On Plan 9, the variables $path and $home are set instead of $PATH and $HOME.
On Windows, the variables $USERPROFILE and $TMP are set instead of
$HOME and $TMPDIR.

The lines at the top of the script are a sequence of commands to be executed by
a small script engine configured in ../../script_test.go (not the system shell).

The scripts' supporting files are unpacked relative to $GOPATH/src

					check.errorf(tlist[i], InvalidUnion, "invalid use of ~ (underlying type of %s is %s)", t.typ, u)
					continue
				}
			}

			// Stand-alone embedded interfaces are ok and are handled by the single-type case
			// in the beginning. Embedded interfaces with tilde are excluded above. If we reach
			// here, we must have at least two terms in the syntactic term list (but not necessarily
			// in the term list of the union's type set).

	if runtime.Compiler != "gc" {
		// The exact function names are not going to be the same.
		t.Skip("skipping for non-gc toolchain")
	}
	if runtime.GOARCH != "amd64" {
		// TODO: support SEH on other architectures.
		t.Skip("skipping on non-amd64")
	}
	// Only frames in the test package are checked.
	want := []string{
		"test._Cfunc_backtrace",
		"test.testCallbackCallersSEH.func1.1",

	// see if there is a matching field (but not a method, those need to be declared
	// explicitly in the constraint). If the constraint is a named pointer type (see
	// above), we are ok here because only fields are accepted as results.
	const enableTParamFieldLookup = false // see go.dev/issue/51576
	if enableTParamFieldLookup && obj == nil && isTypeParam(T) {
		if t := coreType(T); t != nil {

// undefined by calling msanGoWait.
static unsigned long uninit;

// msanGoLoop loops calling msanGoWait, with the arguments passed
// such that msan thinks that they are undefined. msan permits
// undefined values to be used as long as they are not used to
// for conditionals or for memory access.
void msanGoLoop() {
	int i;

	msanGoSignalThread = pthread_self();

	AMEM32
	AMEM64
	AMEM128
	ASTRING
	AINTER
	ANILINTER
	AFLOAT32
	AFLOAT64
	ACPLX64
	ACPLX128
	ASPECIAL // Type needs special comparison/hashing functions.
)

// Most kinds are priority 0. Higher numbers are higher priority, in that
// the higher priority kinds override lower priority kinds.
var algPriority = [ASPECIAL + 1]int8{ASPECIAL: 1, ANOEQ: 2, ANOALG: 3, AMEM: -1}

# Regression test for https://go.dev/issue/56494:
# 'go get' in module mode was failing to prune out dependencies
# through modules whose versions are too low to be selected.

# Initially, modules "a", "b", and "c" are unrelated.
#
# The package import graph at v1 of everything looks like:
#
# m --- a
# |
# + --- b
# |
# + --- c
#
# At v2, package "a" adds imports of "b" and "c"
# (and a requirement on "c" v2):
#
# a --- b
# |

	// Sort non-autos before autos.
	if needAlloc(a) != needAlloc(b) {
		return needAlloc(b)
	}

	// If both are non-auto (e.g., parameters, results), then sort by
	// frame offset (defined by ABI).
	if !needAlloc(a) {
		return a.FrameOffset() < b.FrameOffset()
	}

	// From here on, a and b are both autos (i.e., local variables).

	// Sort followers after leaders, if mls != nil
	if mls != nil {

				// as invalid. If t is not an instance of a generic type, t and
				// t.Origin() are the same.
				// Furthermore, because we check all types in a package for validity
				// before type checking is complete, any exported type that is invalid
				// will have an invalid underlying type and we can't reach here with
				// such a type (invalid types are excluded above).
				// Thus, if we reach here with a type t, both t and t.Origin() (if

	f.Add([]byte(`"\$0"`))
	f.Add([]byte(`"\$\0"`))
	f.Add([]byte(`"\$"`))
	f.Add([]byte(`"\$ "`))

	// Example positive inputs from TestSplitPkgConfigOutput.
	// Some bare newlines have been removed so that the inputs
	// are valid in the shell script we use for comparison.
	f.Add([]byte(`-r:foo -L/usr/white\ space/lib -lfoo\ bar -lbar\ baz`))
	f.Add([]byte(`-lextra\ fun\ arg\\`))
	f.Add([]byte("\textra     whitespace\r"))