1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041213-2.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041213-2.c
new file mode 100644
index 000000000..212d6384b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041213-2.c
@@ -0,0 +1,32 @@
+/* PR tree-optimization/18694
+
+   The dominator optimization didn't take the PHI evaluation order
+   into account when threading an edge.  */
+
+extern void abort (void) __attribute__((noreturn));
+extern void exit (int) __attribute__((noreturn));
+
+void __attribute__((noinline))
+foo (int i)
+{
+  int next_n = 1;
+  int j = 0;
+
+  for (; i != 0; i--)
+    {
+      int n;
+
+      for (n = next_n; j < n; j++)
+	next_n++;
+
+      if (j != n)
+	abort ();
+    }
+}
+
+int
+main (void)
+{
+  foo (2);
+  exit (0);
+}