1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/bug643805.js b/js/src/jit-test/tests/jaeger/bug643805.js
new file mode 100644
index 0000000000..14a9edb48d
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/bug643805.js
@@ -0,0 +1,50 @@
+function _tt_face_get_name() {
+    var __label__ = -1; 
+    var $rec;
+    var $n;
+    while(true) {
+        switch(__label__) {
+        case -1:
+            $rec=0;
+            $n=0;
+        case 0:
+            if ($rec == 20) {
+                __label__ = 2;
+                break;
+            }
+            var $63 = $n;
+            var $64 = $63 + 1;
+            $n = $64;
+            var $65 = $rec;
+            $rec = $rec + 1;
+            assertEq($64 < 30, true);
+            __label__ = 0;
+            break;
+        case 1:
+            $rec = 0;
+        case 2:
+            return;
+        }
+    }
+}
+_tt_face_get_name();
+
+/* Test tracking of lifetimes around backedges in nested loops. */
+function nested() {
+  var x = 100;
+  var i = 0;
+  while (i < 10) {
+    while (i < 10) {
+      i++;
+      if (x < 20)
+        break;
+      if (i > 10) {
+        x = 200;
+        i++;
+      }
+    }
+    if (i > 10)
+      x = 100;
+  }
+}
+nested();