// If the value is outside this range, a default value will be
	// used instead.
	MaxUploadBufferPerConnection int32

	// MaxUploadBufferPerStream is the size of the initial flow control
	// window for each stream. The HTTP/2 spec does not allow this to
	// be larger than 2^32-1. If the value is zero or larger than the
	// maximum, a default value will be used instead.

	fwdVars map[ir.Node]*ssa.Value

	// all defined variables at the end of each block. Indexed by block ID.
	defvars []map[ir.Node]*ssa.Value

	// addresses of PPARAM and PPARAMOUT variables on the stack.
	decladdrs map[*ir.Name]*ssa.Value

	// starting values. Memory, stack pointer, and globals pointer
	startmem *ssa.Value
	sp       *ssa.Value
	sb       *ssa.Value