[Bug tree-optimization/116758] [15 Regression] 25-40% binary size increase and up to 177% compile time increase for SPEC CPU wrf with Ofast since r15-3529-g506417dbc8b1cb

[pheeck at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116758

Filip Kastl <pheeck at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[15 Regression] 25-40%      |[15 Regression] 25-40%
                   |binary size increase and up |binary size increase and up
                   |to 177% compile time        |to 177% compile time
                   |increase for SPEC CPU wrf   |increase for SPEC CPU wrf
                   |with Ofast                  |with Ofast since
                   |                            |r15-3529-g506417dbc8b1cb
                 CC|                            |amacleod at redhat dot com

--- Comment #4 from Filip Kastl <pheeck at gcc dot gnu.org> ---
Bisected to r15-3529-g506417dbc8b1cb.  Cc-ing Andrew.

This is strange though.  Andrew's change is in VRP.  Is it possible that VRP
would generate so much more code?  Maybe VRP optimizations caused a different
pass to produce the excess code.