This test exercises the Definition request in a Go assembly file.

For now we support only references to package-level symbols defined in
the same package or a dependency.

Repeatedly jumping to Definition on ff ping-pongs between the Go and
assembly declarations.

-- go.mod --
module example.com
go 1.18

-- a/a.go --
package a

import _ "fmt"
import _ "example.com/b"

func ff() //@ loc(ffgo, re"()ff"), def("ff", ffasm)

var _ = ff // pacify unusedfunc analyzer

-- a/asm.s --
// portable assembly

TEXT ·ff(SB), $16                       //@ loc(ffasm, "ff"), def("ff", ffgo)
        CALL    example·com∕b·B         //@ def("com", bB)
        JMP     ·ff                     //@ def("ff", ffgo)
	JMP     label			//@ def("label", label)
label:					//@ loc(label,"label")
        RET

-- b/b.go --
package b

func B() {} //@ loc(bB, re"()B")
