From 660d764390a65a3ff54d6e93fd801d4f9138c7da Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Wed, 18 Mar 2015 23:31:11 +1100
Subject: [PATCH] remove loop check when aliasing breaks, continues etc - fixes
 #1051

---
 .../transformers/es6/block-scoping.js         |  4 ----
 .../es6-block-scoping/issue-1051/actual.js    | 14 ++++++++++++
 .../es6-block-scoping/issue-1051/expected.js  | 22 +++++++++++++++++++
 3 files changed, 36 insertions(+), 4 deletions(-)
 create mode 100644 test/fixtures/transformation/es6-block-scoping/issue-1051/actual.js
 create mode 100644 test/fixtures/transformation/es6-block-scoping/issue-1051/expected.js

diff --git a/src/babel/transformation/transformers/es6/block-scoping.js b/src/babel/transformation/transformers/es6/block-scoping.js
index 79eb0380c7..fadcd43544 100644
--- a/src/babel/transformation/transformers/es6/block-scoping.js
+++ b/src/babel/transformation/transformers/es6/block-scoping.js
@@ -527,10 +527,6 @@ class BlockScoping {
     }
 
     if (has.hasBreakContinue) {
-      if (!loop) {
-        throw new Error("Aren't in a loop and we're trying to reassign breaks and continues, something is going wrong here.");
-      }
-
       for (var key in has.map) {
         cases.push(t.switchCase(t.literal(key), [has.map[key]]));
       }
diff --git a/test/fixtures/transformation/es6-block-scoping/issue-1051/actual.js b/test/fixtures/transformation/es6-block-scoping/issue-1051/actual.js
new file mode 100644
index 0000000000..88d3593f2a
--- /dev/null
+++ b/test/fixtures/transformation/es6-block-scoping/issue-1051/actual.js
@@ -0,0 +1,14 @@
+foo.func1 = function() {
+  if (cond1) {
+    for (;;) {
+      if (cond2) {
+        function func2() {}
+        function func3() {}
+        func4(function() {
+          func2();
+        });
+        break;
+      }
+    }
+  }
+};
diff --git a/test/fixtures/transformation/es6-block-scoping/issue-1051/expected.js b/test/fixtures/transformation/es6-block-scoping/issue-1051/expected.js
new file mode 100644
index 0000000000..099a69bb6a
--- /dev/null
+++ b/test/fixtures/transformation/es6-block-scoping/issue-1051/expected.js
@@ -0,0 +1,22 @@
+"use strict";
+
+foo.func1 = function () {
+  if (cond1) {
+    for (;;) {
+      if (cond2) {
+        var _ret = (function () {
+          var func2 = function () {};
+
+          var func3 = function () {};
+
+          func4(function () {
+            func2();
+          });
+          return "break";
+        })();
+
+        if (_ret === "break") break;
+      }
+    }
+  }
+};