1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/specs/size_clause3.ads b/gcc/testsuite/gnat.dg/specs/size_clause3.ads
new file mode 100644
index 000000000..6a89114e4
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/specs/size_clause3.ads
@@ -0,0 +1,50 @@
+-- { dg-do compile }
+
+package Size_Clause3 is
+
+  -- The record inherits the alignment of Integer, which is 4, so
+  -- the real size is 64 instead of 40.
+  type R1 is record
+    I : Integer;
+    B : aliased Boolean;
+  end record;
+
+  -- That's not OK, the size of a component of type R1 cannot be 40.
+  type S1 is record
+    rr : R1; -- size must be 40
+  end record;
+  for S1 use record
+    rr at 0 range 0 .. 39;  -- { dg-error "size of .rr. with aliased or tagged component" }
+  end record;
+
+  -- The record is explicitly given alignment 1 so its real type is 40.
+  type R2 is record
+    I : Integer;
+    B : aliased Boolean;
+  end record;
+  for R2'Alignment use 1;
+
+  -- That's OK, the size of a component of type R2 can be 40.
+  type S2 is record
+    rr : R2; -- size must be 40
+  end record;
+  for S2 use record
+    rr at 0 range 0 .. 39;
+  end record;
+
+  -- The record is explicitly given alignment 4 so its real type is 64.
+  type R3 is record
+    I : Integer;
+    B : aliased Boolean;
+  end record;
+  for R3'Alignment use 4;
+
+  -- That's not OK, the size of a component of type R3 cannot be 40.
+  type S3 is record
+    rr : R3; -- size must be 40
+  end record;
+  for S3 use record
+    rr at 0 range 0 .. 39;  -- { dg-error "size of .rr. with aliased or tagged component" }
+  end record;
+
+end Size_Clause3;