[jdk11u-dev] RFR: 8210495: compiler crashes because of illegal signature in otherwise legal code [v2]

[Aditya Mandaleeka]

> This is a backport of 8210495.
> 
> Fix request for 11u approved here: https://bugs.openjdk.java.net/browse/JDK-8210495

Aditya Mandaleeka has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  8210495: compiler crashes because of illegal signature in otherwise legal code.

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Changes:
  - all: https://git.openjdk.java.net/jdk11u-dev/pull/14/files
  - new: https://git.openjdk.java.net/jdk11u-dev/pull/14/files/24d8e404..565cf121

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=14&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=14&range=00-01

  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/14.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/14/head:pull/14

PR: https://git.openjdk.java.net/jdk11u-dev/pull/14