Can not build vectorIntrinsics on Windows

[Lev Serebryakov]

 Latest sources (updated 10 minutes ago):

vectorIntrinsics           58607:0aa82641180

 Windows 10, cygwin 64, Microsoft VS 2017 / Community.

 Build failed:

* For target hotspot_variant-server_libjvm_objs_dfa_x86.obj:
dfa_x86.cpp
c:/home/ref/panama/build/windows-x86_64-server-release/hotspot/variant-server/gensrc/adfiles/dfa_x86.cpp(25657):
error C2220: warning treated as error - no 'object' file generated
c:/home/ref/panama/build/windows-x86_64-server-release/hotspot/variant-server/gensrc/adfiles/dfa_x86.cpp(25657):
warning C4554: '&': check operator precedence for possible error; use
parentheses to clarify precedence
   ... (rest of output omitted)

-- 
// Black Lion AKA Lev Serebryakov