tree fff887ebf06f916a4017fee0ebde1df3f4539167
parent b0c2b42e4082fd71bbfeb9e82f13e2b1c6b5b7b5
author Stuart Marks <smarks@openjdk.org> 1554828576 -0700
committer Stuart Marks <smarks@openjdk.org> 1554828576 -0700

8221924: get(null) on single-entry unmodifiable Map returns null instead of throwing NPE

Reviewed-by: redestad, lancea