https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119300
--- Comment #2 from Zdenek Sojka <zsojka at seznam dot cz> ---
It fails the same way with -std=c11 -mfpmath=387:
$ x86_64-pc-linux-gnu-gcc -std=c11 -mfpmath=387 testcase.c
testcase.c: In function 'foo':
testcase.c:5:1: error: unrecognizable insn:
5 | }
| ^
(insn 8 7 9 2 (set (reg:SF 102)
(mult:SF (reg:SF 101)
(reg:SF 100))) "testcase.c":4:10 -1
(nil))
during RTL pass: vregs
testcase.c:5:1: internal compiler error: in extract_insn, at recog.cc:2882
0x2df96e1 internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:517
0xef8363 fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostic.cc:1749
0x86a413 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/repo/gcc-trunk/gcc/rtl-error.cc:108
0x86a490 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/repo/gcc-trunk/gcc/rtl-error.cc:116
0x859068 extract_insn(rtx_insn*)
/repo/gcc-trunk/gcc/recog.cc:2882
0x12765df instantiate_virtual_regs_in_insn
/repo/gcc-trunk/gcc/function.cc:1612
0x12765df instantiate_virtual_regs
/repo/gcc-trunk/gcc/function.cc:1995
0x12765df execute
/repo/gcc-trunk/gcc/function.cc:2042
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
