Add regression test

gcc/testsuite
	PR ada/116551
	* gnat.dg/specs/vfa3.ads: New test.

diff --git a/gcc/testsuite/gnat.dg/specs/vfa3.ads b/gcc/testsuite/gnat.dg/specs/vfa3.ads
new file mode 100644 (file)
index 0000000..200e294
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/specs/vfa3.ads
@@ -0,0 +1,25 @@
+-- { dg-do compile }
+
+package VFA3 is
+
+   type Bit is mod 2**1
+     with Size => 1;
+
+   type Intr_Level_Field is record
+      Level_Low  : Bit := 0;
+      Level_High : Bit := 0;
+      Edge_Low   : Bit := 0;
+      Edge_High  : Bit := 0;
+   end record with Pack, Size => 4;
+   for Intr_Level_Field use record
+      Level_Low  at 0 range 0 .. 0;
+      Level_High at 0 range 1 .. 1;
+      Edge_Low   at 0 range 2 .. 2;
+      Edge_High  at 0 range 3 .. 3;
+   end record;
+
+   type Intr_Level_Cluster is array (0 .. 7) of Intr_Level_Field
+     with Volatile_Full_Access, Pack, Object_Size => 32;
+   --  There are 8 Fields in a 32-bit word.
+
+end VFA3;