[Bug middle-end/56490] [4.6/4.7/4.8 Regression] -Wall triggering infinite loop

[xinliangli at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56490

davidxl <xinliangli at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |xinliangli at gmail dot com

--- Comment #2 from davidxl <xinliangli at gmail dot com> 2013-03-01 22:45:48 UTC ---
The function has a control flow that post-dom chain is as long as 103. Limiting
the max post-dom walk length solve the problem.