init.Append(typecheck.Stmt(ir.NewAssignStmt(base.Pos, asanFilename, filename)))
		c = tconv(typecheck.NodAddr(asanFilename), types.Types[types.TUNSAFEPTR])
		c = tconv(c, types.NewPtr(defStringstruct))
		c = ir.NewSelectorExpr(base.Pos, ir.ODOT, c, lname("data"))
		init.Append(typecheck.Stmt(ir.NewAssignStmt(base.Pos, ir.NewSelectorExpr(base.Pos, ir.ODOT, asanLi, lname("filename")), c)))

	var init []ir.Node

	// generate sel-struct
	base.Pos = sellineno
	selv := typecheck.TempAt(base.Pos, ir.CurFunc, types.NewArray(scasetype(), int64(ncas)))
	init = append(init, typecheck.Stmt(ir.NewAssignStmt(base.Pos, selv, nil)))

	// No initialization for order; runtime.selectgo is responsible for that.
	order := typecheck.TempAt(base.Pos, ir.CurFunc, types.NewArray(types.Types[types.TUINT16], 2*int64(ncas)))

func initStackTemp(init *ir.Nodes, tmp *ir.Name, val ir.Node) *ir.AddrExpr {
	if val != nil && !types.Identical(tmp.Type(), val.Type()) {
		base.Fatalf("bad initial value for %L: %L", tmp, val)
	}
	appendWalkStmt(init, ir.NewAssignStmt(base.Pos, tmp, val))
	return typecheck.Expr(typecheck.NodAddr(tmp)).(*ir.AddrExpr)
}

// stackTempAddr returns the expression &tmp, where tmp is a newly
// allocated temporary variable of the given type. Statements to

	callx := typecheck.Call(pos, fn, []ir.Node{mdauspx, lenx, hashx,
		pkPathNode, pkIdNode, cmodeNode, cgranNode}, false)
	assign := callx
	if pkid == coverage.NotHardCoded {
		assign = typecheck.Stmt(ir.NewAssignStmt(pos, cnames.PkgIdVar, callx))
	}

	// Tack the call onto the start of our init function. We do this
	// early in the init since it's possible that instrumented function