re PR c++/23180 (Segfault on const initializer with bogus pointer arithmetics)

        PR c++/23180
        * g++.dg/init/struct2.C: New test.
        * g++.dg/init/struct3.C: New test.

From-SVN: r104254

gcc/testsuite/ChangeLog

+2005-09-13 Josh Conner <jconner@apple.com>
+
+	PR c++/23180
+	* g++.dg/init/struct2.C: New test.
+	* g++.dg/init/struct3.C: New test.
+
 2005-09-13  Janis Johnson  <janis187@us.ibm.com>
 
 	* gcc.dg/pr15784-4.c, gcc.dg/pr20130-1.c, gcc.dg/ucnid-6.c:

gcc/testsuite/g++.dg/init/struct2.C

+/* PR c++/23180.  */
+/* Initialize a local structure with an expression that attempts to use
+   pointer arithmetic to calculate another structure field offset.  */
+
+void saveLoadEntries(const void *);
+
+void saveOrLoad() {
+    struct Track {
+        char soundName[15];
+    };
+    struct SaveLoadEntry {
+        int offs;
+        int type;
+        int size;
+    };    
+
+    SaveLoadEntry trackEntries = {
+	((long) (&((Track *) 42)->soundName[0])) - 42,
+        0, 1
+    };
+    saveLoadEntries(&trackEntries);
+}

gcc/testsuite/g++.dg/init/struct3.C

+/* PR c++/23180.  */
+/* Initialize a global variable with an expression that attempts to use
+   pointer arithmetic to calculate a structure field offset.  */
+
+struct Track {
+  char soundName[15];
+};
+
+struct SaveLoadEntry {
+  int offs;
+  int type;
+  int size;
+};    
+
+int foobar = ((long) (& ((Track *) 42)->soundName[0])) - 42;