Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gnat.dg/unchecked_convert1.adb @ 143:76e1cf5455ef
add cbc_gc test
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sun, 23 Dec 2018 19:24:05 +0900 |
parents | 04ced10e8804 |
children |
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-- { dg-do run } -- { dg-options "-gnatws" } with Ada.Unchecked_Conversion; procedure Unchecked_Convert1 is type Byte is mod 2**8; type Stream is array (Natural range <>) of Byte; type Rec is record I1, I2 : Integer; end record; function Do_Sum (R : Rec) return Integer is begin return R.I1 + R.I2; end; function Sum (S : Stream) return Integer is subtype Chunk is Stream (1 .. Rec'Size / 8); function To_Chunk is new Ada.Unchecked_Conversion (Chunk, Rec); begin return Do_Sum (To_Chunk (S(S'First .. S'First + Rec'Size / 8 - 1))); end; A : Stream (1..9) := (others => 0); I : Integer; begin A (9) := 1; I := Sum (A(1..8)); end;