hg: jdk/submit: 8212982: Rule cases in switch expression accepted even if complete normally

[jan.lahoda at oracle.com]

Changeset: 6938c8ef179a
Author:    jlahoda
Date:      2018-11-21 15:22 +0100
URL:       http://hg.openjdk.java.net/jdk/submit/rev/6938c8ef179a

8212982: Rule cases in switch expression accepted even if complete normally
Summary: Ensure an error is reported if switch expression does not correctly produce a value.
Reviewed-by: mcimadamore

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties
! src/jdk.compiler/share/classes/com/sun/tools/javac/tree/JCTree.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/tree/TreeInfo.java
+ test/langtools/tools/javac/diags/examples/RuleCompletesNormally.java
+ test/langtools/tools/javac/diags/examples/SwitchExpressionCompletesNormally.java
! test/langtools/tools/javac/expswitch/ExpSwitchNestingTest.java
+ test/langtools/tools/javac/switchexpr/ExpressionSwitchFlow.java
+ test/langtools/tools/javac/switchexpr/ExpressionSwitchFlow.out