diff --git a/tests/baselines/reference/iteratorSpreadInArray.js b/tests/baselines/reference/iteratorSpreadInArray.js
new file mode 100644
index 00000000000..ae1a2c5916c
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray.js
@@ -0,0 +1,31 @@
+//// [iteratorSpreadInArray.ts]
+var array = [...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [iteratorSpreadInArray.js]
+var array = [
+    ...new SymbolIterator
+];
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray.types b/tests/baselines/reference/iteratorSpreadInArray.types
new file mode 100644
index 00000000000..13b1a458eb9
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray.types
@@ -0,0 +1,37 @@
+=== tests/cases/conformance/es6/spread/iteratorSpreadInArray.ts ===
+var array = [...new SymbolIterator];
+>array : symbol[]
+>[...new SymbolIterator] : symbol[]
+>...new SymbolIterator : symbol
+>new SymbolIterator : SymbolIterator
+>SymbolIterator : typeof SymbolIterator
+
+class SymbolIterator {
+>SymbolIterator : SymbolIterator
+
+    next() {
+>next : () => { value: symbol; done: boolean; }
+
+        return {
+>{            value: Symbol(),            done: false        } : { value: symbol; done: boolean; }
+
+            value: Symbol(),
+>value : symbol
+>Symbol() : symbol
+>Symbol : SymbolConstructor
+
+            done: false
+>done : boolean
+
+        };
+    }
+
+    [Symbol.iterator]() {
+>Symbol.iterator : symbol
+>Symbol : SymbolConstructor
+>iterator : symbol
+
+        return this;
+>this : SymbolIterator
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray10.errors.txt b/tests/baselines/reference/iteratorSpreadInArray10.errors.txt
new file mode 100644
index 00000000000..90cde7d03b1
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray10.errors.txt
@@ -0,0 +1,13 @@
+tests/cases/conformance/es6/spread/iteratorSpreadInArray10.ts(1,17): error TS2489: An iterator must have a 'next()' method.
+
+
+==== tests/cases/conformance/es6/spread/iteratorSpreadInArray10.ts (1 errors) ====
+    var array = [...new SymbolIterator];
+                    ~~~~~~~~~~~~~~~~~~
+!!! error TS2489: An iterator must have a 'next()' method.
+    
+    class SymbolIterator {
+        [Symbol.iterator]() {
+            return this;
+        }
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/iteratorSpreadInArray10.js b/tests/baselines/reference/iteratorSpreadInArray10.js
new file mode 100644
index 00000000000..c33d7e8a015
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray10.js
@@ -0,0 +1,18 @@
+//// [iteratorSpreadInArray10.ts]
+var array = [...new SymbolIterator];
+
+class SymbolIterator {
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [iteratorSpreadInArray10.js]
+var array = [
+    ...new SymbolIterator
+];
+class SymbolIterator {
+    [Symbol.iterator]() {
+        return this;
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray2.js b/tests/baselines/reference/iteratorSpreadInArray2.js
new file mode 100644
index 00000000000..4589d9bb904
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray2.js
@@ -0,0 +1,56 @@
+//// [iteratorSpreadInArray2.ts]
+var array = [...new NumberIterator, ...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+class NumberIterator {
+    next() {
+        return {
+            value: 0,
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [iteratorSpreadInArray2.js]
+var array = [
+    ...new NumberIterator,
+    ...new SymbolIterator
+];
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+class NumberIterator {
+    next() {
+        return {
+            value: 0,
+            done: false
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray2.types b/tests/baselines/reference/iteratorSpreadInArray2.types
new file mode 100644
index 00000000000..3cb27445f57
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray2.types
@@ -0,0 +1,68 @@
+=== tests/cases/conformance/es6/spread/iteratorSpreadInArray2.ts ===
+var array = [...new NumberIterator, ...new SymbolIterator];
+>array : (number | symbol)[]
+>[...new NumberIterator, ...new SymbolIterator] : (number | symbol)[]
+>...new NumberIterator : number
+>new NumberIterator : NumberIterator
+>NumberIterator : typeof NumberIterator
+>...new SymbolIterator : symbol
+>new SymbolIterator : SymbolIterator
+>SymbolIterator : typeof SymbolIterator
+
+class SymbolIterator {
+>SymbolIterator : SymbolIterator
+
+    next() {
+>next : () => { value: symbol; done: boolean; }
+
+        return {
+>{            value: Symbol(),            done: false        } : { value: symbol; done: boolean; }
