The emscripten GC must be manually invoked, it will not act by itself

Property definitions

emscripten :: emscripten $ Sys :: suggest_garbage_collection
	# The emscripten GC *must* be manually invoked, it will not act by itself
	fun suggest_garbage_collection `{ GC_MAYBE_COLLECT(); `}
lib/emscripten/emscripten.nit:44,2--45,57