From dd0d1d77529383a75d1e88463cad2763ec5f7010 Mon Sep 17 00:00:00 2001
From: Guy Bedford <guybedford@gmail.com>
Date: Wed, 28 Oct 2020 13:19:30 -0700
Subject: [PATCH] handle yield ambiguity

---
 lexer.js      |  3 ---
 src/lexer.c   |  3 ---
 test/_unit.js | 15 +++++++++++++++
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/lexer.js b/lexer.js
index 8cd9b68..961ab7a 100755
--- a/lexer.js
+++ b/lexer.js
@@ -1126,9 +1126,6 @@ function isExpressionKeyword (pos) {
         case 105/*i*/:
           // void
           return readPrecedingKeyword(pos - 2, 'vo');
-        case 108/*l*/:
-          // yield
-          return readPrecedingKeyword(pos - 2, 'yie');
         default:
           return false;
       }
diff --git a/src/lexer.c b/src/lexer.c
index c17b44e..6a844a2 100755
--- a/src/lexer.c
+++ b/src/lexer.c
@@ -1214,9 +1214,6 @@ bool isExpressionKeyword (uint16_t* pos) {
         case 'i':
           // void
           return readPrecedingKeyword2(pos - 2, 'v', 'o');
-        case 'l':
-          // yield
-          return readPrecedingKeyword3(pos - 2, 'y', 'i', 'e');
         default:
           return false;
       }
diff --git a/test/_unit.js b/test/_unit.js
index f46dc7e..00656ab 100755
--- a/test/_unit.js
+++ b/test/_unit.js
@@ -660,4 +660,19 @@ function x() {
     assert.ok(exports[0] === 'a');
     assert.ok(exports[1] === 'b');
   });
+
+  test('Yield ambiguity case', () => {
+    var { exports, reexports } = parse(`
+      function* fn() {
+        yield / "/ //" /*
+      }
+      /*/
+      }
+      
+      module.exports.foo = 2;
+      
+      // */
+    `);
+    assert.equal(exports.length, 1);
+  });
 });