[Bug tree-optimization/88011] [9 regression] r266028 causes a bunch of go failures

[ian at airs dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88011

--- Comment #7 from Ian Lance Taylor <ian at airs dot com> ---
Created attachment 45018
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45018&action=edit
Standalone test case

Here is somewhat smaller standalone test case.  Looking at assembly
differences, it looks like the miscompilation is in lehmerGCD.