// amd64:-`.*runtime\.panicmakeslicelen`
	// amd64:"MOVUPS\tX15"
	// ppc64x:-`.*runtime\.memclrNoHeapPointers`
	// ppc64x:-`.*runtime\.makeslice`
	// ppc64x:-`.*runtime\.panicmakeslicelen`
	return append(s, make([]int, int64(1<<2))...)
}

func SliceExtensionConstUint64(s []int) []int {
	// amd64:-`.*runtime\.memclrNoHeapPointers`
	// amd64:-`.*runtime\.makeslice`
	// amd64:-`.*runtime\.panicmakeslicelen`
	// amd64:"MOVUPS\tX15"

		if overflow || mem > maxAlloc || len < 0 {
			panicmakeslicelen()
		}
		panicmakeslicecap()
	}

	return mallocgc(mem, et, true)
}

func makeslice64(et *_type, len64, cap64 int64) unsafe.Pointer {
	len := int(len64)
	if int64(len) != len64 {
		panicmakeslicelen()
	}

	cap := int(cap64)
	if int64(cap) != cap64 {
		panicmakeslicecap()
	}

package goobj

var builtins = [...]struct {
	name string
	abi  int
}{
	{"runtime.newobject", 1},
	{"runtime.mallocgc", 1},
	{"runtime.panicdivide", 1},
	{"runtime.panicshift", 1},
	{"runtime.panicmakeslicelen", 1},
	{"runtime.panicmakeslicecap", 1},
	{"runtime.throwinit", 1},
	{"runtime.panicwrap", 1},
	{"runtime.gopanic", 1},
	{"runtime.gorecover", 1},
	{"runtime.goschedguarded", 1},
	{"runtime.goPanicIndex", 1},

	// if l2 >= 0 (likely happens), do nothing
	nifneg := ir.NewIfStmt(base.Pos, ir.NewBinaryExpr(base.Pos, ir.OGE, l2, ir.NewInt(base.Pos, 0)), nil, nil)
	nifneg.Likely = true

	// else panicmakeslicelen()
	nifneg.Else = []ir.Node{mkcall("panicmakeslicelen", nil, init)}
	nodes = append(nodes, nifneg)

	// s := l1
	s := typecheck.TempAt(base.Pos, ir.CurFunc, l1.Type())
	nodes = append(nodes, ir.NewAssignStmt(base.Pos, s, l1))

import "unsafe"

func newobject(typ *byte) *any
func mallocgc(size uintptr, typ *byte, needszero bool) unsafe.Pointer
func panicdivide()
func panicshift()
func panicmakeslicelen()
func panicmakeslicecap()
func throwinit()
func panicwrap()

func gopanic(interface{})
func gorecover(*int32) interface{}
func goschedguarded()

// Note: these declarations are just for wasm port.

}

var runtimeDecls = [...]struct {
	name string
	tag  int
	typ  int
}{
	{"newobject", funcTag, 4},
	{"mallocgc", funcTag, 8},
	{"panicdivide", funcTag, 9},
	{"panicshift", funcTag, 9},
	{"panicmakeslicelen", funcTag, 9},
	{"panicmakeslicecap", funcTag, 9},
	{"throwinit", funcTag, 9},
	{"panicwrap", funcTag, 9},
	{"gopanic", funcTag, 11},
	{"gorecover", funcTag, 14},
	{"goschedguarded", funcTag, 9},

		//     if len < 0 { panicmakeslicelen() }
		//     panicmakeslicecap()
		// }
		nif := ir.NewIfStmt(base.Pos, ir.NewBinaryExpr(base.Pos, ir.OGT, typecheck.Conv(l, types.Types[types.TUINT64]), ir.NewInt(base.Pos, i)), nil, nil)
		niflen := ir.NewIfStmt(base.Pos, ir.NewBinaryExpr(base.Pos, ir.OLT, l, ir.NewInt(base.Pos, 0)), nil, nil)
		niflen.Body = []ir.Node{mkcall("panicmakeslicelen", nil, init)}

			if fn := n.Fun.Sym().Name; base.Flag.CompilingRuntime && fn == "throw" ||
				n.Fun.Sym().Pkg == ir.Pkgs.Runtime &&
					(fn == "throwinit" || fn == "gopanic" || fn == "panicwrap" || fn == "block" ||
						fn == "panicmakeslicelen" || fn == "panicmakeslicecap" || fn == "panicunsafeslicelen" ||
						fn == "panicunsafeslicenilptr" || fn == "panicunsafestringlen" || fn == "panicunsafestringnilptr" ||
						fn == "panicrangestate") {
				m := s.mem()