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PR ipa/61998 Fix crash -Wsuggest-final-types crash

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-Wsuggest-final-types crashes when used on mininal testcases.
Fix by bailing out early when odr_types_ptr is NULL in ipa_devirt()

2014-09-19  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR ipa/61998
        * ipa-devirt.c (ipa_devirt): Bail out if odr_types_ptr is NULL.

2014-09-19  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR ipa/61998
        * g++.dg/warn/Wsuggest-final-2.C: New testcase.

From-SVN: r215392
This commit is contained in:
Markus Trippelsdorf 2014-09-19 14:44:09 +00:00 committed by Markus Trippelsdorf
parent 5fd4bc9630
commit 4cd5658b60
4 changed files with 17 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2014-09-19 Markus Trippelsdorf <markus@trippelsdorf.de>
PR ipa/61998
* ipa-devirt.c (ipa_devirt): Bail out if odr_types_ptr is NULL.
2014-09-19 James Greenhalgh <james.greenhalgh@arm.com>
* doc/md.texi (Modifiers): Consistently use "read/write"

3
gcc/ipa-devirt.c
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@ -3952,6 +3952,9 @@ ipa_devirt (void)
int nmultiple = 0, noverwritable = 0, ndevirtualized = 0, nnotdefined = 0;
int nwrong = 0, nok = 0, nexternal = 0, nartificial = 0;
if (!odr_types_ptr)
return 0;
/* We can output -Wsuggest-final-methods and -Wsuggest-final-types warnings.
This is implemented by setting up final_warning_records that are updated
by get_polymorphic_call_targets.

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gcc/testsuite/ChangeLog
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2014-09-19 Markus Trippelsdorf <markus@trippelsdorf.de>
PR ipa/61998
* g++.dg/warn/Wsuggest-final-2.C: New testcase.
2014-09-19 Joost VandeVondele <vondele@gcc.gnu.org>
PR fortran/63152

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gcc/testsuite/g++.dg/warn/Wsuggest-final-2.C Normal file
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// PR ipa/61998
// { dg-do compile }
// { dg-options "-O2 -Wsuggest-final-types" }
int main () {}