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[Bug bootstrap/44970] [4.6 regression] Revision 162270 failed to bootstrap



------- Comment #57 from dave at hiauly1 dot hia dot nrc dot ca  2010-08-05 19:26 -------
Subject: Re:  [4.6 regression] Revision 162270 failed
        to bootstrap

On Thu, 05 Aug 2010, bernds at gcc dot gnu dot org wrote:

> If you could experiment with passing -fdbg-cnt=bug:N to the compiler, where N
> is an integer value, using a binary search you should arrive relatively quickly
> at a value of N where the generated code is OK for N but fails for N + 1. 
> Then, could you attach good/bad assembly files and debug dumps?  Just the
> .expand, .combine and .ira dumps initially would be helpful if we want to save
> disk space here.

Failure occurs for N = 0.  N = 1 compiles successfully.  Attached files.

Dave


------- Comment #58 from dave at hiauly1 dot hia dot nrc dot ca  2010-08-05 19:26 -------
Created an attachment (id=21403)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21403&action=view)


------- Comment #59 from dave at hiauly1 dot hia dot nrc dot ca  2010-08-05 19:26 -------
Created an attachment (id=21404)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21404&action=view)


------- Comment #60 from dave at hiauly1 dot hia dot nrc dot ca  2010-08-05 19:26 -------
Created an attachment (id=21405)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21405&action=view)


------- Comment #61 from dave at hiauly1 dot hia dot nrc dot ca  2010-08-05 19:26 -------
Created an attachment (id=21406)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21406&action=view)


------- Comment #62 from dave at hiauly1 dot hia dot nrc dot ca  2010-08-05 19:26 -------
Created an attachment (id=21407)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21407&action=view)


------- Comment #63 from dave at hiauly1 dot hia dot nrc dot ca  2010-08-05 19:26 -------
Created an attachment (id=21408)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21408&action=view)


------- Comment #64 from dave at hiauly1 dot hia dot nrc dot ca  2010-08-05 19:26 -------
Created an attachment (id=21409)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21409&action=view)


------- Comment #65 from dave at hiauly1 dot hia dot nrc dot ca  2010-08-05 19:26 -------
Created an attachment (id=21410)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21410&action=view)


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44970


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