[Bug tree-optimization/108007] wrong code at -Os and above with "-fno-dce -fno-tree-dce" on x86_64-linux-gnu

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108007

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
#(insn:TI 36 66 40 8 (set (reg:CCGC 17 flags)
#        (compare:CCGC (mem:SI (const_int 0 [0]) [1 *removed_return.17_12(D)+0
S4 A32])
#            (reg:SI 1 dx [orig:83 b.0_5 ] [83]))) "/app/example.cpp":20:13 11
{*cmpsi_1}
#     (expr_list:REG_UNUSED (reg:CCGC 17 flags)
#        (nil)))
        cmpl    %edx, 0 # 36      [c=8 l=7]  *cmpsi_1/0