summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gnat.dg/renaming2.adb
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gnat.dg/renaming2.adb')
-rw-r--r--gcc/testsuite/gnat.dg/renaming2.adb61
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/renaming2.adb b/gcc/testsuite/gnat.dg/renaming2.adb
new file mode 100644
index 000000000..0ec89c2f3
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/renaming2.adb
@@ -0,0 +1,61 @@
+-- { dg-do run }
+-- { dg-options "-gnatws" }
+
+with Text_IO;
+procedure renaming2 is
+ type RealNodeData;
+ type RefRealNodeData is access RealNodeData;
+
+ type ExpressionEntry;
+ type RefExpression is access ExpressionEntry;
+
+ type RefDefUseEntry is access Natural;
+
+ type ExpressionEntry is
+ record
+ Number : RefDefUseEntry;
+ Id : Integer;
+ end record;
+
+ type RealNodeData is
+ record
+ Node : RefExpression;
+ Id : Integer;
+ end record;
+
+ for ExpressionEntry use
+ record
+ Number at 0 range 0 .. 63;
+ Id at 8 range 0 .. 31;
+ end record ;
+
+ for RealNodeData use
+ record
+ Node at 0 range 0 .. 63;
+ Id at 8 range 0 .. 31;
+ end record ;
+
+ U_Node : RefDefUseEntry := new Natural'(1);
+ E_Node : RefExpression := new ExpressionEntry'(Number => U_Node,
+ Id => 2);
+ R_Node : RefRealNodeData := new RealNodeData'(Node => E_Node,
+ Id => 3);
+
+ procedure test_routine (NodeRealData : RefRealNodeData)
+ is
+ OldHead : RefDefUseEntry renames NodeRealData.all.Node.all.Number;
+ OldHead1 : constant RefDefUseEntry := OldHead;
+ begin
+ NodeRealData.all.Node := new ExpressionEntry'(Number => null, Id => 4);
+ declare
+ OldHead2 : constant RefDefUseEntry := OldHead;
+ begin
+ if OldHead1 /= OldHead2
+ then
+ Text_IO.Put_Line (" OldHead changed !!!");
+ end if;
+ end;
+ end;
+begin
+ test_routine (R_Node);
+end;