[Bug c/88481] -O1 causes optimizer to drop 'then' clause in conditional

[heinrich.seebauer at swistec dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88481

--- Comment #2 from Heinrich Seebauer <heinrich.seebauer at swistec dot de> ---
Created attachment 45227
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45227&action=edit
precompiled source of fsch.c