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pt.c (tsubst): Propagate the need for structural equality checks when...

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2007-01-04  Douglas Gregor  <doug.gregor@gmail.com>

	* pt.c (tsubst): Propagate the need for structural equality checks
	when reducing the level of template parameters.

From-SVN: r120483
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Douglas Gregor 2007-01-05 14:16:48 +00:00 committed by Doug Gregor
parent a4f77ff7d3
commit 3d761c462a
2 changed files with 7 additions and 0 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2007-01-05 Douglas Gregor <doug.gregor@gmail.com>
* pt.c (tsubst): Propagate the need for structural equality checks
when reducing the level of template parameters.
2007-01-03 Kazu Hirata <kazu@codesourcery.com>
* pt.c: Fix a comment typo.

2
gcc/cp/pt.c
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@ -7530,6 +7530,8 @@ tsubst (tree t, tree args, tsubst_flags_t complain, tree in_decl)
require structural equality checking to compare
TEMPLATE_TEMPLATE_PARMs. */
SET_TYPE_STRUCTURAL_EQUALITY (r);
else if (TYPE_STRUCTURAL_EQUALITY_P (t))
SET_TYPE_STRUCTURAL_EQUALITY (r);
else
TYPE_CANONICAL (r) = canonical_type_parameter (r);