1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20031106-4.c b/gcc/testsuite/gcc.dg/tree-ssa/20031106-4.c
new file mode 100644
index 000000000..d72788691
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20031106-4.c
@@ -0,0 +1,30 @@
+/* { dg-do compile } */ 
+/* { dg-options "-O1 -fdump-tree-optimized" } */
+
+extern void link_error (void);
+
+/* Check for cprop on fields of the same struct.  */
+
+struct s
+{
+  char d;
+  int a, b;
+  double m;
+};
+
+
+void foo (struct s*  r)
+{
+  r->a = 0;
+  r->b = 1;
+  r->a++;
+  r->b++;
+  if (r->a != 1)
+    link_error ();
+  if (r->b != 2)
+    link_error ();
+}
+
+/* There should be no link_error calls.  */
+/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */