and:
        buildFile << """
model {
    components {
        main(NativeExecutableSpec) {
            sources {
                sumAsm(AssemblerSourceSet) {
                    source {
                        srcDir "src/main/sum-sources"
                    }
                }
            }
        }
    }
}
"""

        when:

	symSiggen // type symbol has been generated
	symAsm    // on asmlist, for writing to -asmhdr
	symFunc   // function symbol
)

func (sym *Sym) OnExportList() bool { return sym.flags&symOnExportList != 0 }
func (sym *Sym) Uniq() bool         { return sym.flags&symUniq != 0 }
func (sym *Sym) Siggen() bool       { return sym.flags&symSiggen != 0 }
func (sym *Sym) Asm() bool          { return sym.flags&symAsm != 0 }

func mergeSummaries(sums []pallocSum, logMaxPagesPerSum uint) pallocSum {
	// Merge the summaries in sums into one.
	//
	// We do this by keeping a running summary representing the merged
	// summaries of sums[:i] in start, most, and end.
	start, most, end := sums[0].unpack()
	for i := 1; i < len(sums); i++ {
		// Merge in sums[i].
		si, mi, ei := sums[i].unpack()

// WriteGoSum writes the go.sum file if it needs to be updated.
//
// keep is used to check whether a newly added sum should be saved in go.sum.
// It should have entries for both module content sums and go.mod sums
// (version ends with "/go.mod"). Existing sums will be preserved unless they
// have been marked for deletion with TrimGoSum.
func WriteGoSum(ctx context.Context, keep map[module.Version]bool, readonly bool) error {
	goSum.mu.Lock()

# Regression test for Issue #62663: we would filter out the toolchain and
# main modules from the build list incorrectly, leading to the workspace
# modules being checked for correct sums. Specifically this would happen when
# the module name sorted after the virtual 'go' version module name because
# it could not get chopped off when we removed the MainModules.Len() modules
# at the beginning of the build list and we would remove the go module instead.

go mod verify

// license that can be found in the LICENSE file.

// Package adler32 implements the Adler-32 checksum.
//
// It is defined in RFC 1950:
//
//	Adler-32 is composed of two sums accumulated per byte: s1 is
//	the sum of all bytes, s2 is the sum of all s1 values. Both sums
//	are done modulo 65521. s1 is initialized to 1, s2 to zero.  The
//	Adler-32 checksum is stored as s2*65536 + s1 in most-
//	significant-byte first (network) order.

! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.1.mod
! exists go.sum
cp go.mod.orig go.mod

# Control: when sums are present, loading the build list downloads .mod files.
cp go.sum.buildlistonly go.sum
go list -m all
exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.mod

# Test mismatched sums in go.sum files

! go run ./a
cmpenv stderr want-error

-- want-error --
verifying rsc.io/sampler@v1.3.0/go.mod: checksum mismatch
	downloaded: h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
	$WORK${/}gopath${/}src${/}a${/}go.sum:     h1:U1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

SECURITY ERROR
This download does NOT match an earlier download recorded in go.sum.

	for _, pi := range s {
		sum += *pi
	}
	return sum
}

func main() {
	af := a.F()
	bf, _ := b.F()
	abf := a.Fb()

	saf, sbf, sabf := sum(af), sum(bf), sum(abf)

	fmt.Printf("af, bf, abf sums = %d, %d, %d\n", saf, sbf, sabf)

	burstableCPUShares := MilliCPUToShares(burstablePodCPURequest)
	configs[v1.PodQOSBurstable].ResourceParameters.CPUShares = &burstableCPUShares
	return nil
}

// getQoSMemoryRequests sums and returns the memory request of all pods for
// guaranteed and burstable qos classes.
func (m *qosContainerManagerImpl) getQoSMemoryRequests() map[v1.PodQOSClass]int64 {
	qosMemoryRequests := map[v1.PodQOSClass]int64{