[Bug tree-optimization/71034] abs(f) u>= 0. is always true

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71034

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-05-10
     Ever confirmed|0                           |1

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
abs(x) < 0 is optimized via fold as forwprop still combines comparisons with
def stmts using fold ... :/  (I've not got to instrumenting it catching
missing cases that need to be moved from fold-const.c to match.pd)