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-rw-r--r--gcc/testsuite/gnat.dg/mutable1.adb29
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/mutable1.adb b/gcc/testsuite/gnat.dg/mutable1.adb
new file mode 100644
index 000000000..274b52375
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/mutable1.adb
@@ -0,0 +1,29 @@
+-- { dg-do run }
+
+procedure mutable1 is
+
+ type Object (Valid : Boolean := False) is record
+ case Valid is
+ when True => Stamp : Natural;
+ when False => null;
+ end case;
+ end record;
+
+ function Dummy_Object (Should_Be_There : Boolean) Return Object is
+ begin
+ if not Should_Be_There then
+ raise Program_Error;
+ end if;
+ return Object'(Valid => False);
+ end;
+
+ procedure Check (Create_Dummy : Boolean) is
+ B : Boolean;
+ begin
+ B := Create_Dummy and then Dummy_Object (Create_Dummy).Valid;
+ end;
+
+begin
+ Check (Create_Dummy => False);
+ Check (Create_Dummy => True);
+end;