git: openjdk/jdk17u: master: 8269113: Javac throws when compiling switch (null)

[Yuri Nesterenko]

Changeset: 14e6913a
Author:    Ekaterina Vergizova <evergizova at openjdk.org>
Committer: Yuri Nesterenko <yan at openjdk.org>
Date:      2021-10-07 12:53:30 +0000
URL:       https://git.openjdk.java.net/jdk17u/commit/14e6913ab26ad6acd38ef4938c56276414b74d1f

8269113: Javac throws when compiling switch (null)

Backport-of: 18870284084aaaf729640de0105ce21e253546b9

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransPatterns.java
! test/langtools/tools/javac/patterns/SwitchErrors.java
! test/langtools/tools/javac/patterns/SwitchErrors.out
! test/langtools/tools/javac/patterns/Switches.java