misc.c (gnat_printable_name): Always return a copy in GC memory.

	* gcc-interface/misc.c (gnat_printable_name): Always return a copy
	in GC memory.

From-SVN: r141638

gcc/ada/ChangeLog

 2008-11-06  Eric Botcazou  <ebotcazou@adacore.com>
 
+	* gcc-interface/misc.c (gnat_printable_name): Always return a copy
+	in GC memory.
+
+2008-11-06  Eric Botcazou  <ebotcazou@adacore.com>
+
 	PR ada/19419
 	* gcc-interface/trans.c (gnat_to_gnu) <N_Assignment_Statement>:
 	Generate a call to memmove for an assignment between overlapping

gcc/ada/gcc-interface/misc.c

@@ -603,10 +603,10 @@ gnat_printable_name (tree decl, int verbosity)
   if (verbosity == 2)
     {
       Set_Identifier_Casing (ada_name, (char *) DECL_SOURCE_FILE (decl));
-      ada_name = Name_Buffer;
+      return ggc_strdup (Name_Buffer);
     }
-
-  return (const char *) ada_name;
+  else
+    return ada_name;
 }
 
 /* Expands GNAT-specific GCC tree nodes.  The only ones we support