IDEA-111523 (the intention is only supposed to work inside regular assignment)

java/java-impl/src/com/intellij/codeInsight/intention/impl/MoveFieldAssignmentToInitializerAction.java

@@ -53,8 +53,10 @@ public class MoveFieldAssignmentToInitializerAction extends BaseIntentionAction
 
   @Override
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
-    final PsiAssignmentExpression assignment = getAssignmentUnderCaret(editor, file);
+    PsiAssignmentExpression assignment = getAssignmentUnderCaret(editor, file);
     if (assignment == null) return false;
+    PsiElement parent = assignment.getParent();
+    if (!(parent instanceof PsiExpressionStatement)) return false;
     PsiField field = getAssignedField(assignment);
     if (field == null || field.hasInitializer()) return false;
     PsiClass psiClass = field.getContainingClass();

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/moveFieldAssignmentToInitializer/beforeExprList.java

@@ -0,0 +1,10 @@
+// "Move assignment to field declaration" "false"
+class Wtf {
+  int myWtf;
+
+  void whatever() {
+    <caret>myWtf = Math,max(myWtf, getWtf());
+  }
+
+  int getWtf() { return 42; }
+}