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authordgregor <dgregor@138bc75d-0d04-0410-961f-82ee72b054a4>2007-01-05 14:16:48 +0000
committerdgregor <dgregor@138bc75d-0d04-0410-961f-82ee72b054a4>2007-01-05 14:16:48 +0000
commit11b0d70e4f4dbc5a4cd87fd68ad258ae13916753 (patch)
tree574bda8fb9b87aab5e94dafad0b0aaba37eff28d
parent7cb4612262d6c7e32b79796a02726a62eccf6c97 (diff)
downloadppe42-gcc-11b0d70e4f4dbc5a4cd87fd68ad258ae13916753.tar.gz
ppe42-gcc-11b0d70e4f4dbc5a4cd87fd68ad258ae13916753.zip
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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120483 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/cp/ChangeLog5
-rw-r--r--gcc/cp/pt.c2
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 7a370367c42..79dce7482ac 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -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.
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index c1fc2ad4f46..787cd60b060 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -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);
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