hg: jdk/sandbox: 8223723: j.l.c.MethodTypeDesc.dropParameterTypes? throws the undocumented exception: IllegalArgumentException

[chris.hegarty at oracle.com]

Changeset: e022b9cb35a5
Author:    vromero
Date:      2019-05-21 15:44 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/e022b9cb35a5

8223723: j.l.c.MethodTypeDesc.dropParameterTypes? throws the undocumented exception: IllegalArgumentException
Reviewed-by: rriggs

! src/java.base/share/classes/java/lang/constant/MethodTypeDesc.java
! src/java.base/share/classes/java/lang/constant/MethodTypeDescImpl.java
! test/jdk/java/lang/constant/MethodTypeDescTest.java