* by the garbage collector. Entries with reclaimed keys or values may be removed from the cache on
 * each cache modification, on occasional cache accesses, or on calls to {@link Cache#cleanUp}; such
 * entries may be counted in {@link Cache#size}, but will never be visible to read or write
 * operations.
 *

		return false
	}
	if cache.DebugTest {
		fmt.Fprintf(os.Stderr, "testcache: %s: test ID %x => input ID %x => %x\n", a.Package.ImportPath, testID, testInputsID, testAndInputKey(testID, testInputsID))
	}

	// Parse cached result in preparation for changing run time to "(cached)".
	// If we can't parse the cached result, don't use it.
	data, entry, err = cache.GetBytes(cache.Default(), testAndInputKey(testID, testInputsID))

        configurationCache.assertStateStoreFailed()
        outputContains("Configuration cache entry discarded due to serialization error.")
        failure.assertHasFailures(1)
        failure.assertHasFileName("Build file '${buildFile.absolutePath}'")
        failure.assertHasLineNumber(4)

	t.Log("\n\nREPEAT\n\n")

	tg.run("test", "-x", "-v", "-short", "t/...")
	tg.grepStdout(`ok  \tt/t1\t\(cached\)`, "did not cache t1")
	tg.grepStdout(`ok  \tt/t2\t\(cached\)`, "did not cache t2")
	tg.grepStdout(`ok  \tt/t3\t\(cached\)`, "did not cache t3")
	tg.grepStdout(`ok  \tt/t4\t\(cached\)`, "did not cache t4")
	tg.grepStderrNot(`[\\/](compile|gccgo) `, "incorrectly ran compiler")

	}

	s.regs = make([]regState, s.numRegs)
	nv := f.NumValues()
	if cap(s.f.Cache.regallocValues) >= nv {
		s.f.Cache.regallocValues = s.f.Cache.regallocValues[:nv]
	} else {
		s.f.Cache.regallocValues = make([]valState, nv)
	}
	s.values = s.f.Cache.regallocValues
	s.orig = s.f.Cache.allocValueSlice(nv)
	s.copies = make(map[*Value]bool)
	for _, b := range s.visitOrder {

					"launcher",
					"plugins-java",
					"antlr",
					"base-services",
					"build-cache",
					"build-cache-http",
					"build-cache-local",
					"build-cache-spi",
					"build-configuration",
					"build-events",
					"build-init",
					"build-profile",
					"composite-builds",
					"configuration-cache",
					"core",
					"core-api",
					"declarative-dsl-core",

func NewSlice(elem *Type) *Type {
	if t := elem.cache.slice; t != nil {
		if t.Elem() != elem {
			base.Fatalf("elem mismatch")
		}
		if elem.HasShape() != t.HasShape() {
			base.Fatalf("Incorrect HasShape flag for cached slice type")
		}
		return t
	}

	t := newType(TSLICE)
	t.extra = Slice{Elem: elem}
	elem.cache.slice = t
	if elem.HasShape() {
		t.SetHasShape(true)
	}

		t.Fatalf("session cache should have evicted key 3")
	}

	// Update entry 0 in place.
	cache.Put(keys[0], &cs[3])
	if s, ok := cache.Get(keys[0]); !ok || s != &cs[3] {
		t.Fatalf("session cache failed update for key 0")
	}

	// Calling Put with a nil entry deletes the key.
	cache.Put(keys[0], nil)
	if _, ok := cache.Get(keys[0]); ok {
		t.Fatalf("session cache failed to delete key 0")
	}

	// We used to use it for C objects.
	// Now we use it for the build cache, to separate dist's cache
	// from any other cache the user might have, and for the location
	// to build the bootstrap versions of the standard library.
	obj := pathf("%s/pkg/obj", goroot)
	if !isdir(obj) {
		xmkdir(obj)
	}
	xatexit(func() { xremove(obj) })

	// Create build cache directory.
	objGobuild := pathf("%s/pkg/obj/go-build", goroot)

        return importModel;
    }

    private static <T> T cache(
            ModelCache cache, String groupId, String artifactId, String version, String tag, Callable<T> supplier) {
        Supplier<T> s = asSupplier(supplier);
        if (cache == null) {
            return s.get();
        } else {
            return cache.computeIfAbsent(groupId, artifactId, version, tag, s);
        }
    }