[Bug tree-optimization/102622] [12 Regression] Wrong code with -O3 for skylake-avx512 and icelake-server by r12-3903

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102622

--- Comment #9 from H.J. Lu <hjl.tools at gmail dot com> ---
1. -fdbg-cnt=registered_jump_thread:19 passes.
2. -fdbg-cnt=registered_jump_thread:20 fails.
3. -fdbg-cnt=registered_jump_thread:1-20 fails.
4. -fdbg-cnt=registered_jump_thread:2-20 passes.