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-rw-r--r--gcc/testsuite/c-c++-common/attr-aligned-1.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/attr-aligned-1.c b/gcc/testsuite/c-c++-common/attr-aligned-1.c
new file mode 100644
index 00000000000..671e86baeb6
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/attr-aligned-1.c
@@ -0,0 +1,24 @@
+/* PR c++/65690 */
+/* { dg-do run } */
+
+typedef double T[4][4] __attribute__((aligned (2 * __alignof__ (double))));
+void foo (const T);
+struct S { T s; };
+
+int
+main ()
+{
+ if (__alignof__ (struct S) != 2 * __alignof__ (double)
+ || __alignof__ (T) != 2 * __alignof__ (double)
+ || __alignof__ (const struct S) != 2 * __alignof__ (double)
+ || __alignof__ (const T) != 2 * __alignof__ (double))
+ __builtin_abort ();
+ return 0;
+}
+
+#if defined(__cplusplus) && __cplusplus >= 201103L
+static_assert (alignof (S) == 2 * alignof (double), "alignment of S");
+static_assert (alignof (T) == 2 * alignof (double), "alignment of T");
+static_assert (alignof (const S) == 2 * alignof (double), "alignment of const S");
+static_assert (alignof (const T) == 2 * alignof (double), "alignment of const T");
+#endif