[Bug c++/85890] [7 Regression] cc1plus runs out of memory in recursive Fibonacci computation

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85890

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2
             Status|UNCONFIRMED                 |NEW
      Known to work|                            |6.4.0, 7.1.0, 7.2.0, 8.1.0
           Keywords|                            |compile-time-hog,
                   |                            |memory-hog, needs-bisection
   Last reconfirmed|                            |2018-05-24
     Ever confirmed|0                           |1
            Summary|cc1plus runs out of memory  |[7 Regression] cc1plus runs
                   |in recursive Fibonacci      |out of memory in recursive
                   |computation                 |Fibonacci computation
   Target Milestone|---                         |7.4
      Known to fail|                            |7.3.0, 7.3.1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  GCC 8 and GCC 6 finish this in 0.02s and with 21MB memory use.

It's a regression on the branch.