[fixes #3402] Delay replacement of extension methods in arguments

test/transform/resource/before/ExtensionMethodInLambda.java

@@ -0,0 +1,35 @@
+// version 8:
+import java.util.function.Function;
+import lombok.experimental.ExtensionMethod;
+
+@ExtensionMethod(value = ExtensionMethodInLambda.Extensions.class)
+public class ExtensionMethodInLambda {
+	public void testSimple() {
+		String test = "test";
+		test = test.map(s -> s.reverse());
+	}
+	
+	public void testSameName() {
+		String test = "test";
+		test = test.map(s -> s.trim());
+	}
+	
+	public void testArgumentOfInvalidMethod() {
+		String test = "test";
+		test.invalid(s -> s.reverse());
+	}
+	
+	static class Extensions {
+		public static <T, R> R map(T value, Function<T, R> mapper) {
+			return mapper.apply(value);
+		}
+		
+		public static String reverse(String string) {
+			return new StringBuilder(string).reverse().toString();
+		}
+		
+		public static String trim(Integer integer) {
+			return "0";
+		}
+	}
+}