1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/gnat_malloc.adb b/gcc/testsuite/gnat.dg/gnat_malloc.adb
new file mode 100644
index 000000000..7e8d6140b
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/gnat_malloc.adb
@@ -0,0 +1,25 @@
+-- { dg-do run }
+-- { dg-options "-O2" }
+
+with Unchecked_Conversion;
+
+procedure gnat_malloc is
+
+   type int1 is new integer;
+   type int2 is new integer;
+   type a1 is access int1;
+   type a2 is access int2;
+
+   function to_a2 is new Unchecked_Conversion (a1, a2);
+
+   v1 : a1 := new int1;
+   v2 : a2 := to_a2 (v1);
+
+begin
+   v1.all := 1;
+   v2.all := 0;
+
+   if v1.all /= 0 then
+      raise Program_Error;
+   end if;
+end;