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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/20030728-1.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030728-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030728-1.c
new file mode 100644
index 000000000..f884736a1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030728-1.c
@@ -0,0 +1,47 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-rtl-expand-details" } */
+
+
+union tree_node;
+typedef union tree_node *tree;
+
+enum tree_code
+{
+ ARRAY_TYPE,
+ LAST_AND_UNUSED_TREE_CODE
+};
+
+struct tree_common
+{
+ enum tree_code code:8;
+};
+
+
+
+
+
+union tree_node
+{
+ struct tree_common common;
+};
+
+
+
+
+int
+objects_must_conflict_p (t1, t2)
+ tree t1, t2;
+{
+
+ if ((t1->common.code == ARRAY_TYPE) != (t2
+ && t2->common.code == ARRAY_TYPE))
+ return 11;
+
+
+ return foo (t2 ? get_alias_set (t2) : 0);
+}
+
+/* There should be two assignments of variables to the value zero. */
+/* { dg-final { scan-rtl-dump-times "PART.. = 0" 2 "expand"} } */
+
+/* { dg-final { cleanup-rtl-dump "expand" } } */