hg: jdk10/hs/hotspot: 8171194: Exception "Duplicate field name&signature in class file" should report the name and signature of the field

[kevin.walls at oracle.com]

Changeset: f428e14d3287
Author:    shshahma
Date:      2017-02-28 20:32 -0800
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/f428e14d3287

8171194: Exception "Duplicate field name&signature in class file" should report the name and signature of the field
Summary: Added code to emit name and signature of duplicate field in java.lang.ClassFormatError exception message
Reviewed-by: dholmes, coleenp

! src/share/vm/classfile/classFileError.cpp
! src/share/vm/classfile/classFileParser.cpp
! src/share/vm/classfile/classFileParser.hpp