+
+            value: Symbol(),
+>value : symbol
+>Symbol() : symbol
+>Symbol : SymbolConstructor
+
+            done: false
+>done : boolean
+
+        };
+    }
+
+    [Symbol.iterator]() {
+>Symbol.iterator : symbol
+>Symbol : SymbolConstructor
+>iterator : symbol
+
+        return this;
+>this : SymbolIterator
+    }
+}
+
+class NumberIterator {
+>NumberIterator : NumberIterator
+
+    next() {
+>next : () => { value: number; done: boolean; }
+
+        return {
+>{            value: 0,            done: false        } : { value: number; done: boolean; }
+
+            value: 0,
+>value : number
+
+            done: false
+>done : boolean
+
+        };
+    }
+
+    [Symbol.iterator]() {
+>Symbol.iterator : symbol
+>Symbol : SymbolConstructor
+>iterator : symbol
+
+        return this;
+>this : NumberIterator
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray3.js b/tests/baselines/reference/iteratorSpreadInArray3.js
new file mode 100644
index 00000000000..b9eac64b29f
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray3.js
@@ -0,0 +1,35 @@
+//// [iteratorSpreadInArray3.ts]
+var array = [...[0, 1], ...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [iteratorSpreadInArray3.js]
+var array = [
+    ...[
+        0,
+        1
+    ],
+    ...new SymbolIterator
+];
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray3.types b/tests/baselines/reference/iteratorSpreadInArray3.types
new file mode 100644
index 00000000000..e5c25daabc7
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray3.types
@@ -0,0 +1,39 @@
+=== tests/cases/conformance/es6/spread/iteratorSpreadInArray3.ts ===
+var array = [...[0, 1], ...new SymbolIterator];
+>array : (number | symbol)[]
+>[...[0, 1], ...new SymbolIterator] : (number | symbol)[]
+>...[0, 1] : number
+>[0, 1] : number[]
+>...new SymbolIterator : symbol
+>new SymbolIterator : SymbolIterator
+>SymbolIterator : typeof SymbolIterator
+
+class SymbolIterator {
+>SymbolIterator : SymbolIterator
+
+    next() {
+>next : () => { value: symbol; done: boolean; }
+
+        return {
+>{            value: Symbol(),            done: false        } : { value: symbol; done: boolean; }
+
+            value: Symbol(),
+>value : symbol
+>Symbol() : symbol
+>Symbol : SymbolConstructor
+
+            done: false
+>done : boolean
+
+        };
+    }
+
+    [Symbol.iterator]() {
+>Symbol.iterator : symbol
+>Symbol : SymbolConstructor
+>iterator : symbol
+
+        return this;
+>this : SymbolIterator
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray4.js b/tests/baselines/reference/iteratorSpreadInArray4.js
new file mode 100644
index 00000000000..22571495f05
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray4.js
@@ -0,0 +1,33 @@
+//// [iteratorSpreadInArray4.ts]
+var array = [0, 1, ...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [iteratorSpreadInArray4.js]
+var array = [
+    0,
+    1,
+    ...new SymbolIterator
+];
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray4.types b/tests/baselines/reference/iteratorSpreadInArray4.types
new file mode 100644
index 00000000000..790fc9db1ba
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray4.types
@@ -0,0 +1,37 @@
+=== tests/cases/conformance/es6/spread/iteratorSpreadInArray4.ts ===
+var array = [0, 1, ...new SymbolIterator];
+>array : (number | symbol)[]
+>[0, 1, ...new SymbolIterator] : (number | symbol)[]
+>...new SymbolIterator : symbol
+>new SymbolIterator : SymbolIterator
+>SymbolIterator : typeof SymbolIterator
+
+class SymbolIterator {
+>SymbolIterator : SymbolIterator
+
+    next() {
+>next : () => { value: symbol; done: boolean; }
+
+        return {
+>{            value: Symbol(),            done: false        } : { value: symbol; done: boolean; }
+
+            value: Symbol(),
+>value : symbol
+>Symbol() : symbol
+>Symbol : SymbolConstructor
+
+            done: false
+>done : boolean
+
+        };
+    }
+
+    [Symbol.iterator]() {
+>Symbol.iterator : symbol
+>Symbol : SymbolConstructor
+>iterator : symbol
+
+        return this;
+>this : SymbolIterator
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray5.errors.txt b/tests/baselines/reference/iteratorSpreadInArray5.errors.txt
new file mode 100644
index 00000000000..498cc7d48ef
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray5.errors.txt
@@ -0,0 +1,24 @@
+tests/cases/conformance/es6/spread/iteratorSpreadInArray5.ts(1,5): error TS2322: Type '(number | symbol)[]' is not assignable to type 'number[]'.
+  Type 'number | symbol' is not assignable to type 'number'.
