fix: correctly set innerEndPos in CoverParenthesizedExpressionAndArrowParameterList (#11847)

packages/babel-parser/src/parser/expression.js

@@ -1371,8 +1371,8 @@ export default class ExpressionParser extends LValParser {
       }
     }
 
-    const innerEndPos = this.state.start;
+    const innerEndPos = this.state.lastTokEnd;
-    const innerEndLoc = this.state.startLoc;
+    const innerEndLoc = this.state.lastTokEndLoc;
     this.expect(tt.parenR);
 
     this.state.maybeInArrowParameters = oldMaybeInArrowParameters;

packages/babel-parser/test/fixtures/core/categorized/sequence-expression-end/input.js

@@ -0,0 +1,4 @@
+a = (
+  b,
+  c
+)

packages/babel-parser/test/fixtures/core/categorized/sequence-expression-end/output.json

@@ -0,0 +1,47 @@
+{
+  "type": "File",
+  "start":0,"end":16,"loc":{"start":{"line":1,"column":0},"end":{"line":4,"column":1}},
+  "program": {
+    "type": "Program",
+    "start":0,"end":16,"loc":{"start":{"line":1,"column":0},"end":{"line":4,"column":1}},
+    "sourceType": "script",
+    "interpreter": null,
+    "body": [
+      {
+        "type": "ExpressionStatement",
+        "start":0,"end":16,"loc":{"start":{"line":1,"column":0},"end":{"line":4,"column":1}},
+        "expression": {
+          "type": "AssignmentExpression",
+          "start":0,"end":16,"loc":{"start":{"line":1,"column":0},"end":{"line":4,"column":1}},
+          "operator": "=",
+          "left": {
+            "type": "Identifier",
+            "start":0,"end":1,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":1},"identifierName":"a"},
+            "name": "a"
+          },
+          "right": {
+            "type": "SequenceExpression",
+            "start":8,"end":14,"loc":{"start":{"line":2,"column":2},"end":{"line":3,"column":3}},
+            "expressions": [
+              {
+                "type": "Identifier",
+                "start":8,"end":9,"loc":{"start":{"line":2,"column":2},"end":{"line":2,"column":3},"identifierName":"b"},
+                "name": "b"
+              },
+              {
+                "type": "Identifier",
+                "start":13,"end":14,"loc":{"start":{"line":3,"column":2},"end":{"line":3,"column":3},"identifierName":"c"},
+                "name": "c"
+              }
+            ],
+            "extra": {
+              "parenthesized": true,
+              "parenStart": 4
+            }
+          }
+        }
+      }
+    ],
+    "directives": []
+  }
+}