hg: jdk9/hs/hotspot: 8149607: [Verifier] Do not verify pop, pop2, swap, dup* against top

[harold.seigel at oracle.com]

Changeset: 58f48dcb73c8
Author:    hseigel
Date:      2016-09-14 10:02 -0400
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/58f48dcb73c8

8149607: [Verifier] Do not verify pop, pop2, swap, dup* against top
Summary: Throw VerifyError exception if type top is illegally popped from the stack.
Reviewed-by: coleenp, acorn, ddmitriev

! src/share/vm/classfile/verificationType.hpp
+ test/runtime/verifier/popTopTests/PopDupTop.java
+ test/runtime/verifier/popTopTests/popDupSwapTests.jasm