra(_IO_FILE*) .././../gcc/lra.c:2392 0x990d3f do_reload .././../gcc/ira.c:5451 0x990d3f execute .././../gcc/ira.c:5635