[8u40] Request for review: 8057800: Method reference with generic type creates NPE when compiling

[Vicente-Arturo Romero-Zaldivar]

Hi,

Please review the backport of this bug to 8u40. I'm asking for review as 
the patch didn't apply cleanly but the difference is minimal.

Thanks,
Vicente

Bug: https://bugs.openjdk.java.net/browse/JDK-8057800
Webrev: http://cr.openjdk.java.net/~vromero/8057800/webrev.00
JDK9 changeset: 
http://hg.openjdk.java.net/jdk9/jdk9/langtools/rev/211903a785f3

Thanks,
Vicente