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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gnat.dg/unchecked_convert7.adb
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gnat.dg/unchecked_convert7.adb')
-rw-r--r--gcc-4.9/gcc/testsuite/gnat.dg/unchecked_convert7.adb36
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gnat.dg/unchecked_convert7.adb b/gcc-4.9/gcc/testsuite/gnat.dg/unchecked_convert7.adb
new file mode 100644
index 000000000..502459bba
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gnat.dg/unchecked_convert7.adb
@@ -0,0 +1,36 @@
+-- { dg-do compile }
+-- { dg-options "-g -gnatVa" }
+
+with Unchecked_Conversion;
+
+procedure Unchecked_Convert7 is
+
+ type BPA is array (1 .. 23) of Boolean;
+ pragma Pack (BPA);
+ for BPA'Size use 23;
+
+ subtype Byte is Natural range 0 .. 255;
+
+ type R is
+ record
+ S : Boolean;
+ E : Byte;
+ F : BPA;
+ end record;
+
+ for R use
+ record
+ S at 0 range 0 .. 0;
+ E at 0 range 1 .. 8;
+ F at 0 range 9 .. 31;
+ end record;
+ for R'Size use 32;
+
+ function Conversion
+ is new Unchecked_Conversion (Source => R, Target => Float);
+
+ F : Float := Conversion (R'(False, Byte'Last, (others => False)));
+
+begin
+ null;
+end;