Created attachment 56322 [details]
Temp file with ICE error

CFLAGS: 
-std=c2x -O2 -ml -m4-single-only -ffast-math -mfsrra -mfsca -matomic-model=soft-imask -ftls-model=local-exec -mlra -fomit-frame-pointer -fno-builtin

ICE:
beep.c:200:1: error: insn does not satisfy its constraints:
  200 | }
      | ^
(insn 1726 1725 127 5 (parallel [
            (set (reg:SF 65 fr1 [735])
                (reg:SF 0 r0 [736]))
            (use (reg:SI 154 fpscr0))
            (clobber (scratch:SI))
        ]) "beep.c":78:17 214 {movsf_ie}
     (expr_list:REG_DEAD (reg:SF 0 r0 [736])
        (nil)))
during RTL pass: cprop_hardreg
beep.c:200:1: internal compiler error: in extract_constrain_insn, at recog.cc:2692