RFR: 8232948: javac -h should mangle the overload argument signature [v2]

[Joel Borggrén-Franck]

> When overloaded methods are disambiguated the appended argument signature
> should be mangled according to the spec.

Joel Borggrén-Franck has updated the pull request incrementally with one additional commit since the last revision:

  8232948: Test should work with different EOL encondings

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4345/files
  - new: https://git.openjdk.java.net/jdk/pull/4345/files/36ef2c35..b258cc4a

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4345&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4345&range=00-01

  Stats: 19 lines in 1 file changed: 3 ins; 4 del; 12 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4345.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4345/head:pull/4345

PR: https://git.openjdk.java.net/jdk/pull/4345