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[Bug bootstrap/44970] [4.6 regression] Revision 162270 failed to bootstrap
- From: "dave at hiauly1 dot hia dot nrc dot ca" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Aug 2010 19:26:02 -0000
- Subject: [Bug bootstrap/44970] [4.6 regression] Revision 162270 failed to bootstrap
- References: <bug-44970-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- 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