diff options
Diffstat (limited to 'gcc/testsuite/gnat.dg/renaming2.adb')
-rw-r--r-- | gcc/testsuite/gnat.dg/renaming2.adb | 61 |
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; |