1 files changed, 66 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/oconst4.ads b/gcc/testsuite/gnat.dg/oconst4.ads
new file mode 100644
index 000000000..cde0935fe
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/oconst4.ads
@@ -0,0 +1,66 @@
+package OCONST4 is
+
+  type bit is (zero, one);
+  type u2 is mod 2**2;
+  type u5 is mod 2**5;
+  type u8 is mod 2**8;
+
+  type Base is record
+    f1 : bit;
+    f2 : u2;
+    f3 : u5;
+    f4 : u8;
+  end record;
+
+  for Base use record
+    f1 at 0 range  0 .. 0;
+    f2 at 0 range  1 .. 2;
+    f3 at 0 range  3 .. 7;
+    f4 at 1 range  0 .. 7;
+  end record;
+
+  type Derived is record
+    f1 : u5;
+    b  : Base;
+    f2 : bit;
+    f3 : u2;
+    f4 : u8;
+    i1 : Integer;
+    i2 : Integer;
+  end record;
+
+  for Derived use record
+    f1 at 0 range  0 ..  4;
+    b  at 0 range  5 .. 20;  -- unaligned HImode bitfield
+    f2 at 0 range 21 .. 21;
+    f3 at 0 range 22 .. 23;
+    f4 at 0 range 24 .. 31;
+    i1 at 4 range  0 .. 31;
+    i2 at 8 range  0 .. 31;
+  end record;
+
+  type R is record
+    u : u8;
+    d : Derived;
+  end record;
+
+  for R use record
+    u at 0 range 0 .. 7;
+    d at 1 range 0 .. 95;  -- BLKmode bitfield
+  end record;
+
+  My_R : constant R := (u=>1,
+                        d=>(f1=>17,
+                            b=>(f1=>one,
+                                f2=>2,
+                                f3=>17,
+                                f4=>42),
+                            f2=>one,
+                            f3=>1,
+                            f4=>111,
+                            i1=>2,
+                            i2=>3));
+
+  procedure check (arg : R);
+
+end;