import (
	"go/ast"
	"go/types"

	"golang.org/x/tools/go/ast/astutil"
	"golang.org/x/tools/internal/typeparams"
)

// Callee returns the named target of a function call, if any:
// a function, method, builtin, or variable.
//
// Functions and methods may potentially have type parameters.
func Callee(info *types.Info, call *ast.CallExpr) types.Object {
	fun := astutil.Unparen(call.Fun)

	// Look through type instantiation if necessary.

			base.ErrorfAt(fn.WBPos, 0, "write barrier prohibited by caller; %v%s", fn.Nname, err.String())
			continue
		}

		// Enqueue fn's calls.
		for _, callee := range c.extraCalls[fn] {
			enqueue(fn, callee.target, callee.lineno)
		}
		if fn.NWBRCalls == nil {
			continue
		}
		for _, callee := range *fn.NWBRCalls {
			target := symToFunc[callee.Sym]
			if target != nil {
				enqueue(fn, target, callee.Pos)
			}

	selectA := func(gotI int) Adder {
		if gotI != selectI {
			panic(fmt.Sprintf("selectA not called once per iteration; got i %d want %d", gotI, selectI))
		}
		selectI++

		if gotI%10 == 0 {
			return a2
		}
		return a1
	}
	oneI := 0
	one := func(gotI int) int {
		if gotI != oneI {
			panic(fmt.Sprintf("one not called once per iteration; got i %d want %d", gotI, oneI))
		}
		oneI++

//
// Note that there is a race between active and the finalizer set on the
// returned activeCert, triggered if active is called after the ref count is
// decremented such that refs may be > 0 when evict is called. We consider this
// safe, since the caller holding an activeCert for an entry that is no longer
// in the cache is fine, with the only side effect being the memory overhead of

		return nil, nil
	}

	// Note: (*"encoding/json".Decoder).Decode, (* "encoding/gob".Decoder).Decode
	// and (* "encoding/xml".Decoder).Decode are methods and can be a typeutil.Callee
	// without directly importing their packages. So we cannot just skip this package
	// when !analysisutil.Imports(pass.Pkg, "encoding/...").
	// TODO(taking): Consider using a prepass to collect typeutil.Callees.

// DeclFunc declares the parameters for fn and adds it to
// Target.Funcs.
//
// Before returning, it sets CurFunc to fn. When the caller is done
// constructing fn, it must call FinishFuncBody to restore CurFunc.
func DeclFunc(fn *ir.Func) {
	fn.DeclareParams(true)
	fn.Nname.Defn = fn
	Target.Funcs = append(Target.Funcs, fn)

	funcStack = append(funcStack, ir.CurFunc)
	ir.CurFunc = fn
}

	}

	return &Profile{
		TotalWeight:  totalWeight,
		NamedEdgeMap: namedEdgeMap,
	}, nil
}

// createNamedEdgeMap builds a map of callsite-callee edge weights from the
// profile-graph.
//
// Caller should ignore the profile if totalWeight == 0.
func createNamedEdgeMap(g *profile.Graph) (edgeMap NamedEdgeMap, totalWeight int64, err error) {
	seenStartLine := false

	if !p {
		msg := "assertion failed"
		// Include information about the assertion location. Due to panic recovery,
		// this location is otherwise buried in the middle of the panicking stack.
		if _, file, line, ok := runtime.Caller(1); ok {
			msg = fmt.Sprintf("%s:%d: %s", file, line, msg)
		}
		panic(msg)
	}
}

// An errorDesc describes part of a type-checking error.
type errorDesc struct {
	pos syntax.Pos
	msg string
}

-- $WORK/overlay/carve-nomod-go-mod --
module carve/nomod
-- carve2/go.mod --
module carve2
-- carve2/p.go --
package p
-- carve2/nomod/overlay.json --
{
	"Replace": {
		"go.mod": "../../../../overlay/carve2-nomod-go.mod"
	}
}
-- carve2/nomod/b.go --
package nomod
-- $WORK/overlay/carve2-nomod-go.mod --

// call a context cancellation function.
//
// # Analyzer lostcancel
//
// lostcancel: check cancel func returned by context.WithCancel is called
//
// The cancellation function returned by context.WithCancel, WithTimeout,
// and WithDeadline must be called or the new context will remain live
// until its parent context is cancelled.
// (The background context is never cancelled.)