commit 52df4daeae04f3f4dec2627c18d0ada687a016a6
author Fumiaki Okushi <fokushi@devicebook.com> Mon Aug 27 15:31:53 2018 -0700
committer Michael Ficarra <github@michael.ficarra.me> Mon Aug 27 17:28:43 2018 -0700
tree 7f40f5b1f8e82c5532a9b347b3a4eace11f75bdc
parent 20a0d3748a25653eb463d9155bbaa3239883717a

fix issue #371

simply adopted solution described by johnjbarton in issue #371

escodegen.js

diff --git a/escodegen.js b/escodegen.js
index 9208803..54e7cfa 100644
--- a/escodegen.js
+++ b/escodegen.js
@@ -967,7 +967,7 @@
             result = join(result, operator);
             result = [join(
                 result,
-                that.generateExpression(stmt.right, Precedence.Sequence, E_TTT)
+                that.generateExpression(stmt.right, Precedence.Assignment, E_TTT)
             ), ')'];
         });
         result.push(this.maybeBlock(stmt.body, flags));

test/compare-harmony/for-of-statement.expected.js

diff --git a/test/compare-harmony/for-of-statement.expected.js b/test/compare-harmony/for-of-statement.expected.js
index 5101c94..b3bda09 100644
--- a/test/compare-harmony/for-of-statement.expected.js
+++ b/test/compare-harmony/for-of-statement.expected.js
@@ -3,4 +3,6 @@
     }
     for (let i of array) {
     }
+    for (let c of ('x', String('cat'))) {
+    }
 }

test/compare-harmony/for-of-statement.expected.min.js

diff --git a/test/compare-harmony/for-of-statement.expected.min.js b/test/compare-harmony/for-of-statement.expected.min.js
index d831c22..bf91f9c 100644
--- a/test/compare-harmony/for-of-statement.expected.min.js
+++ b/test/compare-harmony/for-of-statement.expected.min.js
@@ -1 +1 @@
-function test(){for(var i of array){}for(let i of array){}}
+function test(){for(var i of array){}for(let i of array){}for(let c of('x',String('cat'))){}}

test/compare-harmony/for-of-statement.js

diff --git a/test/compare-harmony/for-of-statement.js b/test/compare-harmony/for-of-statement.js
index 10a0e58..0a13ec2 100644
--- a/test/compare-harmony/for-of-statement.js
+++ b/test/compare-harmony/for-of-statement.js
@@ -4,4 +4,7 @@
 
     for (let i of array) {
     }
+
+    for (let c of ('x', String('cat'))) {
+    }
 }