FIXME cleanup for a few API primitives
FIXME cleanup for a few API primitives

Impose a valstack_max check for duk_xmove() to ensure wrapping is not
possible.

chenyaqiuqiu/duktape,reqshark/duktape,kphillisjr/duktape,chenyaqiuqiu/duktape,haosu1987/duktape,chenyaqiuqiu/duktape,nivertech/duktape,harold-b/duktape,sloth4413/duktape,rwaldron/duktape,tassmjau/duktape,daimajia/duktape,pombredanne/duktape,pombredanne/duktape,svaarala/duktape,daimajia/duktape,kphillisjr/duktape,thurday/duktape,harold-b/duktape,skomski/duktape,thurday/duktape,thurday/duktape,haosu1987/duktape,zeropool/duktape,sloth4413/duktape,harold-b/duktape,daimajia/duktape,chenyaqiuqiu/duktape,chenyaqiuqiu/duktape,haosu1987/duktape,jmptrader/duktape,zeropool/duktape,svaarala/duktape,nivertech/duktape,kphillisjr/duktape,kphillisjr/duktape,markand/duktape,svaarala/duktape,sloth4413/duktape,haosu1987/duktape,zeropool/duktape,sloth4413/duktape,reqshark/duktape,rwaldron/duktape,chenyaqiuqiu/duktape,nivertech/duktape,nivertech/duktape,sloth4413/duktape,haosu1987/duktape,harold-b/duktape,nivertech/duktape,harold-b/duktape,svaarala/duktape,jmptrader/duktape,tassmjau/duktape,nivertech/duktape,eddieh/duktape,reqshark/duktape,jmptrader/duktape,thurday/duktape,chenyaqiuqiu/duktape,harold-b/duktape,eddieh/duktape,pombredanne/duktape,chenyaqiuqiu/duktape,haosu1987/duktape,svaarala/duktape,chenyaqiuqiu/duktape,daimajia/duktape,skomski/duktape,haosu1987/duktape,svaarala/duktape,zeropool/duktape,rwaldron/duktape,sloth4413/duktape,tassmjau/duktape,pombredanne/duktape,reqshark/duktape,eddieh/duktape,harold-b/duktape,eddieh/duktape,tassmjau/duktape,reqshark/duktape,jmptrader/duktape,chenyaqiuqiu/duktape,sloth4413/duktape,thurday/duktape,eddieh/duktape,daimajia/duktape,markand/duktape,haosu1987/duktape,eddieh/duktape,tassmjau/duktape,eddieh/duktape,skomski/duktape,sloth4413/duktape,kphillisjr/duktape,harold-b/duktape,tassmjau/duktape,markand/duktape,reqshark/duktape,zeropool/duktape,skomski/duktape,markand/duktape,svaarala/duktape,skomski/duktape,zeropool/duktape,pombredanne/duktape,skomski/duktape,pombredanne/duktape,harold-b/duktape,pombredanne/duktape,haosu1987/duktape,eddieh/duktape,zeropool/duktape,markand/duktape,thurday/duktape,jmptrader/duktape,tassmjau/duktape,eddieh/duktape,kphillisjr/duktape,reqshark/duktape,svaarala/duktape,jmptrader/duktape,jmptrader/duktape,kphillisjr/duktape,rwaldron/duktape,thurday/duktape,skomski/duktape,pombredanne/duktape,pombredanne/duktape,jmptrader/duktape,rwaldron/duktape,markand/duktape,nivertech/duktape,markand/duktape,thurday/duktape,rwaldron/duktape,reqshark/duktape,zeropool/duktape,markand/duktape,pombredanne/duktape,sloth4413/duktape,skomski/duktape,jmptrader/duktape,reqshark/duktape,reqshark/duktape,thurday/duktape,tassmjau/duktape,kphillisjr/duktape,daimajia/duktape,jmptrader/duktape,eddieh/duktape,haosu1987/duktape,skomski/duktape,kphillisjr/duktape,tassmjau/duktape,tassmjau/duktape,markand/duktape,nivertech/duktape,nivertech/duktape,zeropool/duktape,kphillisjr/duktape,thurday/duktape,nivertech/duktape,svaarala/duktape,zeropool/duktape,harold-b/duktape,markand/duktape,sloth4413/duktape,skomski/duktape