throw("pthread_attr_getstack")
	}
	mp.g0.stack.lo = mp.g0.stack.hi - uintptr(size)
	if pthread_attr_setdetachstate(&attr, _PTHREAD_CREATE_DETACHED) != 0 {
		throw("pthread_attr_setdetachstate")
	}

	// Disable signals during create, so that the new thread starts
	// with signals disabled. It will enable them in minit.
	sigprocmask(_SIG_SETMASK, &sigset_all, &oset)
	ret = retryOnEAGAIN(func() int32 {

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package amd64

	os.Setenv("GOARCH", "")
	os.Setenv("GOHOSTARCH", "")

	// Run Go bootstrap to build binaries.
	// Use the math_big_pure_go build tag to disable the assembly in math/big
	// which may contain unsupported instructions.
	// Use the purego build tag to disable other assembly code,
	// such as in cmd/internal/notsha256.
	cmd := []string{
		pathf("%s/bin/go", goroot_bootstrap),
		"install",

	// Replace x.go:19[/tmp/.../x.cgo1.go:18] with x.go:19.
	// Replace *[100]_Ctype_foo with *[100]C.foo.
	// If we're using -x, assume we're debugging and want the full dump, so disable the rewrite.
	if !cfg.BuildX && cgoLine.MatchString(out) {
		out = cgoLine.ReplaceAllString(out, "")
		out = cgoTypeSigRe.ReplaceAllString(out, "C.")
	}

}

// IsRoot returns true if t is equal to language "und".
func (t Tag) IsRoot() bool {
	return compact.Tag(t).IsRoot()
}

// CanonType can be used to enable or disable various types of canonicalization.
type CanonType int

const (
	// Replace deprecated base languages with their preferred replacements.
	DeprecatedBase CanonType = 1 << iota

		}
	}
}

// setProcessCPUProfilerTimer is called when the profiling timer changes.
// It is called with prof.signalLock held. hz is the new timer, and is 0 if
// profiling is being disabled. Enable or disable the signal as
// required for -buildmode=c-archive.
func setProcessCPUProfilerTimer(hz int32) {
	if hz != 0 {
		// Enable the Go signal handler if not enabled.
		if atomic.Cas(&handlingSig[_SIGPROF], 0, 1) {

			return "", fmt.Errorf("no path for non-exported %v", obj)
		}
		return Path(obj.Name()), nil
	}

	// 3. Not a package-level object.
	//    Reject obviously non-viable cases.
	switch obj := obj.(type) {
	case *types.TypeName:
		if _, ok := aliases.Unalias(obj.Type()).(*types.TypeParam); !ok {
			// With the exception of type parameters, only package-level type names
			// have a path.

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package obj

						return false
					}
				} else if xi != nil || yi != nil {
					// One but not both of them are interfaces.
					// In this case, either x or y could be viable matches for the corresponding
					// type parameter, which means choosing either introduces an order dependence.
					// Therefore, we must fail unification (go.dev/issue/60933).
					return false
				}

	for i := 0; i < tries; i++ {
		err := runSignalForwardingTest(t, "2")
		if err == nil {
			continue
		}

		// If the signal is delivered to a C thread, as expected,
		// the Go signal handler will disable itself and re-raise
		// the signal, causing the program to die with SIGSEGV.
		//
		// It is also possible that the signal will be
		// delivered to a Go thread, such as a GC thread.