hg: amber/amber: Fix: JDK-8187429: Missing unchecked conversion warning

[srikanth.adayapalam at oracle.com]

Changeset: 7a3fb234695d
Author:    sadayapalam
Date:      2017-10-17 12:35 +0530
URL:       http://hg.openjdk.java.net/amber/amber/rev/7a3fb234695d

Fix: JDK-8187429: Missing unchecked conversion warning
Fix: JDK-8187420: Error message mentions relevant types transposed

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
! test/langtools/tools/javac/patterns/DuplicateBindingTest.out
+ test/langtools/tools/javac/patterns/EnsureTypesOrderTest.java
+ test/langtools/tools/javac/patterns/EnsureTypesOrderTest.out
! test/langtools/tools/javac/patterns/ImpossibleTypeTest.out
+ test/langtools/tools/javac/patterns/UncheckedWarningOnMatchesTest.java
+ test/langtools/tools/javac/patterns/UncheckedWarningOnMatchesTest.out