From 64338e17f4a5f4171b888831be3259eee1829330 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Mon, 25 Mar 2019 14:21:04 -0700
Subject: [PATCH] Parse right-hand-side of for/of as an assignment expression

---
 packages/babel-parser/src/parser/statement.js             | 5 ++++-
 .../test/fixtures/es2015/for-of/invalid-expr/input.js     | 1 +
 .../test/fixtures/es2015/for-of/invalid-expr/options.json | 3 +++
 scripts/tests/test262/test262_whitelist.txt               | 8 +-------
 4 files changed, 9 insertions(+), 8 deletions(-)
 create mode 100644 packages/babel-parser/test/fixtures/es2015/for-of/invalid-expr/input.js
 create mode 100644 packages/babel-parser/test/fixtures/es2015/for-of/invalid-expr/options.json

diff --git a/packages/babel-parser/src/parser/statement.js b/packages/babel-parser/src/parser/statement.js
index d89aa6b11567..49e26fe9fb3e 100644
--- a/packages/babel-parser/src/parser/statement.js
+++ b/packages/babel-parser/src/parser/statement.js
@@ -951,7 +951,10 @@ export default class StatementParser extends ExpressionParser {
       node.await = awaitAt > -1;
     }
     node.left = init;
-    node.right = this.parseExpression();
+    node.right =
+      type === "ForInStatement"
+        ? this.parseExpression()
+        : this.parseMaybeAssign();
     this.expect(tt.parenR);
 
     node.body =
diff --git a/packages/babel-parser/test/fixtures/es2015/for-of/invalid-expr/input.js b/packages/babel-parser/test/fixtures/es2015/for-of/invalid-expr/input.js
new file mode 100644
index 000000000000..90f5a5a32748
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/es2015/for-of/invalid-expr/input.js
@@ -0,0 +1 @@
+for (let x of y, z) {}
diff --git a/packages/babel-parser/test/fixtures/es2015/for-of/invalid-expr/options.json b/packages/babel-parser/test/fixtures/es2015/for-of/invalid-expr/options.json
new file mode 100644
index 000000000000..e4ff6fef3cde
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/es2015/for-of/invalid-expr/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Unexpected token, expected \")\" (1:15)"
+}
\ No newline at end of file
diff --git a/scripts/tests/test262/test262_whitelist.txt b/scripts/tests/test262/test262_whitelist.txt
index b936b9a595e2..7afcaf42e443 100644
--- a/scripts/tests/test262/test262_whitelist.txt
+++ b/scripts/tests/test262/test262_whitelist.txt
@@ -708,10 +708,4 @@ language/statements/for-in/dstr/array-rest-elision-invalid.js(strict mode)
 language/statements/for-of/dstr/array-rest-before-elision.js(default)
 language/statements/for-of/dstr/array-rest-before-elision.js(strict mode)
 language/statements/for-of/dstr/array-rest-elision-invalid.js(default)
-language/statements/for-of/dstr/array-rest-elision-invalid.js(strict mode)
-language/statements/for-of/head-decl-no-expr.js(default)
-language/statements/for-of/head-decl-no-expr.js(strict mode)
-language/statements/for-of/head-expr-no-expr.js(default)
-language/statements/for-of/head-expr-no-expr.js(strict mode)
-language/statements/for-of/head-var-no-expr.js(default)
-language/statements/for-of/head-var-no-expr.js(strict mode)
\ No newline at end of file
+language/statements/for-of/dstr/array-rest-elision-invalid.js(strict mode)
\ No newline at end of file