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authorMarek Polacek <polacek@redhat.com>2017-04-18 09:34:10 +0000
committerMarek Polacek <mpolacek@gcc.gnu.org>2017-04-18 09:34:10 +0000
commitbe7c73ae358319c5f9541f2e2f7a5dc37ec0e116 (patch)
treee0ecb87b01659509015227635ef8f0bd1b112bf7 /gcc
parent6397118495f65a03a0d13114cf2c72d4a66f9cb1 (diff)
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PR c++/80244 - ICE with attribute in template alias.
* tree.c (strip_typedefs): Handle UNDERLYING_TYPE. * g++.dg/cpp0x/alias-decl-59.C: New test. From-SVN: r246962
Diffstat (limited to 'gcc')
-rw-r--r--gcc/cp/ChangeLog5
-rw-r--r--gcc/cp/tree.c4
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/cpp0x/alias-decl-59.C11
4 files changed, 25 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 3d36c6b..3f87d71 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2017-04-18 Marek Polacek <polacek@redhat.com>
+
+ PR c++/80244 - ICE with attribute in template alias.
+ * tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
+
2017-04-17 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/80287
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index a1455c2..f1b0a57 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -1551,6 +1551,10 @@ strip_typedefs (tree t, bool *remove_attributes)
DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P (t),
tf_none));
break;
+ case UNDERLYING_TYPE:
+ type = strip_typedefs (UNDERLYING_TYPE_TYPE (t), remove_attributes);
+ result = finish_underlying_type (type);
+ break;
default:
break;
}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6f9932a..ca0717e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-04-18 Marek Polacek <polacek@redhat.com>
+
+ PR c++/80244 - ICE with attribute in template alias.
+ * g++.dg/cpp0x/alias-decl-59.C: New test.
+
2017-04-17 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/80287
diff --git a/gcc/testsuite/g++.dg/cpp0x/alias-decl-59.C b/gcc/testsuite/g++.dg/cpp0x/alias-decl-59.C
new file mode 100644
index 0000000..1f5e94f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/alias-decl-59.C
@@ -0,0 +1,11 @@
+// PR c++/80244
+// { dg-do compile { target c++11 } }
+
+template<typename>
+struct A {};
+
+template<typename T>
+using B = A<__underlying_type(T) [[gnu::aligned(4)]]>; // { dg-warning "ignoring attributes on template argument" }
+
+template<typename T>
+using B = A<__underlying_type(T) [[gnu::packed]]>; // { dg-warning "ignoring attributes on template argument" }