Supported star projection in alternative signatures.

compiler/testData/loadJava/kotlinSignature/StarProjection.java

@@ -0,0 +1,13 @@
+package test;
+
+import jet.runtime.typeinfo.KotlinSignature;
+
+public final class StarProjection {
+    @KotlinSignature("fun foo(): MyClass<*>")
+    public final MyClass<?> foo() {
+        throw new UnsupportedOperationException();
+    }
+
+    public interface MyClass<T extends CharSequence> {
+    }
+}

compiler/testData/loadJava/kotlinSignature/StarProjection.kt

@@ -0,0 +1,7 @@
+package test
+
+public final class StarProjection: Object() {
+    public final fun foo(): MyClass<*> = throw UnsupportedOperationException()
+
+    public trait MyClass<T: CharSequence?>: Object
+}

compiler/testData/loadJava/kotlinSignature/StarProjection.txt

@@ -0,0 +1,8 @@
+namespace test
+
+public final class test.StarProjection : java.lang.Object {
+    public final /*constructor*/ fun <init>(): test.StarProjection
+    public final fun foo(): test.StarProjection.MyClass<out jet.CharSequence?>
+    public abstract trait test.StarProjection.MyClass</*0*/ T : jet.CharSequence?> : java.lang.Object {
+    }
+}