RFR: 8255968: Confusing error message for inaccessible constructor [v2]

[Guoxiong Li]

> Hi all,
> 
> When using inaccessible constructor, compiler would output some confusing error message occasionally. These confusing error message is related to the constructor order. See [JDK-8255968](https://bugs.openjdk.java.net/browse/JDK-8255968) for more information.
> This patch solves this bug, regardless of the construction order, compiler can always output expected message.
> Thank you for taking the time to review.
> 
> Best Regards.

Guoxiong Li has updated the pull request incrementally with one additional commit since the last revision:

  Unify error messages for inaccessible constructor

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/1389/files
  - new: https://git.openjdk.java.net/jdk/pull/1389/files/020311a1..a9a68149

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1389&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1389&range=00-01

  Stats: 87 lines in 16 files changed: 75 ins; 5 del; 7 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1389.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1389/head:pull/1389

PR: https://git.openjdk.java.net/jdk/pull/1389