// different code path.
		name: "barriergcprogarray",
		c: `#include <stdlib.h>
		    struct s17 { char *a[32769]; };
		    struct s17 *f17() { return malloc(sizeof(struct s17)); }
		    void f17b(struct s17 *p) {}`,
		body:      `p := C.f17(); p.a = [32769]*C.char{new(C.char)}; C.f17b(p)`,
		fail:      true,
		expensive: true,
	},
	{
		// Similar case, with a source on the heap.

	CMP	R1, R2                 // b9200012
	CMP	R3, $32767             // a73f7fff
	CMP	R3, $32768             // c23c00008000
	CMP	R3, $-2147483648       // c23c80000000
	CMPU	R4, R5                 // b9210045
	CMPU	R6, $4294967295        // c26effffffff
	CMPW	R7, R8                 // 1978
	CMPW	R9, $-32768            // a79e8000
	CMPW	R9, $-32769            // c29dffff7fff
	CMPW	R9, $-2147483648       // c29d80000000

	// ppc64x/power10:"ADD\t[$]2147450879,"
	// ppc64x/power9:"ADDIS\t[$]32767,", "ADD\t[$]32767,"
	// ppc64x/power8:"ADDIS\t[$]32767,", "ADD\t[$]32767,"
	out[4] = a + 0x7FFF7FFF
	// ppc64x/power10:"ADD\t[$]-2147483647,"
	// ppc64x/power9:"ADDIS\t[$]-32768,", "ADD\t[$]1,"
	// ppc64x/power8:"ADDIS\t[$]-32768,", "ADD\t[$]1,"
	out[5] = a - 2147483647
	// ppc64x:"ADDIS\t[$]-32768,", ^"ADD\t"
	out[6] = a - 2147483648

        then:
        newIsolatables[0].isolate() == short1
        newIsolatables[1].isolate() == short2
    }

    def "can serialize/deserialize isolated Integer values"() {
        int integer1 = 32768
        int integer2 = 32769
        Isolatable<?>[] isolatables = [isolatableFactory.isolate(integer1), isolatableFactory.isolate(integer2)]

        when:
        serialize(isolatables)

        and:

	itd16{a: 1, b: 32766, add: 32767, sub: -32765, mul: 32766, div: 0, mod: 1},
	itd16{a: 1, b: 32767, add: -32768, sub: -32766, mul: 32767, div: 0, mod: 1},
	itd16{a: 32766, b: -32768, add: -2, sub: -2, mul: 0, div: 0, mod: 32766},
	itd16{a: 32766, b: -32767, add: -1, sub: -3, mul: 32766, div: 0, mod: 32766},
	itd16{a: 32766, b: -1, add: 32765, sub: 32767, mul: -32766, div: -32766, mod: 0},
	itd16{a: 32766, b: 0, add: 32766, sub: 32766, mul: 0},

	expectInt16(t, "-32768", F64toI16_ssa(-32768), -32768)
	expectInt16(t, "-32768", F32toI16_ssa(-32768), -32768)

	// NB more of a pain to do these for 32-bit because of lost bits in Float32 mantissa
	expectInt16(t, "32767", F64toI16_ssa(32767), 32767)
	expectInt16(t, "32767", F32toI16_ssa(32767), 32767)
	expectUint16(t, "32767", F64toU16_ssa(32767), 32767)

				testSpliceFile(t, "unix", int64(size), -1)
			})
		}
	})
	t.Run("TCP-To-TTY", func(t *testing.T) {
		testSpliceToTTY(t, "tcp", 32768)
	})
	t.Run("Unix-To-TTY", func(t *testing.T) {
		testSpliceToTTY(t, "unix", 32768)
	})
	t.Run("Limited", func(t *testing.T) {
		t.Run("OneLess-TCP", func(t *testing.T) {
			for _, size := range sizes {
				t.Run(strconv.Itoa(size), func(t *testing.T) {

	// The code below to compute cr uses a similar pattern.
	//
	// Note that -11056 - 21712 + 32768 equals 0.
	cb := -11056*r1 - 21712*g1 + 32768*b1 + 257<<15
	if uint32(cb)&0xff000000 == 0 {
		cb >>= 16
	} else {
		cb = ^(cb >> 31)
	}

	// Note that 32768 - 27440 - 5328 equals 0.
	cr := 32768*r1 - 27440*g1 - 5328*b1 + 257<<15
	if uint32(cr)&0xff000000 == 0 {
		cr >>= 16
	} else {
		cr = ^(cr >> 31)
	}

          },
          {
              "name": "admin",
              "admin_layer": {}
          }
      ]
  },
  "bootstrap_extensions": [
    {
      "name": "envoy.bootstrap.internal_listener",

          },
          {
              "name": "admin",
              "admin_layer": {}
          }
      ]
  },
  "bootstrap_extensions": [
    {
      "name": "envoy.bootstrap.internal_listener",