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Subject: [Bug rtl-optimization/51771] trans-mem: abnormal edges get lost or corrupted
Date: Mon, 04 Jun 2012 16:09:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51771

--- Comment #7 from Aldy Hernandez <aldyh at gcc dot gnu.org> 2012-06-04 16:08:30 UTC ---
(In reply to comment #4)
> Created attachment 27303 [details]
> RBTree microbenchmark test case
> 
> I believe that I'm seeing this in the RSTM suite's RBTree microbenchmark as
> well. It appears to be manifesting with the same symptoms as pr47530,
> _ITM_commitTransaction is generated as a tail call. An abort in
> _ITM_commitTransaction during multithreaded execution corrupts the stack slot
> that is used to hold a "time" value.

Luke, this is actually PR47530 and unrelated to this PR.  I am fixing it for
PR47530, and any further discussing will be in that PR.