[MERGE #5588 @duongnhn] fixes #5513 add toStringTag for global object

Merge pull request #5588 from duongnhn:user/duongn/global-object-tag-to-string

- add toStringTag for global object to mach other engines.
- recreate baseline files.

Author: duongnhn

lib/Runtime/Library/JavascriptLibrary.cpp

@@ -1141,6 +1141,8 @@ namespace Js
         AddMember(globalObject, PropertyIds::NaN, nan, PropertyNone);
         AddMember(globalObject, PropertyIds::Infinity, positiveInfinite, PropertyNone);
         AddMember(globalObject, PropertyIds::undefined, undefinedValue, PropertyNone);
+        // Note: for global object, we need to set toStringTag to global like other engines (v8)
+        AddMember(globalObject, PropertyIds::_symbolToStringTag, scriptContext->GetPropertyString(PropertyIds::global) , PropertyNone);
 
         // Note: Any global function added/removed/changed here should also be updated in JavascriptLibrary::ProfilerRegisterBuiltinFunctions
         // so that the new functions show up in the profiler too.

test/Basics/scopedaccessors.baseline

@@ -7,7 +7,7 @@ in nested setter2
 11
 test3: nested setter and setter from this
 in nested setter3
-[object Object]
+[object global]
 12
 test4: closure and with
 in nested setter3

test/Debugger/JsDiagGetStackProperties.js.dbg.baseline

@@ -3,25 +3,26 @@
     "this": "Object {...}",
     "{exception}": "number 1",
     "locals": {
+      "globalVar": "undefined undefined",
       "FuncLevel1": "function <large string>",
-      "outerFunc1": "function <large string>",
-      "globalVar": "undefined undefined"
+      "outerFunc1": "function <large string>"
     }
   },
   {
     "this": "Object {...}",
     "{exception}": "Error Caught Error",
     "locals": {
+      "globalVar": "undefined undefined",
       "FuncLevel1": "function <large string>",
-      "outerFunc1": "function <large string>",
-      "globalVar": "undefined undefined"
+      "outerFunc1": "function <large string>"
     }
   },
   {
     "this": {
+      "Symbol.toStringTag": "string global",
+      "globalVar": "Object {...}",
       "FuncLevel1": "function <large string>",
-      "outerFunc1": "function <large string>",
-      "globalVar": "Object {...}"
+      "outerFunc1": "function <large string>"
     },
     "arguments": {
       "#__proto__": "Object {...}",
@@ -43,16 +44,17 @@
       "level1Var": "Object {...}"
     },
     "globals": {
+      "globalVar": "Object {...}",
       "FuncLevel1": "function <large string>",
-      "outerFunc1": "function <large string>",
-      "globalVar": "Object {...}"
+      "outerFunc1": "function <large string>"
     }
   },
   {
     "this": {
+      "Symbol.toStringTag": "string global",
+      "globalVar": "Object {...}",
       "FuncLevel1": "function <large string>",
-      "outerFunc1": "function <large string>",
-      "globalVar": "Object {...}"
+      "outerFunc1": "function <large string>"
     },
     "arguments": {
       "#__proto__": "Object {...}",
@@ -95,9 +97,9 @@
       }
     },
     "globals": {
+      "globalVar": "Object {...}",
       "FuncLevel1": "function <large string>",
-      "outerFunc1": "function <large string>",
-      "globalVar": "Object {...}"
+      "outerFunc1": "function <large string>"
     }
   }
 ]

test/Debugger/MultipleContextStack.js.dbg.baseline

@@ -65,11 +65,12 @@
   },
   {
     "this": {
+      "Symbol.toStringTag": "string global",
+      "script1": "Object {...}",
+      "script2": "Object {...}",
       "Func2": "function <large string>",
       "Func3": "function <large string>",
-      "Func1": "function <large string>",
-      "script1": "Object {...}",
-      "script2": "Object {...}"
+      "Func1": "function <large string>"
     },
     "arguments": {
       "#__proto__": "Object {...}",
@@ -81,11 +82,11 @@
       "x": "undefined undefined"
     },
     "globals": {
+      "script1": "Object {...}",
+      "script2": "Object {...}",
       "Func2": "function <large string>",
       "Func3": "function <large string>",
-      "Func1": "function <large string>",
-      "script1": "Object {...}",
-      "script2": "Object {...}"
+      "Func1": "function <large string>"
     }
   }
 ]

test/DebuggerCommon/ES6_intl_simple_attach.js.dbg.baseline

@@ -1,6 +1,7 @@
 [
   {
     "this": {
+      "Symbol.toStringTag": "string global",
       "x": "undefined undefined",
       "Run": "function <large string>"
     },

test/DebuggerCommon/ES6_letconst_const_reassignment_globalscope.js.dbg.baseline

@@ -1,6 +1,8 @@
 [
   {
-    "this": {},
+    "this": {
+      "Symbol.toStringTag": "string global"
+    },
     "locals": {
       "a": "number 1",
       "b": "number 2"

test/DebuggerCommon/ES6_letconst_eval_nonstrict.js.dbg.baseline

@@ -1,6 +1,8 @@
 [
   {
-    "this": {},
+    "this": {
+      "Symbol.toStringTag": "string global"
+    },
     "locals": {
       "a": "number 1"
     },

test/DebuggerCommon/ES6_letconst_eval_strict_fn.js.dbg.baseline

@@ -1,6 +1,7 @@
 [
   {
     "this": {
+      "Symbol.toStringTag": "string global",
       "Run": "function <large string>"
     },
     "locals": {
@@ -21,4 +22,4 @@
       "a": "number 1"
     }
   }
-]
+]

test/DebuggerCommon/ES6_letconst_for.js.dbg.baseline

@@ -8,6 +8,7 @@
   },
   {
     "this": {
+      "Symbol.toStringTag": "string global",
       "x": "number 1"
     },
     "locals": {
@@ -26,6 +27,7 @@
   },
   {
     "this": {
+      "Symbol.toStringTag": "string global",
       "x": "number 1"
     },
     "locals": {

test/DebuggerCommon/ES6_letconst_forin.js.dbg.baseline

@@ -1,6 +1,7 @@
 [
   {
     "this": {
+      "Symbol.toStringTag": "string global",
       "a": "Object {...}"
     },
     "locals": {
@@ -15,6 +16,7 @@
   },
   {
     "this": {
+      "Symbol.toStringTag": "string global",
       "a": "Object {...}"
     },
     "locals": {