Patch backporting the fix has been posted to the mailing list:
http://gcc.gnu.org/ml/gcc-patches/2012-01/msg00300.html
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https://bugs.launchpad.net/bugs/910363
Title:
miscompile writing
(In reply to comment #3)
Where 4.6 says:
Candidate (2069): this
! Disqualifying this - Encountered a bit-field access.
which hints at what needs backporting.
Martin?
Right, this seems to be PR 45644, for some reason I did not backport
the fix to 4.5. It should be fixed by committing
Author: jamborm
Date: Mon Jan 9 18:40:09 2012
New Revision: 183023
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=183023
Log:
2012-01-09 Martin Jambor mjam...@suse.cz
PR tree-optimization/51759
Backport from mainline
2010-09-15 Martin Jambor mjam...@suse.cz
Author: jamborm
Date: Mon Jan 9 19:52:06 2012
New Revision: 183029
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=183029
Log:
2012-01-09 Martin Jambor mjam...@suse.cz
PR tree-optimization/51759
* g++.dg/ipa/pr51759.C: New test.
Added:
trunk/gcc/testsuite/g++.dg/ipa
Author: jamborm
Date: Mon Jan 9 20:03:08 2012
New Revision: 183031
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=183031
Log:
2012-01-09 Martin Jambor mjam...@suse.cz
PR tree-optimization/51759
* g++.dg/ipa/pr51759.C: New test.
Added:
branches/gcc-4_6-branch/gcc
I have backported the fix to the 4.5 branch and also committed the
testcase to the the 4.6 branch and trunk. Still it is a duplicate of PR
45644 and so I'm closing this as such.
*** This bug has been marked as a duplicate of bug 45644 ***
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I have reverted the patch causing this on the 4.6 branch. As far as
trunk is concerned, I'll track it in a duplicate of this bug, PR 50287.
*** This bug has been marked as a duplicate of bug 50287 ***
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Bugs, which is
Fixed on 4.8 as well.
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https://bugs.launchpad.net/bugs/1286343
Title:
mrpt triggers ICE on armf, powerpc, ppc64el at -O2 or higher
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Author: jamborm
Date: Wed Mar 26 13:47:46 2014
New Revision: 208844
URL: http://gcc.gnu.org/viewcvs?rev=208844root=gccview=rev
Log:
2014-03-26 Martin Jambor mjam...@suse.cz
PR ipa/60419
* ipa.c (symtab_remove_unreachable_nodes): Clear thunk and
alias flags of nodes
Author: jamborm
Date: Fri Mar 21 12:48:02 2014
New Revision: 208747
URL: http://gcc.gnu.org/viewcvs?rev=208747root=gccview=rev
Log:
2014-03-21 Martin Jambor mjam...@suse.cz
PR ipa/60419
* ipa.c (symtab_remove_unreachable_nodes): Clear thunk flag of nodes
in the border
Trunk patch posted to the mailing list:
http://gcc.gnu.org/ml/gcc-patches/2014-03/msg01078.html
4.8 will need some slightly modified variant, I'm still looking for the
best place to reset the flag there.
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Good job reducing the testcase to something this small!
Anyway, Jakub's analysis of what is going on is still correct and all
the high level decisions that we do are IMHO correct too. The
invocation of symtab_remove_unreachable_symbols that removes the
callers is called with before_inlining_p
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