optimization/6798: [3.2/3.3/3.4 regression] very long compile time with large case-statement

[Volker Reichelt]

On 11 Mar, Steven Bosscher wrote:
> http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6798
> 
> Volker, you said you saw this on Linux?  I don't see this bug on 
> i586-linux,
> so I hope you can confirm this so we can close this PR, or else we 
> should try
> to find out if this is a target-specific problem.
> 
> Greetz
> Steven

Sorry, but that was Wolfgang and not me (I just put the code into an
attachment):

| State-Changed-From-To: feedback->open
| State-Changed-By: reichelt
| State-Changed-When: Wed Jan 15 02:18:06 2003
| State-Changed-Why:
|     Attachment received.
| State-Changed-From-To: open->analyzed
| State-Changed-By: bangerth
| State-Changed-When: Wed Jan 15 08:27:38 2003
| State-Changed-Why:
|     I can also reproduce this on a Linux machine. The testcase
|     is basically an enormous yacc-generated switch-statement, 
|     with about 2000 cases and a lot of cross-jumping. I killed
|    the compilation after about 10 minutes.

Regards,
Volker