hg: jdk/sandbox: 8190452: javac should not add MethodParameters attributes to v51 and earlier class files

[chris.hegarty at oracle.com]

Changeset: c9ab849cd2f5
Author:    cushon
Date:      2018-02-05 10:43 -0500
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/c9ab849cd2f5

8190452: javac should not add MethodParameters attributes to v51 and earlier class files
Reviewed-by: vromero, jjg

! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassWriter.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Target.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/main/Arguments.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties
+ test/langtools/tools/javac/MethodParameters/LegacyOutputTest/LegacyOutputTest.java
+ test/langtools/tools/javac/diags/examples/ParametersUnsupported.java