RFR: 8254586: Replace fthrow() calls with simpler method calls in classFileParser.cpp [v2]

[Harold Seigel]

> Hi,
> Please review this small change to simplify exception throwing in classFileParser.cpp  The change was tested with tiers
> one and two on Windows, Linux x64, and Mac OSX, and with tiers 3-5 on Linux x64.
> Thanks, Harold

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

  8254586: Replace fthrow() calls with simpler method calls in classFileParser.cpp

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/618/files
  - new: https://git.openjdk.java.net/jdk/pull/618/files/feb343c4..3c4d6e26

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=618&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=618&range=00-01

  Stats: 171 lines in 2 files changed: 77 ins; 0 del; 94 mod
  Patch: https://git.openjdk.java.net/jdk/pull/618.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/618/head:pull/618

PR: https://git.openjdk.java.net/jdk/pull/618