hg: amber/amber/langtools: fixing the code for failing regression tests to pass

[vicente.romero at oracle.com]

Changeset: 450c259ad40a
Author:    vromero
Date:      2017-08-25 17:31 -0400
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/450c259ad40a

fixing the code for failing regression tests to pass

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symtab.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/ConstFold.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Lower.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Gen.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/util/SpecialConstantUtils.java
! test/tools/javac/diags/examples.not-yet.txt
! test/tools/javac/generics/inference/EagerReturnTypeResolution/EagerReturnTypeResolutionTestb.out
! test/tools/javac/lambda/ByteCodeTest.java
! test/tools/javac/varargs/6806876/T6806876.out