RFR: [Backport] JDK11-8193367 annotated type variables bounds crash javac

[Adam Sotona]

Hi,
Please review backport of 8193367 into JDK 11.

Original patch at http://hg.openjdk.java.net/jdk/jdk/rev/a772e65727c5 <http://hg.openjdk.java.net/jdk/jdk/rev/a772e65727c5> has just minor conflicts in copyright headers and in one code fragment with JDK 11 repository.

New patch differs in functionality with the original just in one block in src/jdk.compiler/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java:
< -                            if (tv.bound.getKind() == TypeKind.INTERSECTION) {
< +                            if (tv.getUpperBound().getKind() == TypeKind.INTERSECTION) {
versus:
> -                        return isIntersectionOrUnionType(tv.bound);
> +                        return isIntersectionOrUnionType(tv.getUpperBound());

Patched JDK 11 passed all Tier 1, 2 and 3 tests.

Original JBS: https://bugs.openjdk.java.net/browse/JDK-8193367 <https://bugs.openjdk.java.net/browse/JDK-8193367>
Webrev: http://cr.openjdk.java.net/~asotona/8193367/webrev.00/ <http://cr.openjdk.java.net/~asotona/8193367/webrev.00/>
Backport JBS: https://bugs.openjdk.java.net/browse/JDK-8248014 <https://bugs.openjdk.java.net/browse/JDK-8248014>

Thanks,
Adam
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