[Bug middle-end/55152] MAX_EXPR(a,-a) is really ABS_EXPR(a)

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55152

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-10-31 20:18:58 UTC ---
Only if you ignore signed zeros and maybe even NaNs.