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author | Dan Albert <danalbert@google.com> | 2016-02-24 13:48:45 -0800 |
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committer | Dan Albert <danalbert@google.com> | 2016-02-24 13:51:18 -0800 |
commit | b9de1157289455b0ca26daff519d4a0ddcd1fa13 (patch) | |
tree | 4c56cc0a34b91f17033a40a455f26652304f7b8d /gcc-4.8.3/gcc/testsuite/gnat.dg/unchecked_convert1.adb | |
parent | 098157a754787181cfa10e71325832448ddcea98 (diff) | |
download | toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.gz toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.bz2 toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.zip |
Update 4.8.1 to 4.8.3.
My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).
From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.
Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35
Diffstat (limited to 'gcc-4.8.3/gcc/testsuite/gnat.dg/unchecked_convert1.adb')
-rw-r--r-- | gcc-4.8.3/gcc/testsuite/gnat.dg/unchecked_convert1.adb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/testsuite/gnat.dg/unchecked_convert1.adb b/gcc-4.8.3/gcc/testsuite/gnat.dg/unchecked_convert1.adb new file mode 100644 index 000000000..eb63d59a8 --- /dev/null +++ b/gcc-4.8.3/gcc/testsuite/gnat.dg/unchecked_convert1.adb @@ -0,0 +1,32 @@ +-- { 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); + I : Integer; + +begin + I := Sum (A(1..8)); +end; |