Initial implementation for lazy compound assignment operators

pkg/analyzer/lib/src/generated/element_resolver.dart

Index: pkg/analyzer/lib/src/generated/element_resolver.dart
diff --git a/pkg/analyzer/lib/src/generated/element_resolver.dart b/pkg/analyzer/lib/src/generated/element_resolver.dart
index b2c10e2d9e51ad4cbc8f8c6c89c39a167e028e36..029b5c6759abc85ffcba5d66c3c6141a90e70b38 100644
--- a/pkg/analyzer/lib/src/generated/element_resolver.dart
+++ b/pkg/analyzer/lib/src/generated/element_resolver.dart
@@ -156,7 +156,9 @@ class ElementResolver extends SimpleAstVisitor<Object> {
   Object visitAssignmentExpression(AssignmentExpression node) {
     Token operator = node.operator;
     TokenType operatorType = operator.type;
-    if (operatorType != TokenType.EQ &&
+    if (operatorType != TokenType.AMPERSAND_AMPERSAND_EQ &&
+        operatorType != TokenType.BAR_BAR_EQ &&

[scheglov, 2016/08/02 15:25:03]

Should we resolve &&= and ||= to corresponding & and | operators?

[scheglov, 2016/08/02 15:33:22]

Actually, never-mind.
Operators && and || are not user definable.

+        operatorType != TokenType.EQ &&
         operatorType != TokenType.QUESTION_QUESTION_EQ) {
       operatorType = _operatorFromCompoundAssignment(operatorType);
       Expression leftHandSide = node.leftHandSide;