1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/misaligned_volatile.adb b/gcc/testsuite/gnat.dg/misaligned_volatile.adb
new file mode 100644
index 00000000000..c76975b3ecd
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/misaligned_volatile.adb
@@ -0,0 +1,28 @@
+-- { dg-do run }
+-- { dg-options "-gnatp -fstrict-volatile-bitfields" }
+
+procedure Misaligned_Volatile is
+
+   type Byte is mod 2**8;
+
+   type Block is record
+      B : Boolean;
+      V : Byte;
+   end record;
+   pragma Volatile (Block);
+   pragma Pack (Block);
+   for Block'Alignment use 1;
+
+   type Pair is array (1 .. 2) of Block;
+
+   P : Pair;
+begin
+   for K in P'Range loop
+      P(K).V := 237;
+   end loop;
+   for K in P'Range loop
+      if P(K).V /= 237 then
+         raise Program_error;
+      end if;
+   end loop;
+end;