obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 34 insertions, 0 deletions

diff --git a/gcc/testsuite/gnat.dg/unchecked_convert2.adb b/gcc/testsuite/gnat.dg/unchecked_convert2.adb
new file mode 100644
index 000000000..f542af7c3
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/unchecked_convert2.adb
@@ -0,0 +1,34 @@
+-- { dg-do run }
+
+with Ada.Unchecked_Conversion;
+with Ada.Streams; use Ada.Streams;
+with Ada.Text_IO; use Ada.Text_IO;
+
+procedure Unchecked_Convert2 is
+
+   subtype Day_Number is Integer range 0 .. 31;
+
+   subtype Byte_Array_Of_Integer is Stream_Element_Array
+     (1 .. Integer'Size / Stream_Element_Array'Component_Size);
+
+   function To_Byte_Array is
+      new Ada.Unchecked_Conversion (Integer, Byte_Array_Of_Integer);
+
+   Day_Now : Day_Number;
+   Pragma Volatile (Day_Now);
+
+   Arr : Stream_Element_Array (1 .. 12) := (others => 16#ff#);
+
+   procedure Test (Arr : Stream_Element_Array) is
+   begin
+      if Arr(5) /= 0 or Arr(6) /= 0 or Arr(7) /= 0 or Arr(8) /= 0 then
+         raise Program_Error;
+      end if;
+   end;
+
+begin
+   Day_Now := 0;
+   Arr (5 .. 8) := To_Byte_Array (Day_Now);
+   Test (Arr);
+   Arr (1) := 16#ff#;
+end Unchecked_Convert2;