[Bug target/120936] [12/13/14/15/16 Regression] x86_function_profiler emits an unused label by by r5-3767-gecc81e33123d7a

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120936

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
E.g.
body: .LFB[0-9]+:
.*\t.cfi_.*
\t1:    call    mcount
.*
against: .LFB0:
        .cfi_startproc
        pushq   %rbp
        .cfi_def_cfa_offset 16
        .cfi_offset 6, -16
        movq    %rsp, %rbp
        .cfi_def_cfa_register 6
1:      call    mcount
        .section __mcount_loc, "a",@progbits
        .quad 1b
        .previous
        popq    %rbp
        .cfi_def_cfa 7, 8
        ret
        .cfi_endproc
.LFE0:

FAIL: gcc.target/i386/pr120936-4.c check-function-bodies foo
../configure --enable-languages=default,ada,obj-c++,lto,go,d,m2,cobol
--enable-checking=yes,rtl,extra --enable-libstdcxx-backtrace=yes