hg: amber/amber: Fixing String switch expression bug as reported by forax on amber-dev.

[jan.lahoda at oracle.com]

Changeset: 37bbcd1f1f50
Author:    jlahoda
Date:      2018-10-17 13:56 +0200
URL:       http://hg.openjdk.java.net/amber/amber/rev/37bbcd1f1f50

Fixing String switch expression bug as reported by forax on amber-dev.

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransSwitches.java
! test/langtools/tools/javac/switchexpr/ExpressionSwitch-old.out
! test/langtools/tools/javac/switchexpr/ExpressionSwitch.java