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re PR lto/84805 (ICE in get_odr_type, at ipa-devirt.c:2096 since r258133) 

PR lto/84805
	* ipa-devirt.c (odr_subtypes_equivalent_p): Do not get the ODR type of
	incomplete types.

From-SVN: r258481
This commit is contained in:
Eric Botcazou 2018-03-13 10:04:51 +00:00 committed by Eric Botcazou
parent 0dbacfcfad
commit 59a8062a6a
2 changed files with 10 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-03-13 Eric Botcazou <ebotcazou@adacore.com>
PR lto/84805
* ipa-devirt.c (odr_subtypes_equivalent_p): Do not get the ODR type of
incomplete types.
2018-03-13 Martin Liska <mliska@suse.cz>
PR ipa/84658.

6
gcc/ipa-devirt.c
View File

@ -656,7 +656,7 @@ set_type_binfo (tree type, tree binfo)
gcc_assert (!TYPE_BINFO (type));
}
/* Compare T2 and T2 based on name or structure. */
/* Compare T1 and T2 based on name or structure. */
static bool
odr_subtypes_equivalent_p (tree t1, tree t2,
@ -678,7 +678,7 @@ odr_subtypes_equivalent_p (tree t1, tree t2,
return false;
/* For ODR types be sure to compare their names.
To support -wno-odr-type-merging we allow one type to be non-ODR
To support -Wno-odr-type-merging we allow one type to be non-ODR
and other ODR even though it is a violation. */
if (types_odr_comparable (t1, t2, true))
{
@ -690,6 +690,8 @@ odr_subtypes_equivalent_p (tree t1, tree t2,
therefore which call will report the ODR violation, if any. */
if (!odr_type_p (t1)
|| !odr_type_p (t2)
|| !COMPLETE_TYPE_P (t1)
|| !COMPLETE_TYPE_P (t2)
|| (!get_odr_type (t1, true)->odr_violated
&& !get_odr_type (t2, true)->odr_violated))
return true;