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, 52 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040209-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040209-1.c
new file mode 100644
index 00000000000..087715322b7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040209-1.c
@@ -0,0 +1,52 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -Wuninitialized" } */
+
+typedef union tree_node *tree;
+
+struct tree_common
+{
+  tree chain;
+};
+
+struct tree_decl
+{
+  struct tree_common common;
+  tree name;
+};
+
+
+union tree_node
+{
+  struct tree_common common;
+  struct tree_decl decl;
+};
+
+int pedantic;
+
+void
+finish_struct (tree t, tree fieldlist, tree attributes)
+{
+  union tree_node * x;
+
+  if (pedantic)
+    {
+      x = fieldlist;
+      if (x->decl.name == 0)
+	{
+	  while (x)
+	    x = x->common.chain;
+	  foo (fieldlist);
+	}
+    }
+
+  x = fieldlist;
+  if (x)
+    {
+      do
+	{
+	  x = x->common.chain;
+	} while (x != 0);
+    }
+  
+  bar1 (&fieldlist);
+}