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[Bug ipa/68175] g++ 5.2.1 produces broken executables with devirtualization enabled
- From: "hubicka at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 10 Jan 2016 10:27:45 +0000
- Subject: [Bug ipa/68175] g++ 5.2.1 produces broken executables with devirtualization enabled
- Auto-submitted: auto-generated
- References: <bug-68175-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68175
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2016-01-10
CC| |hubicka at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #3 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
This testcase works for me on Debian both on mainline and g++ (GCC) 5.2.1
20151127
I fixed a similar bug so this may have been fixed by Richards backport:
2015-11-18 Richard Biener <rguenther@suse.de>
Backport from mainline
2015-11-07 Jan Hubicka <hubicka@ucw.cz>
PR ipa/68057
PR ipa/68220
* ipa-polymorphic-call.c
(ipa_polymorphic_call_context::restrict_to_inner_type): Fix ordering
issue when offset is out of range.
(contains_type_p): Fix out of range check, clear dynamic flag.
2015-10-23 Jan Hubicka <hubicka@ucw.cz>
PR ipa/pr67600
* ipa-polymorphic-call.c
(ipa_polymorphic_call_context::get_dynamic_type): Do not confuse
instance offset with offset of outer type.
2015-10-12 Richard Biener <rguenther@suse.de>
PR ipa/67783
* ipa-inline-analysis.c (estimate_function_body_sizes): Re-add
code that analyzes IVs on each stmt but in a cheaper way avoiding
quadratic behavior.
2015-10-11 Jan Hubicka <hubicka@ucw.cz>
PR ipa/67056
* ipa-polymorphic-call.c (possible_placement_new): If cur_offset
is negative we don't know the type.
(check_stmt_for_type_change): Skip constructors of non-polymorphic
types as those won't help devirutalization.
2015-08-11 Manuel LÃpez-IbÃÃez <manu@gcc.gnu.org>
PR c/66098
PR c/66711
* diagnostic.c (diagnostic_classify_diagnostic): Take -Werror into
account when deciding what was the command-line status.
Can you please re-test if it works with recent mainline and MingW?