alias.typ = Typ[Invalid]
}

// validAlias records that alias has the valid type typ (possibly Typ[Invalid]).
func (check *Checker) validAlias(alias *TypeName, typ Type) {
	assert(!check.conf._EnableAlias)
	delete(check.brokenAliases, alias)
	alias.typ = typ
}

// isBrokenAlias reports whether alias doesn't have a determined type yet.
func (check *Checker) isBrokenAlias(alias *TypeName) bool {

			// the session ticket. See RFC 5077, Section 3.2.
			//
			// RFC 8446 makes no mention of dropping tickets on failure, but it
			// does require servers to abort on invalid binders, so we need to
			// delete tickets to recover from a corrupted PSK.
			if err != nil {
				if cacheKey := c.clientSessionCacheKey(); cacheKey != "" {
					c.config.ClientSessionCache.Put(cacheKey, nil)
				}
			}
		}()
	}

	// Checker.resolveBaseTypeName ensures that obj is not an alias name
	// if it has attached methods.)
	methods := check.methods[obj]
	if methods == nil {
		return
	}
	delete(check.methods, obj)
	assert(!check.objMap[obj].tdecl.Alias) // don't use TypeName.IsAlias (requires fully set up object)

	// use an objset to check for name conflicts
	var mset objset

	// because state.vars has been reset by the preceding state.startBlock.
	// They only enforce the fact that these variables are no longer need in
	// the current scope.
	delete(s.vars, ptrVar)
	delete(s.vars, lenVar)
	if !inplace {
		delete(s.vars, capVar)
	}

	// make result
	if inplace {
		return nil
	}
	return s.newValue3(ssa.OpSliceMake, n.Type(), p, l, c)
}

	}

	return b
}

var builderWorkDirs sync.Map // *Builder → WorkDir

func (b *Builder) Close() error {
	wd, ok := builderWorkDirs.Load(b)
	if !ok {
		return nil
	}
	defer builderWorkDirs.Delete(b)

	if b.WorkDir != wd.(string) {
		base.Errorf("go: internal error: Builder WorkDir unexpectedly changed from %s to %s", wd, b.WorkDir)
	}

	if !cfg.BuildWork {

				Name:       "file2",
				PAXRecords: map[string]string{"path": "file2"},
			}, nil},
			testHeader{Header{
				Typeflag:   TypeXGlobalHeader,
				PAXRecords: map[string]string{"path": ""}, // Should delete "path", but keep "mtime"
			}, nil},
			testHeader{Header{
				Typeflag: TypeReg, Name: "file3",
			}, nil},
			testHeader{Header{
				Typeflag:   TypeReg,
				Name:       "file4",

func (c *lruSessionCache) Put(sessionKey string, cs *ClientSessionState) {
	c.Lock()
	defer c.Unlock()

	if elem, ok := c.m[sessionKey]; ok {
		if cs == nil {
			c.q.Remove(elem)
			delete(c.m, sessionKey)
		} else {
			entry := elem.Value.(*lruSessionCacheEntry)
			entry.state = cs
			c.q.MoveToFront(elem)
		}
		return
	}

	if c.q.Len() < c.capacity {

// values associated with key.
func (v Values) Add(key, value string) {
	v[key] = append(v[key], value)
}

// Del deletes the values associated with key.
func (v Values) Del(key string) {
	delete(v, key)
}

// Has checks whether a given key is set.
func (v Values) Has(key string) bool {
	_, ok := v[key]
	return ok
}

// ParseQuery parses the URL-encoded query string and returns

	// Checker.resolveBaseTypeName ensures that obj is not an alias name
	// if it has attached methods.)
	methods := check.methods[obj]
	if methods == nil {
		return
	}
	delete(check.methods, obj)
	assert(!check.objMap[obj].tdecl.Assign.IsValid()) // don't use TypeName.IsAlias (requires fully set up object)

	// use an objset to check for name conflicts
	var mset objset

}

// Remove removes the execution stack associated with value from the profile.
// It is a no-op if the value is not in the profile.
func (p *Profile) Remove(value any) {
	p.mu.Lock()
	defer p.mu.Unlock()
	delete(p.m, value)
}

// WriteTo writes a pprof-formatted snapshot of the profile to w.
// If a write to w returns an error, WriteTo returns that error.
// Otherwise, WriteTo returns nil.
//