Bug 1106171 - Add test case. r=me

js/src/jit-test/tests/ion/bug1106171-sink.js

@@ -0,0 +1,19 @@
+// |jit-test| --ion-sink=on
+// Sink Algorithm should not move instruction into merge blocks
+// which have no corresponding pc.
+
+setJitCompilerOption("ion.warmup.trigger", 30);
+
+var o = {
+  a : 40,
+  b : true
+};
+
+function f(a, b) {
+    do {
+        if (a == 0)
+          return;
+        a--;
+    } while (true || this ? o.a-- : true);
+}
+f(200000, 0);