Parse concrete private interface methods in Java

[lrytz]

Java 9+ allows concrete private interface methods, but the scalac parser doesn't accept them

$> scalac B.java
B.java:2: error: `;` expected but `{` found.
  private void foo() { return; }
                     ^
1 error

[magnolia-k]

src/compiler/scala/tools/nsc/javac/JavaParsers.scala should be modified as follows

--- a/src/compiler/scala/tools/nsc/javac/JavaParsers.scala
+++ b/src/compiler/scala/tools/nsc/javac/JavaParsers.scala
@@ -597,7 +597,7 @@ trait JavaParsers extends ast.parser.ParsersCommon with JavaScanners {
           val vparams = formalParams()
           if (!isVoid) rtpt = optArrayBrackets(rtpt)
           optThrows()
-          val isConcreteInterfaceMethod = !inInterface || (mods hasFlag Flags.JAVA_DEFAULTMETHOD) || (mods hasFlag Flags.STATIC)
+          val isConcreteInterfaceMethod = !inInterface || (mods hasFlag Flags.JAVA_DEFAULTMETHOD) || (mods hasFlag Flags.STATIC) || (mods hasFlag Flags.PRIVATE)
           val bodyOk = !(mods1 hasFlag Flags.DEFERRED) && isConcreteInterfaceMethod
           val body =
             if (bodyOk && in.token == LBRACE) {

[jxnu-liguobin]

@dengziming You can get it. 🌜 moyuzai

[dengziming]

I will check this since I am a newbie 🤝