+    Type 'symbol' is not assignable to type 'number'.
+
+
+==== tests/cases/conformance/es6/spread/iteratorSpreadInArray5.ts (1 errors) ====
+    var array: number[] = [0, 1, ...new SymbolIterator];
+        ~~~~~
+!!! error TS2322: Type '(number | symbol)[]' is not assignable to type 'number[]'.
+!!! error TS2322:   Type 'number | symbol' is not assignable to type 'number'.
+!!! error TS2322:     Type 'symbol' is not assignable to type 'number'.
+    
+    class SymbolIterator {
+        next() {
+            return {
+                value: Symbol(),
+                done: false
+            };
+        }
+    
+        [Symbol.iterator]() {
+            return this;
+        }
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/iteratorSpreadInArray5.js b/tests/baselines/reference/iteratorSpreadInArray5.js
new file mode 100644
index 00000000000..b5e4c95d22b
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray5.js
@@ -0,0 +1,33 @@
+//// [iteratorSpreadInArray5.ts]
+var array: number[] = [0, 1, ...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [iteratorSpreadInArray5.js]
+var array = [
+    0,
+    1,
+    ...new SymbolIterator
+];
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray6.errors.txt b/tests/baselines/reference/iteratorSpreadInArray6.errors.txt
new file mode 100644
index 00000000000..b90ac5f203c
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray6.errors.txt
@@ -0,0 +1,21 @@
+tests/cases/conformance/es6/spread/iteratorSpreadInArray6.ts(2,14): error TS2345: Argument of type 'symbol[]' is not assignable to parameter of type 'number'.
+
+
+==== tests/cases/conformance/es6/spread/iteratorSpreadInArray6.ts (1 errors) ====
+    var array: number[] = [0, 1];
+    array.concat([...new SymbolIterator]);
+                 ~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2345: Argument of type 'symbol[]' is not assignable to parameter of type 'number'.
+    
+    class SymbolIterator {
+        next() {
+            return {
+                value: Symbol(),
+                done: false
+            };
+        }
+    
+        [Symbol.iterator]() {
+            return this;
+        }
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/iteratorSpreadInArray6.js b/tests/baselines/reference/iteratorSpreadInArray6.js
new file mode 100644
index 00000000000..df34201b827
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray6.js
@@ -0,0 +1,36 @@
+//// [iteratorSpreadInArray6.ts]
+var array: number[] = [0, 1];
+array.concat([...new SymbolIterator]);
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [iteratorSpreadInArray6.js]
+var array = [
+    0,
+    1
+];
+array.concat([
+    ...new SymbolIterator
+]);
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray7.js b/tests/baselines/reference/iteratorSpreadInArray7.js
new file mode 100644
index 00000000000..ca7acd5a786
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray7.js
@@ -0,0 +1,33 @@
+//// [iteratorSpreadInArray7.ts]
+var array: symbol[];
+array.concat([...new SymbolIterator]);
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [iteratorSpreadInArray7.js]
+var array;
+array.concat([
+    ...new SymbolIterator
+]);
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray7.types b/tests/baselines/reference/iteratorSpreadInArray7.types
new file mode 100644
index 00000000000..c58d01f098b
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray7.types
@@ -0,0 +1,43 @@
+=== tests/cases/conformance/es6/spread/iteratorSpreadInArray7.ts ===
+var array: symbol[];
+>array : symbol[]
+
+array.concat([...new SymbolIterator]);
+>array.concat([...new SymbolIterator]) : symbol[]
+>array.concat : { <U extends symbol[]>(...items: U[]): symbol[]; (...items: symbol[]): symbol[]; }
+>array : symbol[]
+>concat : { <U extends symbol[]>(...items: U[]): symbol[]; (...items: symbol[]): symbol[]; }
+>[...new SymbolIterator] : symbol[]
+>...new SymbolIterator : symbol
+>new SymbolIterator : SymbolIterator
+>SymbolIterator : typeof SymbolIterator
+
+class SymbolIterator {
+>SymbolIterator : SymbolIterator
+
+    next() {
+>next : () => { value: symbol; done: boolean; }
+
+        return {
+>{            value: Symbol(),            done: false        } : { value: symbol; done: boolean; }
+
+            value: Symbol(),
+>value : symbol
+>Symbol() : symbol
+>Symbol : SymbolConstructor
+
+            done: false
+>done : boolean
+
+        };
+    }
+
+    [Symbol.iterator]() {
+>Symbol.iterator : symbol
+>Symbol : SymbolConstructor
+>iterator : symbol
+
+        return this;
+>this : SymbolIterator
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray8.errors.txt b/tests/baselines/reference/iteratorSpreadInArray8.errors.txt
new file mode 100644
index 00000000000..365bc8db9c2
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray8.errors.txt
@@ -0,0 +1,16 @@
+tests/cases/conformance/es6/spread/iteratorSpreadInArray8.ts(1,17): error TS2488: Type must have a '[Symbol.iterator]()' method that returns an iterator.
