}
		if !check.isTerminatingList(cc.Body, "") || hasBreakList(cc.Body, label, true) {
			return false
		}
	}
	return hasDefault
}

// TODO(gri) For nested breakable statements, the current implementation of hasBreak
// will traverse the same subtree repeatedly, once for each label. Replace
// with a single-pass label/break matching phase.

// hasBreak reports if s is or contains a break statement

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build gc && !purego

#include "textflag.h"

// This was ported from the amd64 implementation.

#define POLY1305_ADD(msg, h0, h1, h2, t0, t1, t2) \
	MOVD (msg), t0;  \
	MOVD 8(msg), t1; \
	MOVD $1, t2;     \
	ADDC t0, h0, h0; \
	ADDE t1, h1, h1; \
	ADDE t2, h2;     \
	ADD  $16, msg

// the header and payload are sent as a unit.
//
// The read and write halves of the connection are serialized independently,
// so no interlocking is required. However each half may be accessed
// concurrently so the implementation of conn should protect against
// concurrent reads or concurrent writes.
func NewClient(conn io.ReadWriteCloser) *Client {
	encBuf := bufio.NewWriter(conn)

/*
Package metrics provides a stable interface to access implementation-defined
metrics exported by the Go runtime. This package is similar to existing functions
like [runtime.ReadMemStats] and [runtime/debug.ReadGCStats], but significantly more general.

The set of metrics defined by this package may evolve as the runtime itself
evolves, and also enables variation across Go implementations, whose relevant
metric sets may not intersect.

// the last one mentioned will be the one that results.
func (t *Template) ParseGlob(pattern string) (*Template, error) {
	t.init()
	return parseGlob(t, pattern)
}

// parseGlob is the implementation of the function and method ParseGlob.
func parseGlob(t *Template, pattern string) (*Template, error) {
	filenames, err := filepath.Glob(pattern)
	if err != nil {
		return nil, err
	}
	if len(filenames) == 0 {

			return xset.terms.equal(yset.terms)
		}

	case *Interface:
		// Two interface types are identical if they describe the same type sets.
		// With the existing implementation restriction, this simplifies to:
		//
		// Two interface types are identical if they have the same set of methods with
		// the same names and identical function types, and if any type restrictions

package types2

import (
	"bytes"
	"fmt"
	"sort"
	"strings"
)

const (
	// Upper limit for recursion depth. Used to catch infinite recursions
	// due to implementation issues (e.g., see issues go.dev/issue/48619, go.dev/issue/48656).
	unificationDepthLimit = 50

	// Whether to panic when unificationDepthLimit is reached.
	// If disabled, a recursion depth overflow results in a (quiet)

		}
	}
	return i, i < n && s[i] == v
}

// TODO: IsPrint is a local implementation of unicode.IsPrint, verified by the tests
// to give the same answer. It allows this package not to depend on unicode,
// and therefore not pull in all the Unicode tables. If the linker were better
// at tossing unused tables, we could get rid of this implementation.
// That would be nice.

	if check.hasLabel {
		check.labels(body)
	}

	if sig.results.Len() > 0 && !check.isTerminating(body, "") {
		check.error(atPos(body.Rbrace), MissingReturn, "missing return")
	}

	// spec: "Implementation restriction: A compiler may make it illegal to
	// declare a variable inside a function body if the variable is never used."
	check.usage(sig.scope)
}

func (check *Checker) usage(scope *Scope) {
	var unused []*Var

package types

import (
	"bytes"
	"fmt"
	"sort"
	"strings"
)

const (
	// Upper limit for recursion depth. Used to catch infinite recursions
	// due to implementation issues (e.g., see issues go.dev/issue/48619, go.dev/issue/48656).
	unificationDepthLimit = 50

	// Whether to panic when unificationDepthLimit is reached.
	// If disabled, a recursion depth overflow results in a (quiet)