polish: update YieldInParameter error message

packages/babel-parser/src/parser/error-message.js

@@ -211,7 +211,7 @@ export const ErrorMessages = Object.freeze({
   VarRedeclaration: "Identifier '%0' has already been declared",
   YieldBindingIdentifier:
     "Can not use 'yield' as identifier inside a generator",
-  YieldInParameter: "yield is not allowed in generator parameters",
+  YieldInParameter: "Yield expression is not allowed in formal parameters",
   ZeroDigitNumericSeparator:
     "Numeric separator can not be used after leading 0",
 });

packages/babel-parser/test/fixtures/es2015/yield/parameter-default-inside-arrow-inside-generator-1/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":39,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (2:7)"
+    "SyntaxError: Yield expression is not allowed in formal parameters (2:7)"
   ],
   "program": {
     "type": "Program",
@@ -66,4 +66,4 @@
     ],
     "directives": []
   }
-}
+}

packages/babel-parser/test/fixtures/es2015/yield/parameter-default-inside-arrow-inside-generator-2/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":53,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (2:15)"
+    "SyntaxError: Yield expression is not allowed in formal parameters (2:15)"
   ],
   "program": {
     "type": "Program",

packages/babel-parser/test/fixtures/es2015/yield/parameter-default-inside-arrow-inside-generator-3/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":42,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (2:7)"
+    "SyntaxError: Yield expression is not allowed in formal parameters (2:7)"
   ],
   "program": {
     "type": "Program",

packages/babel-parser/test/fixtures/es2015/yield/parameter-default-inside-arrow-inside-generator-4/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":49,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (2:17)"
+    "SyntaxError: Yield expression is not allowed in formal parameters (2:17)"
   ],
   "program": {
     "type": "Program",

packages/babel-parser/test/fixtures/es2015/yield/parameter-default-inside-arrow-inside-generator-5/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":47,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (2:8)",
+    "SyntaxError: Yield expression is not allowed in formal parameters (2:8)",
     "SyntaxError: Binding invalid left-hand side in function parameter list (2:8)"
   ],
   "program": {

packages/babel-parser/test/fixtures/es2015/yield/parameter-default-inside-arrow-inside-generator-6/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":41,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (2:8)"
+    "SyntaxError: Yield expression is not allowed in formal parameters (2:8)"
   ],
   "program": {
     "type": "Program",

packages/babel-parser/test/fixtures/es2015/yield/parameter-default-inside-generator-method/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":27,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":27}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (1:15)"
+    "SyntaxError: Yield expression is not allowed in formal parameters (1:15)"
   ],
   "program": {
     "type": "Program",
@@ -16,6 +16,10 @@
         "expression": {
           "type": "ObjectExpression",
           "start":1,"end":26,"loc":{"start":{"line":1,"column":1},"end":{"line":1,"column":26}},
+          "extra": {
+            "parenthesized": true,
+            "parenStart": 0
+          },
           "properties": [
             {
               "type": "ObjectMethod",
@@ -55,11 +59,7 @@
                 "directives": []
               }
             }
-          ],
-          "extra": {
-            "parenthesized": true,
-            "parenStart": 0
-          }
+          ]
         }
       }
     ],

packages/babel-parser/test/fixtures/es2015/yield/parameter-default-inside-generator/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":26,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":26}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (1:17)"
+    "SyntaxError: Yield expression is not allowed in formal parameters (1:17)"
   ],
   "program": {
     "type": "Program",

packages/babel-parser/test/fixtures/es2015/yield/parameter-name-arrow-inside-generator-1/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":35,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (2:3)",
+    "SyntaxError: Yield expression is not allowed in formal parameters (2:3)",
     "SyntaxError: Binding invalid left-hand side in function parameter list (2:3)"
   ],
   "program": {

packages/babel-parser/test/fixtures/es2015/yield/parameter-name-arrow-inside-generator-2/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":38,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (2:3)",
+    "SyntaxError: Yield expression is not allowed in formal parameters (2:3)",
     "SyntaxError: Binding invalid left-hand side in function parameter list (2:3)"
   ],
   "program": {

packages/babel-parser/test/fixtures/es2015/yield/parameter-name-arrow-inside-generator-3/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":41,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (2:9)",
+    "SyntaxError: Yield expression is not allowed in formal parameters (2:9)",
     "SyntaxError: Binding invalid left-hand side in function parameter list (2:9)"
   ],
   "program": {

packages/babel-parser/test/fixtures/es2015/yield/yield-star-parameter-default-inside-generator/output.json

@@ -2,8 +2,8 @@
   "type": "File",
   "start":0,"end":33,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":33}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (1:17)",
-    "SyntaxError: yield is not allowed in generator parameters (1:24)"
+    "SyntaxError: Yield expression is not allowed in formal parameters (1:17)",
+    "SyntaxError: Yield expression is not allowed in formal parameters (1:24)"
   ],
   "program": {
     "type": "Program",

packages/babel-parser/test/fixtures/esprima/es2015-yield/invalid-yield-generator-arrow-default/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":38,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":38}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (1:21)"
+    "SyntaxError: Yield expression is not allowed in formal parameters (1:21)"
   ],
   "program": {
     "type": "Program",

packages/babel-parser/test/fixtures/esprima/es2015-yield/invalid-yield-generator-arrow-parameter/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":30,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":30}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (1:16)",
+    "SyntaxError: Yield expression is not allowed in formal parameters (1:16)",
     "SyntaxError: Binding invalid left-hand side in function parameter list (1:16)"
   ],
   "program": {

packages/babel-parser/test/fixtures/esprima/es2015-yield/invalid-yield-generator-arrow-parameters/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":39,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":39}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (1:25)",
+    "SyntaxError: Yield expression is not allowed in formal parameters (1:25)",
     "SyntaxError: Binding invalid left-hand side in function parameter list (1:25)"
   ],
   "program": {

packages/babel-parser/test/fixtures/esprima/es2015-yield/yield-generator-arrow-default/output.json

@@ -2,7 +2,7 @@
   "type": "File",
   "start":0,"end":35,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":35}},
   "errors": [
-    "SyntaxError: yield is not allowed in generator parameters (1:21)"
+    "SyntaxError: Yield expression is not allowed in formal parameters (1:21)"
   ],
   "program": {
     "type": "Program",