hg: jdk/jdk12: 8215510: j.l.c.ClassDesc is accepting descriptors not allowed by the spec

[vicente.romero at oracle.com]

Changeset: bae765528fcc
Author:    vromero
Date:      2019-01-09 08:07 -0500
URL:       http://hg.openjdk.java.net/jdk/jdk12/rev/bae765528fcc

8215510: j.l.c.ClassDesc is accepting descriptors not allowed by the spec
Reviewed-by: goetz

! src/java.base/share/classes/java/lang/constant/ClassDesc.java
! src/java.base/share/classes/java/lang/constant/ConstantUtils.java
! src/java.base/share/classes/java/lang/constant/DirectMethodHandleDescImpl.java
! src/java.base/share/classes/java/lang/constant/DynamicCallSiteDesc.java
! src/java.base/share/classes/java/lang/constant/DynamicConstantDesc.java
! src/java.base/share/classes/java/lang/constant/ReferenceClassDescImpl.java
! test/jdk/java/lang/constant/ClassDescTest.java
! test/jdk/java/lang/constant/NameValidationTest.java
! test/jdk/java/lang/constant/boottest/java.base/java/lang/constant/ConstantUtilsTest.java