[analyzer] Add special case for bool.fromEnvironment('dart.library.js_interop')

#50045

Treats this value as unknown in the meantime while issue
50045 gets resolved to unblock Flutter (much like we did
with js_util).

Change-Id: I3dbf01a2eba1b8b3835a2cdc46bb23c2957dca8b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/439820
Reviewed-by: Konstantin Shcheglov <[email protected]>
Commit-Queue: Srujan Gaddam <[email protected]>

Author: srujzs

pkg/analyzer/lib/src/dart/constant/evaluation.dart

@@ -2905,8 +2905,9 @@ class _InstanceCreationEvaluator {
       String? variableName =
           argumentCount < 1 ? null : firstArgument?.toStringValue();
       if (definingClass == typeProvider.boolElement) {
-        // Special case: https://github.com/dart-lang/sdk/issues/50045
-        if (variableName == 'dart.library.js_util') {
+        // Special cases: https://github.com/dart-lang/sdk/issues/50045
+        if (variableName == 'dart.library.js_util' ||
+            variableName == 'dart.library.js_interop') {
           return DartObjectImpl(
             typeSystem,
             typeProvider.boolType,

pkg/analyzer/test/src/dart/constant/evaluation_test.dart

@@ -6050,6 +6050,18 @@ bool true
 ''');
   }
 
+  /// See https://github.com/dart-lang/sdk/issues/50045
+  test_bool_fromEnvironment_dartLibraryJsInterop() async {
+    await assertNoErrorsInCode('''
+const a = bool.fromEnvironment('dart.library.js_interop');
+''');
+    var result = _topLevelVar('a');
+    assertDartObjectText(result, '''
+<unknown> bool
+  variable: <testLibrary>::@topLevelVariable::a
+''');
+  }
+
   /// See https://github.com/dart-lang/sdk/issues/50045
   test_bool_fromEnvironment_dartLibraryJsUtil() async {
     await assertNoErrorsInCode('''