+
+
+==== tests/cases/conformance/es6/spread/iteratorSpreadInArray8.ts (1 errors) ====
+    var array = [...new SymbolIterator];
+                    ~~~~~~~~~~~~~~~~~~
+!!! error TS2488: Type must have a '[Symbol.iterator]()' method that returns an iterator.
+    
+    class SymbolIterator {
+        next() {
+            return {
+                value: Symbol(),
+                done: false
+            };
+        }
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/iteratorSpreadInArray8.js b/tests/baselines/reference/iteratorSpreadInArray8.js
new file mode 100644
index 00000000000..e1edeee1168
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray8.js
@@ -0,0 +1,24 @@
+//// [iteratorSpreadInArray8.ts]
+var array = [...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+}
+
+//// [iteratorSpreadInArray8.js]
+var array = [
+    ...new SymbolIterator
+];
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+}
diff --git a/tests/baselines/reference/iteratorSpreadInArray9.errors.txt b/tests/baselines/reference/iteratorSpreadInArray9.errors.txt
new file mode 100644
index 00000000000..e0e3d061f16
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray9.errors.txt
@@ -0,0 +1,33 @@
+tests/cases/conformance/es6/spread/iteratorSpreadInArray9.ts(1,17): error TS2322: Type 'SymbolIterator' is not assignable to type 'Iterable<symbol>'.
+  Types of property '[Symbol.iterator]' are incompatible.
+    Type '() => SymbolIterator' is not assignable to type '() => Iterator<symbol>'.
+      Type 'SymbolIterator' is not assignable to type 'Iterator<symbol>'.
+        Types of property 'next' are incompatible.
+          Type '() => { value: symbol; }' is not assignable to type '() => IteratorResult<symbol>'.
+            Type '{ value: symbol; }' is not assignable to type 'IteratorResult<symbol>'.
+              Property 'done' is missing in type '{ value: symbol; }'.
+
+
+==== tests/cases/conformance/es6/spread/iteratorSpreadInArray9.ts (1 errors) ====
+    var array = [...new SymbolIterator];
+                    ~~~~~~~~~~~~~~~~~~
+!!! error TS2322: Type 'SymbolIterator' is not assignable to type 'Iterable<symbol>'.
+!!! error TS2322:   Types of property '[Symbol.iterator]' are incompatible.
+!!! error TS2322:     Type '() => SymbolIterator' is not assignable to type '() => Iterator<symbol>'.
+!!! error TS2322:       Type 'SymbolIterator' is not assignable to type 'Iterator<symbol>'.
+!!! error TS2322:         Types of property 'next' are incompatible.
+!!! error TS2322:           Type '() => { value: symbol; }' is not assignable to type '() => IteratorResult<symbol>'.
+!!! error TS2322:             Type '{ value: symbol; }' is not assignable to type 'IteratorResult<symbol>'.
+!!! error TS2322:               Property 'done' is missing in type '{ value: symbol; }'.
