err = os.WriteFile(mod, []byte("module lldbtest"), 0644)
	if err != nil {
		t.Fatalf("failed to create mod file: %v", err)
	}

	// As of 2018-07-17, lldb doesn't support compressed DWARF, so
	// disable it for this test.
	cmd := exec.Command(testenv.GoToolPath(t), "build", "-gcflags=all=-N -l", "-ldflags=-compressdwarf=false", "-o", "a.exe")
	cmd.Dir = dir
	cmd.Env = append(os.Environ(), "GOPATH=") // issue 31100

	{name: "StringLen", argLength: 1, typ: "Int"},     // len(arg0)

	// Interfaces
	{name: "IMake", argLength: 2},                // arg0=itab, arg1=data
	{name: "ITab", argLength: 1, typ: "Uintptr"}, // arg0=interface, returns itable field
	{name: "IData", argLength: 1},                // arg0=interface, returns data field

	// Structs
	{name: "StructMake0"},                              // Returns struct with 0 fields.

	DI_OVERRIDE_INFFLAGS   DI_FLAGS = 0x10000000 // Override INF flags
	DI_PROPS_NOCHANGEUSAGE DI_FLAGS = 0x20000000 // No Enable/Disable in General Props

	DI_NOSELECTICONS DI_FLAGS = 0x40000000 // No small icons in select device dialogs

	DI_NOWRITE_IDS DI_FLAGS = 0x80000000 // Don't write HW & Compat IDs on install
)

//
// Tests execute in HTTP/1.1 and HTTP/2 modes by default.
// To run in a different set of configurations, pass a []testMode option.
//
// Tests call t.Parallel() by default.
// To disable parallel execution, pass the testNotParallel option.
func run[T TBRun[T]](t T, f func(t T, mode testMode), opts ...any) {
	t.Helper()
	modes := []testMode{http1Mode, http2Mode}
	parallel := true
	for _, opt := range opts {

//	OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
//	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
//	ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
//	LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
//	CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
//	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR

	os.Unsetenv("GIT_ALLOW_PROTOCOL")
	os.Setenv("HOME", "/test-go-home-does-not-exist")
	// On some systems the default C compiler is ccache.
	// Setting HOME to a non-existent directory will break
	// those systems. Disable ccache and use real compiler. Issue 17668.
	os.Setenv("CCACHE_DISABLE", "1")
	if cfg.Getenv("GOCACHE") == "" {
		os.Setenv("GOCACHE", testGOCACHE) // because $HOME is gone
	}

	s := &Task{id: id}
	return context.WithValue(pctx, traceContextKey{}, s), s

	// We allocate a new task even when
	// the tracing is disabled because the context and task
	// can be used across trace enable/disable boundaries,
	// which complicates the problem.
	//
	// For example, consider the following scenario:
	//   - trace is enabled.
	//   - trace.WithRegion is called, so a new context ctx
	//     with a new region is created.

// SetKeepAlivesEnabled controls whether HTTP keep-alives are enabled.
// By default, keep-alives are always enabled. Only very
// resource-constrained environments or servers in the process of
// shutting down should disable them.
func (srv *Server) SetKeepAlivesEnabled(v bool) {
	if v {
		srv.disableKeepAlives.Store(false)
		return
	}
	srv.disableKeepAlives.Store(true)

	// Close idle HTTP/1 conns:

		cc = append(cc, newComponent(suffix+"_data", asmKind(arch.ptrSize), "interface data", off+arch.ptrSize, arch.ptrSize, suffix))

	case asmInterface:
		cc = append(cc, newComponent(suffix+"_itable", asmKind(arch.ptrSize), "interface itable", off, arch.ptrSize, suffix))
		cc = append(cc, newComponent(suffix+"_data", asmKind(arch.ptrSize), "interface data", off+arch.ptrSize, arch.ptrSize, suffix))

	case asmSlice:

// 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 ppc64