fix #7721 fix #7723 append moduleName suffix on erasedName of object classes

compiler/src/dotty/tools/dotc/core/SymDenotations.scala

@@ -523,7 +523,13 @@ object SymDenotations {
         case Some(ann) =>
           ann.arguments match {
             case Literal(Constant(str: String)) :: Nil =>
-              if (isType) str.toTypeName else str.toTermName
+              if (isType)
+                if (is(ModuleClass))
+                  str.toTypeName.moduleClassName
+                else
+                  str.toTypeName
+              else
+                str.toTermName
             case _ => name
           }
         case _ => name

tests/run/alpha-modules-1/7721_1.scala

@@ -0,0 +1,5 @@
+package alpha
+
+@scala.annotation.alpha("A") object B {
+  def foo = 23
+}

tests/run/alpha-modules-1/Test_2.java

@@ -0,0 +1,9 @@
+package alpha;
+
+public class Test_2 {
+
+  public static void main(String[] args) {
+    assert A.foo() == 23;
+    assert A$.MODULE$.foo() == 23;
+  }
+}

tests/run/alpha-modules-1/Test_3.scala

@@ -0,0 +1,4 @@
+object Test {
+  def main(args: Array[String]): Unit =
+    alpha.Test_2.main(args)
+}

tests/run/alpha-modules-2/7723_1.scala

@@ -0,0 +1,3 @@
+package alpha
+
+@scala.annotation.alpha("A") class B(val i: Int = 1)

tests/run/alpha-modules-2/Test_2.java

@@ -0,0 +1,10 @@
+package alpha;
+
+public class Test_2 {
+
+  public static void main(String[] args) {
+    assert new A(101).i() == 101;
+    assert new A(A.$lessinit$greater$default$1()).i() == 101;
+    assert new A(A$.MODULE$.$lessinit$greater$default$1()).i() == 101;
+  }
+}

tests/run/alpha-modules-2/Test_3.scala

@@ -0,0 +1,4 @@
+object Test {
+  def main(args: Array[String]): Unit =
+    alpha.Test_2.main(args)
+}