RFR: 8287854: Dangling reference in ClassVerifier::verify_class [v2]

[Harold Seigel]

> Please review this small change to fix JDK_8287854.  The fix was tested with JCK lang and VM tests, Mach5 tiers 1 and 2 on Linux, Mac OS, and Windows (in progress), and Mach5 tiers 3-5 on Linux x64.
> 
> Thanks, Harold

Harold Seigel has updated the pull request incrementally with one additional commit since the last revision:

  embed method_signatures_table inside ClassVerifier

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/9075/files
  - new: https://git.openjdk.java.net/jdk/pull/9075/files/4f147448..fe09cfe6

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=9075&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=9075&range=00-01

  Stats: 17 lines in 2 files changed: 0 ins; 12 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk/pull/9075.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/9075/head:pull/9075

PR: https://git.openjdk.java.net/jdk/pull/9075