[Bug ipa/97292] New: [11 Regression] dealII from SPECCPU 2016 no longer terminates after g:c34db4b6f8a5d80367c709309f9b00cb32630054

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97292

            Bug ID: 97292
           Summary: [11 Regression] dealII from SPECCPU 2016 no longer
                    terminates after
                    g:c34db4b6f8a5d80367c709309f9b00cb32630054
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tnfchris at gcc dot gnu.org
                CC: hubicka at gcc dot gnu.org, marxin at gcc dot gnu.org
  Target Milestone: ---
            Target: aarch64-none-linux-gnu

With just -Ofast the benchmark doesn't seem to ever terminate until it is
eventually killed.

With -Ofast -flto it seems to give a runtime error.

Tweaking various params gets you one of the above behavior.

Bisected to g:c34db4b6f8a5d80367c709309f9b00cb32630054