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

3 files changed, 43 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 7445b0d..e871629 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+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:
diff --git a/gcc/testsuite/g++.dg/init/struct2.C b/gcc/testsuite/g++.dg/init/struct2.C
new file mode 100644
index 0000000..d7d07b5
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/struct2.C
@@ -0,0 +1,22 @@
+/* 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);
+}
diff --git a/gcc/testsuite/g++.dg/init/struct3.C b/gcc/testsuite/g++.dg/init/struct3.C
new file mode 100644
index 0000000..6b1805c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/struct3.C
@@ -0,0 +1,15 @@
+/* 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;