[Jsource] cc.c(487) : error C2065: 'jt' : undeclared identifier

[Akakima]

I am trying to compile J (with VS2013) and get an error :
cc.c
cc.c(487) : error C2065: 'jt' : undeclared identifier
cc.c(487) : error C2223: left of '->typesizes' must point to struct/union
cc.c(487) : error C2168: '_tzcnt_u32' : too few actual parameters for 
intrinsic function

Any one can reproduce this ?
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