*   lock.unlock();
     * }
     *
     * If we only held the int[] stripes, translating it on the fly to L's, the original locks might
     * be garbage collected after locking them, ending up in a huge mess.
     */
    @SuppressWarnings("unchecked") // we carefully replaced all keys with their respective L's
    List<L> asStripes = (List<L>) result;
    return Collections.unmodifiableList(asStripes);
  }

     *   lock.unlock();
     * }
     *
     * If we only held the int[] stripes, translating it on the fly to L's, the original locks might
     * be garbage collected after locking them, ending up in a huge mess.
     */
    @SuppressWarnings("unchecked") // we carefully replaced all keys with their respective L's
    List<L> asStripes = (List<L>) result;
    return Collections.unmodifiableList(asStripes);
  }

	if err != nil {
		if eofOK && err == io.EOF {
			return -1
		}
		errorf("debug: unexpected error: %s", err)
	}
	deb.consumed(w)
	n := int(n64)
	if n < 0 {
		errorf("huge value for message length: %d", n64)
	}
	return int(n)
}

// Message:
//
//	TypeSequence TypedValue
//
// TypeSequence
//
//	(TypeDefinition DelimitedTypeDefinition*)?
//

	// are a huge number of arena frames. However, on many
	// platforms (even 64-bit), arenaL1Bits is 0, making this
	// effectively a single-level map. In this case, arenas[0]
	// will never be nil.
	arenas [1 << arenaL1Bits]*[1 << arenaL2Bits]*heapArena

	// arenasHugePages indicates whether arenas' L2 entries are eligible
	// to be backed by huge pages.
	arenasHugePages bool

		return nil
	}
	return fi
}

// dumpFile creates a file from the phase name and function name
// Dumping is done to files to avoid buffering huge strings before
// output.
func (f *Func) dumpFile(phaseName string) {
	fi := f.DumpFileForPhase(phaseName)
	if fi != nil {
		p := stringFuncPrinter{w: fi}
		fprintFunc(p, f)
		fi.Close()
	}
}

	} else if pause > 10e9 {
		t.Logf("bad last GC pause: got %v, want [0, 10e9]", pause)
	}
}

var hugeSink any

func TestHugeGCInfo(t *testing.T) {
	// The test ensures that compiler can chew these huge types even on weakest machines.
	// The types are not allocated at runtime.
	if hugeSink != nil {
		// 400MB on 32 bots, 4TB on 64-bits.
		const n = (400 << 20) + (unsafe.Sizeof(uintptr(0))-4)<<40

        if (!OperatingSystem.current().isWindows()) {
            return classpath;
        }
        // Use a Class-Path manifest JAR to circumvent too long command line issues on Windows (cap 8191)
        // Classpath is huge here because it's the test runtime classpath
        return Collections.singleton(getClasspathManifestJarFor(classpath));
    }

    private Collection<File> cleanup(List<File> files) {

	// not Linux decides to back this memory with transparent huge
	// pages. There's latency involved in this zeroing, but the hugepage
	// gains are almost always worth it. Note: it's important that we
	// clear even if it's freshly mapped and we know there's no point
	// to zeroing as *that* is the critical signal to use huge pages.
	memclrNoHeapPointers(unsafe.Pointer(s.base()), s.elemsize)
	s.needzero = 0

			//
			//    type I interface { Tiny() int; Giant() }
			//    type Conc struct { x int }
			//    func (c *Conc) Tiny() int { return 42 }
			//    func (c *Conc) Giant() { <huge amounts of code> }
			//
			//    func passConcToItf(c *Conc) {
			//        makesItfMethodCall(c)
			//    }
			//
			// In the code above, function properties will only tell

	cgocheck mode can be enabled using GOEXPERIMENT (which
	requires a rebuild), see https://pkg.go.dev/internal/goexperiment for details.

	disablethp: setting disablethp=1 on Linux disables transparent huge pages for the heap.
	It has no effect on other platforms. disablethp is meant for compatibility with versions
	of Go before 1.21, which stopped working around a Linux kernel default that can result