re PR middle-end/49732 (crash on terminal_interface-curses-menus.adb from ncurses with -gnato)

	PR middle-end/49732
	* tree.c (walk_tree_1) <DECL_EXPR>: Do not walk a pointed-to type.

From-SVN: r176371

2 files changed, 35 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6abed53..2e5683c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2011-07-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gnat.dg/pointer_controlled.adb: New test.
+
 2011-07-17  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/49624
diff --git a/gcc/testsuite/gnat.dg/pointer_controlled.adb b/gcc/testsuite/gnat.dg/pointer_controlled.adb
new file mode 100644
index 0000000..1d85b53
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/pointer_controlled.adb
@@ -0,0 +1,31 @@
+-- PR ada/49732
+-- Testcase by Vorfeed Canal
+
+-- { dg-do compile }
+-- { dg-options "-gnato" }
+
+with Interfaces.C; use Interfaces.C;
+with Interfaces.C.Strings; use Interfaces.C.Strings;
+with Interfaces.C.Pointers;
+
+procedure Pointer_Controlled is
+
+   function Create (Name : String) return size_t is
+
+      type Name_String is new char_array (0 .. Name'Length);
+      type Name_String_Ptr is access Name_String;
+      pragma Controlled (Name_String_Ptr);
+
+      Name_Str : constant Name_String_Ptr := new Name_String;
+      Name_Len : size_t;
+
+   begin
+      To_C (Name, Name_Str.all, Name_Len);
+      return 1;
+   end;
+
+   Test : size_t;
+
+begin
+   Test := Create("ABC");
+end;