ParamFloatRegNames: "F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15",
		gpregmask:          gp,
		fpregmask:          fp,
		framepointerreg:    -1, // not used
		linkreg:            int8(num["R30"]),
	})

  if is_ppc64le():
    # Enable MMA Dynamic Dispatch support if 'gcc' and if linker >= 2.35
    gcc_env = get_gcc_compiler(environ_cp)
    if gcc_env is not None:

      # Use gold linker if 'gcc' and if 'ppc64le'
      write_to_bazelrc('build --linkopt="-fuse-ld=gold"')

      # Get the linker version
      ld_version = run_shell([gcc_env, '-Wl,-version']).split()

//
// When a mspan is allocated, state == mSpanInUse or mSpanManual
// and heapmap(i) == span for all s->start <= i < s->start+s->npages.

// Every mspan is in one doubly-linked list, either in the mheap's
// busy list or one of the mcentral's span lists.

// An mspan representing actual memory has state mSpanInUse,
// mSpanManual, or mSpanFree. Transitions between these states are

					}
				}
			}

			// Doing a static link with boringcrypto gets
			// a C linker warning on Linux.
			// in function `bio_ip_and_port_to_socket_and_addr':
			// warning: Using 'getaddrinfo' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking

	"internal/runtime/atomic"
	"runtime/internal/sys"
	"unsafe"
)

// NOTE(rsc): Everything here could use cas if contention became an issue.
var (
	// profInsertLock protects changes to the start of all *bucket linked lists
	profInsertLock mutex
	// profBlockLock protects the contents of every blockRecord struct
	profBlockLock mutex
	// profMemActiveLock protects the active field of every memRecord struct
	profMemActiveLock mutex

				return true
			}
		}

		switch goos {
		case "android":
			return true
		case "dragonfly":
			// It seems that on Dragonfly thread local storage is
			// set up by the dynamic linker, so internal cgo linking
			// doesn't work. Test case is "go test runtime/cgo".
			return true
		}
	}

	switch goos {
	case "android":
		if goarch != "arm64" {
			return true
		}

	// Find line that has "host link:" in linker output.
	stderr := tg.getStderr()
	var hostLinkLine string
	for _, line := range strings.Split(stderr, "\n") {
		if !strings.Contains(line, "host link:") {
			continue
		}
		hostLinkLine = line
		break
	}
	if hostLinkLine == "" {
		t.Fatal(`fail to find with "host link:" string in linker output`)
	}

	// the last time the test was run with those arguments.
	// (To avoid unnecessary links, we store this entry
	// under two hashes: id1 uses the linker inputs as a
	// proxy for the test binary, and id2 uses the actual
	// test binary. If the linker inputs are unchanged,
	// this way we avoid the link step, even though we
	// do not cache link outputs.)
	//
	// Second, we compute a hash of the values of the

  ASSERT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);
  TF_GraphCopyFunction(host_graph_, grad_func, nullptr, s_);
  ASSERT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);

  // Check that functions are added but not linked
  GraphDef gdef;
  GetGraphDef(host_graph_, &gdef);
  std::vector<string> func_names = GetFuncNames(gdef);
  ASSERT_EQ(2, func_names.size());
  ASSERT_EQ("FooFunc", func_names[0]);

}

// ArchChar returns "?" and an error.
// In earlier versions of Go, the returned string was used to derive
// the compiler and linker tool names, the default object file suffix,
// and the default linker output name. As of Go 1.5, those strings
// no longer vary by architecture; they are compile, link, .o, and a.out, respectively.
func ArchChar(goarch string) (string, error) {