1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/attrib17.C b/gcc/testsuite/g++.dg/ext/attrib17.C
new file mode 100644
index 000000000..43cf264f5
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/attrib17.C
@@ -0,0 +1,19 @@
+// { dg-do compile }
+// Origin: Benjamin Kosnik <bkoz at gcc dot gnu dot org>
+// PR c++/17743: Attributes applied to typedefs.
+
+struct A {
+  typedef char layout_type[sizeof(double)]
+  __attribute__((aligned(__alignof__(double))));
+  layout_type data;
+};
+
+struct B {
+  typedef char layout_type[sizeof(double)];
+  layout_type data   __attribute__((aligned(__alignof__(double))));
+};
+
+template<bool> struct StaticAssert;
+template<> struct StaticAssert<true> {};
+
+StaticAssert<__alignof__(A) == __alignof__(B)> a1;