core: fixed types for arguments from overloaded methods

jadx-samples/src/main/java/jadx/samples/TestTypeResolver2.java

@@ -0,0 +1,50 @@
+package jadx.samples;
+
+/**
+ * Code example from
+ * <a href="http://stackoverflow.com/questions/2840183/is-there-any-java-decompiler-that-can-correctly-decompile-calls-to-overloaded-me">
+ * stackoverflow question</a>
+ */
+public class TestTypeResolver2 extends AbstractTest {
+
+	private static String result  = "";
+
+	public void testOverloadedMethods() {
+		Object s1 = "The";
+		Object s2 = "answer";
+		doPrint((Object) "You should know:");
+		for (int i = 0; i < 2; i++) {
+			doPrint(s1);
+			doPrint(s2);
+			s1 = "is";
+			s2 = new Integer(42);
+		}
+	}
+
+	private static void doPrint(String s1) {
+		// incorrect call
+		assertTrue(false);
+	}
+
+	private static void doPrint(Integer s1) {
+		// incorrect call
+		assertTrue(false);
+	}
+
+	private static void doPrint(Object s1) {
+		// correct call
+		result += s1 + " ";
+	}
+
+	@Override
+	public boolean testRun() throws Exception {
+		testOverloadedMethods();
+
+		assertEquals(result, "You should know: The answer is 42 ");
+		return true;
+	}
+
+	public static void main(String[] args) throws Exception {
+		(new TestTypeResolver2()).testRun();
+	}
+}