https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85897
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2018-05-24
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed. We can simply use the MAX of a range to do the compile-time
evaluation
(but only for compile-time equal result then optimize away the comparison).
For known-false compares we'd have to test all possible substrings.
