1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/opt26.adb b/gcc/testsuite/gnat.dg/opt26.adb
new file mode 100644
index 000000000..61f8b5b1e
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/opt26.adb
@@ -0,0 +1,37 @@
+-- { dg-do run }
+-- { dg-options "-gnato -O" }
+
+with Interfaces; use Interfaces;
+
+procedure Opt26 is
+
+   procedure Shift_Left_Bool
+     (Bool : in Boolean;
+      U8 : out Interfaces.Unsigned_8)
+   is
+   begin
+      U8 := Shift_Left (Boolean'Pos (Bool), 6);
+   end Shift_Left_Bool;
+
+   procedure Shift_Left_Not_Bool
+     (Bool : in Boolean;
+      U8 : out Interfaces.Unsigned_8)
+   is
+   begin
+      U8 := Shift_Left (Boolean'Pos (not Bool), 6);
+   end Shift_Left_Not_Bool;
+
+   Bool         : constant Boolean := True;
+   Byte1, Byte2 : Interfaces.Unsigned_8;
+
+begin
+
+   Shift_Left_Bool (Bool, Byte1);
+
+   Shift_Left_Not_Bool (Bool, Byte2);
+
+   if Byte1 + Byte2 /= 64 then
+     raise Program_Error;
+   end if;
+
+end;