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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/20030807-7.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/20030807-7.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/20030807-7.c
new file mode 100644
index 000000000..f9f5fb798
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/20030807-7.c
@@ -0,0 +1,37 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-vrp1" } */
+
+extern void abort (void);
+
+union tree_node;
+typedef union tree_node *tree;
+struct tree_common
+{
+ int code;
+};
+struct tree_list
+{
+ tree purpose;
+};
+union tree_node
+{
+ struct tree_common common;
+ struct tree_list list;
+};
+void
+simplify_condition (cond_p)
+ tree *cond_p;
+{
+ tree decl;
+ tree cond = *cond_p;
+ if (cond->common.code != 42)
+ abort ();
+ decl = cond->list.purpose;
+ if (cond->common.code != 42)
+ abort ();
+ c_simplify_stmt (&decl);
+}
+
+/* There should be exactly one IF conditional. */
+/* { dg-final { scan-tree-dump-times "if " 1 "vrp1" } } */
+/* { dg-final { cleanup-tree-dump "vrp1" } } */