[Bug rtl-optimization/118266] [15 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.cc:2591 by r15-5863-g5ab3f091b3eb42

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118266

--- Comment #15 from H.J. Lu <hjl.tools at gmail dot com> ---
ree generates:

(insn 155 27 139 2 (set (reg:DI 7 sp) 
        (reg:DI 6 bp)) "x.ii":14:17 discrim 1 -1
     (nil))

It restores SP from BP.