for i, c := range cases {
		t.Run(fmt.Sprintf("case %d %q", i, c.args), func(t *testing.T) {
			args := strings.Split(c.args, " ")
			setFlag := fmt.Sprintf("installPackagePath=%s", snapshotCharts)
			by := &bytes.Buffer{}
			_, err := profileDiffInternal(args[len(args)-2], args[len(args)-1], []string{setFlag}, by, l)
			verifyProfileDiffCommandCaseOutput(t, c, by.String(), err)
		})
	}
}

	// sure that we don't end up doing O(n^2) work
	// for a chain of n copies.
	for v != w {
		x := v.Args[0]
		v.SetArg(0, w)
		v = x
	}
	return w
}

// copyelimValue ensures that no args of v are copies.
func copyelimValue(v *Value) {
	for i, a := range v.Args {
		if a.Op == OpCopy {
			v.SetArg(i, copySource(a))
		}
	}
}

// phielim eliminates redundant phi values from f.

            return host;
        }
    }

    protected String toAscii(final String host) {
        return IDN.toASCII(decode(host), flag);
    }

    public void setFlag(final int flag) {
        this.flag = flag;
    }

    public void setEncoding(final String encoding) {
        this.encoding = encoding;
    }

func gcWriteBarrierSI()
func gcWriteBarrierR8()
func gcWriteBarrierR9()

// stackcheck checks that SP is in range [g->stack.lo, g->stack.hi).
func stackcheck()

// Called from assembly only; declared for go vet.
func settls() // argument in DI

// Retpolines, used by -spectre=ret flag in cmd/asm, cmd/compile.
func retpolineAX()
func retpolineCX()
func retpolineDX()
func retpolineBX()
func retpolineBP()
func retpolineSI()

	// function.
	*(*uint64)(unsafe.Pointer(uintptr(sp - goarch.PtrSize))) = c.r29()

	pc := gp.sigpc

	if shouldPushSigpanic(gp, pc, uintptr(c.lr())) {
		// Make it look the like faulting PC called sigpanic.
		c.set_lr(uint64(pc))
	}

	// In case we are panicking from external C code
	c.set_r28(uint64(uintptr(unsafe.Pointer(gp))))
	c.set_pc(uint64(abi.FuncPCABIInternal(sigpanic)))
}

		// it may hit stack split that is not expected here.
		if gp != nil {
			setg(nil)
		}
		badsignal(uintptr(sig), c)
		// Restore g
		if gp != nil {
			setg(gp)
		}
		return
	}

	setg(gp.m.gsignal)

	// If some non-Go code called sigaltstack, adjust.
	var gsignalStack gsignalStack

	for _, b := range f.Blocks {
		for _, v := range b.Values {
			for i, a := range v.Args {
				if opcodeTable[a.Op].argLen == 0 {
					key := vkey{a.Op, keyFor(a), a.Aux, a.Type}
					if rv, ok := vals[key]; ok {
						v.SetArg(i, rv)
					}
				}
			}
		}
	}
}

// vkey is a type used to uniquely identify a zero arg value.
type vkey struct {
	op Op
	ai int64       // aux int
	ax Aux         // aux

func (c *sigctxt) sigaddr() uint32 { return uint32(c.info.si_addr) }

func (c *sigctxt) set_pc(x uint32)  { c.regs().__gregs[15] = x }
func (c *sigctxt) set_sp(x uint32)  { c.regs().__gregs[13] = x }
func (c *sigctxt) set_lr(x uint32)  { c.regs().__gregs[14] = x }
func (c *sigctxt) set_r10(x uint32) { c.regs().__gregs[10] = x }

func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
func (c *sigctxt) set_sigaddr(x uint32) {

func (c *sigctxt) sigaddr() uint32 { return c.info.si_addr }

func (c *sigctxt) set_pc(x uint32)  { c.regs().pc = x }
func (c *sigctxt) set_sp(x uint32)  { c.regs().sp = x }
func (c *sigctxt) set_lr(x uint32)  { c.regs().lr = x }
func (c *sigctxt) set_r10(x uint32) { c.regs().r10 = x }

func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
func (c *sigctxt) set_sigaddr(x uint32) {

	return p[k]
}

func (p Params) GetWellKnown(k WellKnown) any {
	return p[k.String()]
}

func (p Params) Set(k string, v any) Params {
	p[k] = v
	return p
}

func (p Params) SetAll(other Params) Params {
	for k, v := range other {
		p[k] = v
	}
	return p
}

func (p Params) SetAllNoOverwrite(other Params) Params {
	for k, v := range other {
		if !p.Contains(k) {
			p[k] = v
		}