[backport] Support methodHandle / invokeDynamic constant pool entries in scalap

Add support in scalap to parse new constant pool entries
  - MethodHandle
  - MethodType
  - InvokeDynamic

Spec: https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html

2 files changed, 16 insertions, 0 deletions

diff --git a/test/files/run/scalapInvokedynamic.check b/test/files/run/scalapInvokedynamic.check
new file mode 100644
index 0000000000..8e4b08f234
--- /dev/null
+++ b/test/files/run/scalapInvokedynamic.check
@@ -0,0 +1,5 @@
+class C extends scala.AnyRef {
+  def this() = { /* compiled code */ }
+  def m: java.lang.String = { /* compiled code */ }
+}
+
diff --git a/test/files/run/scalapInvokedynamic.scala b/test/files/run/scalapInvokedynamic.scala
new file mode 100644
index 0000000000..670cf26662
--- /dev/null
+++ b/test/files/run/scalapInvokedynamic.scala
@@ -0,0 +1,11 @@
+class C {
+  def m = {
+    val f = (x: String) => x.trim
+    f(" H ae i  ")
+  }
+}
+
+object Test extends App {
+  val testClassesDir = System.getProperty("partest.output")
+  scala.tools.scalap.Main.main(Array("-cp", testClassesDir, "C"))
+}
\ No newline at end of file