}
	}
}

// has reports whether all of the flags in cond are set in af.
func (af *atomicLoadPkgFlags) has(cond loadPkgFlags) bool {
	return loadPkgFlags(af.bits.Load())&cond == cond
}

// isTest reports whether pkg is a test of another package.
func (pkg *loadPkg) isTest() bool {
	return pkg.testOf != nil
}

// fromExternalModule reports whether pkg was loaded from a module other than

				// it unresolved. Either some other query (perhaps a wildcard matching a
				// newly-added dependency for some other missing package) will fill in
				// the gaps, or we will report an error (with a better import stack) in
				// the final LoadPackages call.
				return true
			}
		}

		mu.Lock()
		upgrades = append(upgrades, pathSet{path: path, pkgMods: pkgMods, err: err})
		mu.Unlock()

	}

	// V1 has no method m. Should not report wrongType.
	checkMissingMethod("V1", false)

	// V2 has method m with wrong signature type (ignoring receiver). Should report wrongType.
	checkMissingMethod("V2", true)

	// V3 has no method m but it exists on *V3. Should report wrongType.
	checkMissingMethod("V3", true)

	// V4 has no method m but has M. Should not report wrongType.
	checkMissingMethod("V4", false)

		// not usually a good experience.
		//
		// Instead, we forbid resolving import paths to modules other than std and
		// cmd. Users may still build packages specified with .go files on the
		// command line, but they'll see an error if those files import anything
		// outside std.
		//
		// This can be overridden by calling AllowMissingModuleImports.

			actual = f(tc.in, tc.arg)
		} else {
			actual = fb(tc.in, []byte(tc.arg))
		}
		report := func(s []byte) string {
			if s == nil {
				return "nil"
			} else {
				return fmt.Sprintf("%q", s)
			}
		}
		if len(actual) != 0 {
			t.Errorf("%s(%s, %q) returned non-empty value", name, report(tc.in), tc.arg)
		} else {
			actualNil := actual == nil
			outNil := tc.out == nil

	if cfg.BuildCover {
		for _, p := range pkgs {
			// sync/atomic import is inserted by the cover tool if
			// we're using atomic mode (and not compiling
			// sync/atomic package itself). See #18486 and #57445.
			// Note that this needs to be done prior to any of the
			// builderTest invocations below, due to the fact that
			// a given package in the 'pkgs' list may import
			// package Q which appears later in the list (if this

	// otherwise-missing test dependencies for packages in "all". For those test
	// dependencies, we prefer to add roots for packages with shorter import
	// stacks first, on the theory that the module requirements for those will
	// tend to fill in the requirements for their transitive imports (which have
	// deeper import stacks). So we add the missing dependencies for one depth at
	// a time, starting with the packages actually in "all" and expanding outwards

func (check *Checker) matchTypes(x, y *operand) {
	// mayConvert reports whether the operands x and y may
	// possibly have matching types after converting one
	// untyped operand to the type of the other.
	// If mayConvert returns true, we try to convert the
	// operands to each other's types, and if that fails
	// we report a conversion failure.
	// If mayConvert returns false, we continue without an

	tg.setenv("GOCACHE", tg.tempdir)

	tg.run("list", "-f", "{{.Export}}", "strings")
	if tg.stdout.String() != "" {
		t.Fatalf(".Export without -export unexpectedly set")
	}
	tg.run("list", "-export", "-f", "{{.Export}}", "strings")
	file := strings.TrimSpace(tg.stdout.String())
	if file == "" {
		t.Fatalf(".Export with -export was empty")
	}
	if _, err := os.Stat(file); err != nil {

// values are taken into account.
func (tr *TypeRepr) String() string {
	if len(tr.Repr) == 0 {
		return ""
	}
	if len(tr.FormatArgs) == 0 {
		return tr.Repr
	}
	return fmt.Sprintf(tr.Repr, tr.FormatArgs...)
}

// Empty reports whether the result of String would be "".
func (tr *TypeRepr) Empty() bool {
	return len(tr.Repr) == 0
}

// Set modifies the type representation.