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Fix fallout of -fsanitize=vptr.

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2017-11-15  Martin Liska  <mliska@suse.cz>

	* decl.c (begin_destructor_body): Use cp_build_fold_indirect_ref
	instead of cp_build_indirect_ref.

From-SVN: r254765
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Martin Liska 2017-11-15 13:40:07 +01:00 committed by Martin Liska
parent 134d23547e
commit 86a9e73837
2 changed files with 6 additions and 2 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2017-11-15 Martin Liska <mliska@suse.cz>
* decl.c (begin_destructor_body): Use cp_build_fold_indirect_ref
instead of cp_build_indirect_ref.
2017-11-15 Martin Liska <mliska@suse.cz>
* decl.c (begin_destructor_body): In case of VPTR sanitization

3
gcc/cp/decl.c
View File

@ -15253,8 +15253,7 @@ begin_destructor_body (void)
{
tree binfo = TYPE_BINFO (current_class_type);
tree ref
= cp_build_indirect_ref (current_class_ptr, RO_NULL,
tf_warning_or_error);
= cp_build_fold_indirect_ref (current_class_ptr);
tree vtbl_ptr = build_vfield_ref (ref, TREE_TYPE (binfo));
tree vtbl = build_zero_cst (TREE_TYPE (vtbl_ptr));