IG: care for lambda's in"Field accessed in both synchronized and unsynchronized contexts" inspection

plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/threading/VariableAccessVisitor.java

@@ -61,6 +61,14 @@ class VariableAccessVisitor extends JavaRecursiveElementVisitor {
     m_inSynchronizedContext = wasInSync;
   }
 
+  @Override
+  public void visitLambdaExpression(PsiLambdaExpression expression) {
+    final boolean wasInSync = m_inSynchronizedContext;
+    m_inSynchronizedContext = false;
+    super.visitLambdaExpression(expression);
+    m_inSynchronizedContext = wasInSync;
+  }
+
   @Override
   public void visitReferenceExpression(@NotNull PsiReferenceExpression ref) {
     super.visitReferenceExpression(ref);

plugins/InspectionGadgets/test/com/siyeh/igtest/threading/field_accessed_synchronized_and_unsynchronized/FieldAccessedSynchronizedAndUnsynchronized.java

@@ -4,12 +4,14 @@ public class FieldAccessedSynchronizedAndUnsynchronized
 {
     private final Object m_lock = new Object();          
     private Object <warning descr="Field 'm_contents' is accessed in both synchronized and unsynchronized contexts">m_contents</warning> = new Object();
+    private Object <warning descr="Field 'a' is accessed in both synchronized and unsynchronized contexts">a</warning>;
 
     public void foo()
     {
         synchronized(m_lock)
         {
             m_contents = new Object();
+            a = new Object();
         }
         getContents();
     }
@@ -24,6 +26,12 @@ public class FieldAccessedSynchronizedAndUnsynchronized
         getContents();
     }
 
+    public synchronized void g() {
+        Runnable r = () -> {
+            System.out.println(a);
+        };
+    }
+
 }
 class Test {
   private Object <warning descr="Field 'object' is accessed in both synchronized and unsynchronized contexts">object</warning>;