+    
+    class SymbolIterator {
+        next() {
+            return {
+                value: Symbol()
+            };
+        }
+    
+        [Symbol.iterator]() {
+            return this;
+        }
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/iteratorSpreadInArray9.js b/tests/baselines/reference/iteratorSpreadInArray9.js
new file mode 100644
index 00000000000..93de78065fb
--- /dev/null
+++ b/tests/baselines/reference/iteratorSpreadInArray9.js
@@ -0,0 +1,29 @@
+//// [iteratorSpreadInArray9.ts]
+var array = [...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol()
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [iteratorSpreadInArray9.js]
+var array = [
+    ...new SymbolIterator
+];
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol()
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
diff --git a/tests/cases/conformance/es6/spread/iteratorSpreadInArray.ts b/tests/cases/conformance/es6/spread/iteratorSpreadInArray.ts
new file mode 100644
index 00000000000..4b4f3e8cc1c
--- /dev/null
+++ b/tests/cases/conformance/es6/spread/iteratorSpreadInArray.ts
@@ -0,0 +1,15 @@
+//@target: ES6
+var array = [...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
\ No newline at end of file
diff --git a/tests/cases/conformance/es6/spread/iteratorSpreadInArray10.ts b/tests/cases/conformance/es6/spread/iteratorSpreadInArray10.ts
new file mode 100644
index 00000000000..f8549b82b76
--- /dev/null
+++ b/tests/cases/conformance/es6/spread/iteratorSpreadInArray10.ts
@@ -0,0 +1,8 @@
+//@target: ES6
+var array = [...new SymbolIterator];
+
+class SymbolIterator {
+    [Symbol.iterator]() {
+        return this;
+    }
+}
\ No newline at end of file
diff --git a/tests/cases/conformance/es6/spread/iteratorSpreadInArray2.ts b/tests/cases/conformance/es6/spread/iteratorSpreadInArray2.ts
new file mode 100644
index 00000000000..9db5d010874
--- /dev/null
+++ b/tests/cases/conformance/es6/spread/iteratorSpreadInArray2.ts
@@ -0,0 +1,28 @@
+//@target: ES6
+var array = [...new NumberIterator, ...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+class NumberIterator {
+    next() {
+        return {
+            value: 0,
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
\ No newline at end of file
diff --git a/tests/cases/conformance/es6/spread/iteratorSpreadInArray3.ts b/tests/cases/conformance/es6/spread/iteratorSpreadInArray3.ts
new file mode 100644
index 00000000000..174c97de7cc
--- /dev/null
+++ b/tests/cases/conformance/es6/spread/iteratorSpreadInArray3.ts
@@ -0,0 +1,15 @@
+//@target: ES6
+var array = [...[0, 1], ...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
\ No newline at end of file
diff --git a/tests/cases/conformance/es6/spread/iteratorSpreadInArray4.ts b/tests/cases/conformance/es6/spread/iteratorSpreadInArray4.ts
new file mode 100644
index 00000000000..47c2e633702
--- /dev/null
+++ b/tests/cases/conformance/es6/spread/iteratorSpreadInArray4.ts
@@ -0,0 +1,15 @@
+//@target: ES6
+var array = [0, 1, ...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
\ No newline at end of file
diff --git a/tests/cases/conformance/es6/spread/iteratorSpreadInArray5.ts b/tests/cases/conformance/es6/spread/iteratorSpreadInArray5.ts
new file mode 100644
index 00000000000..e6a8041a961
--- /dev/null
+++ b/tests/cases/conformance/es6/spread/iteratorSpreadInArray5.ts
@@ -0,0 +1,15 @@
+//@target: ES6
+var array: number[] = [0, 1, ...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
\ No newline at end of file
diff --git a/tests/cases/conformance/es6/spread/iteratorSpreadInArray6.ts b/tests/cases/conformance/es6/spread/iteratorSpreadInArray6.ts
new file mode 100644
index 00000000000..7495ca6aac6
--- /dev/null
+++ b/tests/cases/conformance/es6/spread/iteratorSpreadInArray6.ts
@@ -0,0 +1,16 @@
+//@target: ES6
+var array: number[] = [0, 1];
+array.concat([...new SymbolIterator]);
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
\ No newline at end of file
diff --git a/tests/cases/conformance/es6/spread/iteratorSpreadInArray7.ts b/tests/cases/conformance/es6/spread/iteratorSpreadInArray7.ts
new file mode 100644
index 00000000000..12ca478c738
--- /dev/null
+++ b/tests/cases/conformance/es6/spread/iteratorSpreadInArray7.ts
@@ -0,0 +1,16 @@
+//@target: ES6
+var array: symbol[];
+array.concat([...new SymbolIterator]);
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
\ No newline at end of file
diff --git a/tests/cases/conformance/es6/spread/iteratorSpreadInArray8.ts b/tests/cases/conformance/es6/spread/iteratorSpreadInArray8.ts
new file mode 100644
index 00000000000..0e2258aa5ea
--- /dev/null
+++ b/tests/cases/conformance/es6/spread/iteratorSpreadInArray8.ts
@@ -0,0 +1,11 @@
+//@target: ES6
+var array = [...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol(),
+            done: false
+        };
+    }
+}
\ No newline at end of file
diff --git a/tests/cases/conformance/es6/spread/iteratorSpreadInArray9.ts b/tests/cases/conformance/es6/spread/iteratorSpreadInArray9.ts
new file mode 100644
index 00000000000..2b8d93c9ccb
--- /dev/null
+++ b/tests/cases/conformance/es6/spread/iteratorSpreadInArray9.ts
@@ -0,0 +1,14 @@
+//@target: ES6
+var array = [...new SymbolIterator];
+
+class SymbolIterator {
+    next() {
+        return {
+            value: Symbol()
+        };
+    }
+
+    [Symbol.iterator]() {
+        return this;
+    }
+}
\ No newline at end of file