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authorJason Merrill <jason@redhat.com>2019-05-07 18:37:14 -0400
committerJason Merrill <jason@gcc.gnu.org>2019-05-07 18:37:14 -0400
commit258195f165f69c31c953716ece6e0922b651cd5b (patch)
treebf05c52e5bf182e538ec540b4e9b0a437c9a2511 /gcc
parent76ddb9ebd9de3bc35f69f93a3e3769589d1b7d35 (diff)
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A non-type template parm with a placeholder type is type-dependent.
* pt.c (type_dependent_expression_p): A non-type template parm with a placeholder type is type-dependent. From-SVN: r270984
Diffstat (limited to 'gcc')
-rw-r--r--gcc/cp/ChangeLog5
-rw-r--r--gcc/cp/pt.c7
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index e974951..bd0914b 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2019-05-07 Jason Merrill <jason@redhat.com>
+
+ * pt.c (type_dependent_expression_p): A non-type template parm with
+ a placeholder type is type-dependent.
+
2019-05-06 Marek Polacek <polacek@redhat.com>
PR c++/90265 - ICE with generic lambda.
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 2f2066e..92b6710 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -25981,6 +25981,13 @@ type_dependent_expression_p (tree expression)
return false;
}
+ /* The type of a non-type template parm declared with a placeholder type
+ depends on the corresponding template argument, even though
+ placeholders are not normally considered dependent. */
+ if (TREE_CODE (expression) == TEMPLATE_PARM_INDEX
+ && is_auto (TREE_TYPE (expression)))
+ return true;
+
gcc_assert (TREE_CODE (expression) != TYPE_DECL);
/* Dependent type attributes might not have made it from the decl to