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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/100393] [9/10/11/12 Regression] Very slow
 compilation of switch statement with thousands of cases
Date: Mon, 03 May 2021 13:37:01 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100393

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2
   Last reconfirmed|                            |2021-05-03
           Keywords|                            |compile-time-hog
          Component|c                           |tree-optimization
            Summary|Very slow compilation of    |[9/10/11/12 Regression]
                   |switch statement with       |Very slow compilation of
                   |thousands of cases          |switch statement with
                   |                            |thousands of cases
      Known to work|                            |8.4.0
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
      Known to fail|                            |11.1.0, 9.3.1
                 CC|                            |marxin at gcc dot gnu.org,
                   |                            |rguenth at gcc dot gnu.org
   Target Milestone|---                         |9.4

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed at -O0 and -O1+.=