block lambda -> exp lambda: more accurate check for conflict (IDEA-129780)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/lambdaCodeBlock2Expr/afterVoidValueChangedNoConflict.java

@@ -0,0 +1,16 @@
+// "Replace with expression lambda" "true"
+class Test {
+  {
+    a(() -> new Object(){});
+  }
+
+  void a(Supplier<Object> s) {}
+  void a(AI<Object> s) {}
+
+  interface AI<K> {
+    void m();
+  }
+  interface Supplier<T> {
+    T get();
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/lambdaCodeBlock2Expr/beforeVoidValueChangedNoConflict.java

@@ -0,0 +1,18 @@
+// "Replace with expression lambda" "true"
+class Test {
+  {
+    a(() -> {
+      ret<caret>urn new Object(){};
+    });
+  }
+
+  void a(Supplier<Object> s) {}
+  void a(AI<Object> s) {}
+
+  interface AI<K> {
+    void m();
+  }
+  interface Supplier<T> {
+    T get();
+  }
+}