[Bug rtl-optimization/103710] Missed optimization: common bit prefix/suffixes of multiple values

[jengelh at inai dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103710

--- Comment #2 from Jan Engelhardt <jengelh at inai dot de> ---
Created attachment 52001
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52001&action=edit
testcase