From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; 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. --- .../gnat.dg/loop_unchecked_conversion.adb | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 gcc/testsuite/gnat.dg/loop_unchecked_conversion.adb (limited to 'gcc/testsuite/gnat.dg/loop_unchecked_conversion.adb') diff --git a/gcc/testsuite/gnat.dg/loop_unchecked_conversion.adb b/gcc/testsuite/gnat.dg/loop_unchecked_conversion.adb new file mode 100644 index 000000000..e87c415c5 --- /dev/null +++ b/gcc/testsuite/gnat.dg/loop_unchecked_conversion.adb @@ -0,0 +1,33 @@ +-- { dg-do compile } +-- { dg-options "-gnatws -O" } + +with Unchecked_Conversion; + +package body loop_unchecked_conversion is + + type Byte is mod 2**8; + + type List is array (Natural range <>) of Byte; + + subtype Integer_List is List (1 .. 4); + + function Integer_Down is new + Unchecked_Conversion (Source => Integer, Target => Integer_List); + + type Storage (Size : Integer) is + record + Data : List (1 .. Size); + end record; + + type Storage_Pointer is access Storage; + + The_Data_Storage : Storage_Pointer; + + procedure slice is + begin + for I in 0 .. 1 loop + The_Data_Storage.Data (I+1 .. I+4) := Integer_Down (I); + end loop; + end; + +end loop_unchecked_conversion; -- cgit v1.2.3