Set the precedence to STRING_ADD in the constructor if either child is a string lit.  This may fix a stack overflow in OptimalCodeWriter when Jx compiles Grm.jx, but I'm not sure.
Set the precedence to STRING_ADD in the constructor if either child
is a string lit.  This may fix a stack overflow in OptimalCodeWriter
when Jx compiles Grm.jx, but I'm not sure.

liujed/polyglot-eclipse,blue-systems-group/project.maybe.polyglot,liujed/polyglot-eclipse,xcv58/polyglot,xcv58/polyglot,blue-systems-group/project.maybe.polyglot,blue-systems-group/project.maybe.polyglot,xcv58/polyglot,liujed/polyglot-eclipse,blue-systems-group/project.maybe.polyglot,liujed/polyglot-eclipse,xcv58/polyglot