java-decompiler: extra casts on method calls omitted

(loosely based on https://github.com/JetBrains/intellij-community/pull/217)

testData/results/TestAmbiguousCall.dec

@@ -0,0 +1,18 @@
+package pkg;
+
+class TestAmbiguousCall {
+   void m1(RuntimeException var1, String var2) {
+   }
+
+   void m1(IllegalArgumentException var1, String var2) {
+   }
+
+   void test() {
+      IllegalArgumentException var1 = new IllegalArgumentException();
+      this.m1((RuntimeException)var1, "RE");
+      this.m1(var1, "IAE");
+      IllegalArgumentException var2 = new IllegalArgumentException();
+      this.m1((RuntimeException)var2, "RE");
+      this.m1((IllegalArgumentException)var2, "IAE");
+   }
+}

testData/results/TestAmbiguousCallWithDebugInfo.dec

@@ -0,0 +1,18 @@
+package pkg;
+
+class TestAmbiguousCall {
+   void m1(RuntimeException e, String s) {
+   }
+
+   void m1(IllegalArgumentException e, String s) {
+   }
+
+   void test() {
+      IllegalArgumentException iae = new IllegalArgumentException();
+      this.m1((RuntimeException)iae, "RE");
+      this.m1(iae, "IAE");
+      IllegalArgumentException re = new IllegalArgumentException();
+      this.m1((RuntimeException)re, "RE");
+      this.m1((IllegalArgumentException)re, "IAE");
+   }
+}

testData/results/TestEnum.dec

@@ -18,7 +18,7 @@ public enum TestEnum {
    }
 
    private TestEnum() {
-      this((String)"?");
+      this("?");
    }
 
    private TestEnum(@Deprecated String var3) {

testData/src/pkg/TestAmbiguousCall.java

@@ -0,0 +1,16 @@
+package pkg;
+
+class TestAmbiguousCall {
+  void m1(RuntimeException e, String s) { }
+  void m1(IllegalArgumentException e, String s) { }
+
+  void test() {
+    IllegalArgumentException iae = new IllegalArgumentException();
+    m1((RuntimeException)iae, "RE");
+    m1(iae, "IAE");
+
+    RuntimeException re = new IllegalArgumentException();
+    m1(re, "RE");
+    m1((IllegalArgumentException)re, "IAE");
+  }
+}