Merge tree-ssa-20020619-branch into mainline.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81764 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 53 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030711-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030711-1.c
new file mode 100644
index 00000000000..eba207a25e5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030711-1.c
@@ -0,0 +1,53 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-dom3" } */
+ 
+
+union tree_node;
+typedef union tree_node *tree;
+struct tree_vec
+{
+          int length;
+            tree a[1];
+};
+struct tree_type
+{
+          tree binfo;
+};
+union tree_node
+{
+          struct tree_type type;
+            struct tree_vec vec;
+};
+
+void
+record_component_aliases (type)
+     tree type;
+{
+  int i;
+  if (4 >= type->type.binfo->vec.length)
+    abort ();
+  for (; i < ((
+                {
+                const tree __t = type->type.binfo;
+                if (4 >= __t->vec.length)
+                abort (); type->type.binfo->vec.a[4];}
+              )->vec.length);)
+    {
+      if (4 >= type->type.binfo->vec.length)
+        abort ();
+      blah ();
+    }
+}
+
+/* The call to blah can not be eliminated.  */
+/* { dg-final { scan-tree-dump-times "blah \\(\\)" 1 "dom3" } } */
+   
+/* There should be four IF conditionals.  */
+/* { dg-final { scan-tree-dump-times "if " 4 "dom3"} } */
+                                                                                
+/* There should be two loads of type.binfo.  */
+/* { dg-final { scan-tree-dump-times "type\\.binfo" 2 "dom3"} } */
+ 
+/* There should be four loads of vec.length.  */
+/* { dg-final { scan-tree-dump-times "vec.length" 4 "dom3"} } */
+