mesa: fix dispatch_sanity test for aliases

Setting table[offset] = nop_table[offset] when we use table[offset] means that
a later usage of table[offset] will incorrectly fail the
"EXPECT_NE(nop_table[offset], table[offset])" test (eg: function aliases).
46 jobs for !1939 with dispatch_sanity_fix in 41 minutes and 52 seconds (queued for 5 seconds)
detached
Status Job ID Name Coverage
  Containers
passed #724301
debian-10

00:00:22

passed #724302
debian-9

00:00:21

passed #724300
lava-container:arm64

00:32:58

passed #724299
lava-container:armhf

00:02:08

passed #724303
aarch64
test-container:arm64

00:00:20

 
  Build
passed #724305
lava-build:arm64

00:04:23

passed #724304
lava-build:armhf

00:04:22

passed #724308
meson-arm64

00:06:16

passed #724307
meson-armhf

00:03:59

passed #724310
meson-clang

00:08:06

passed #724313
meson-clover

00:07:05

passed #724314
meson-clover-old-llvm

00:04:50

passed #724316
meson-i386

00:05:06

passed #724306
meson-main

00:10:15

passed #724309
meson-swr-glvnd

00:06:09

passed #724315
meson-vulkan

00:03:31

passed #724317
scons

00:10:45

passed #724318
scons-old-llvm

00:08:46

passed #724311
scons-swr

00:06:18

passed #724312
scons-win64

00:07:05

 
  Test
passed #724341
db410c
arm64_a306_gles2 1/4

00:08:05

passed #724342
db410c
arm64_a306_gles2 2/4

00:09:30

passed #724343
db410c
arm64_a306_gles2 3/4

00:08:00

passed #724344
db410c
arm64_a306_gles2 4/4

00:03:42

passed #724330
mesa-cheza
arm64_a630_gles2

00:04:05

passed #724331
mesa-cheza
arm64_a630_gles31 1/4

00:03:42

passed #724332
mesa-cheza
arm64_a630_gles31 2/4

00:04:37

passed #724333
mesa-cheza
arm64_a630_gles31 3/4

00:04:31

passed #724334
mesa-cheza
arm64_a630_gles31 4/4

00:04:33

passed #724335
mesa-cheza
arm64_a630_gles3 1/6

00:03:31

passed #724336
mesa-cheza
arm64_a630_gles3 2/6

00:03:23

passed #724337
mesa-cheza
arm64_a630_gles3 3/6

00:03:12

passed #724338
mesa-cheza
arm64_a630_gles3 4/6

00:03:29

passed #724339
mesa-cheza
arm64_a630_gles3 5/6

00:03:23

passed #724340
mesa-cheza
arm64_a630_gles3 6/6

00:03:24

passed #724319
lava-rk3288-veyron-jaq
panfrost-t760-test:armhf

00:05:20

passed #724320
lava-rk3399-gru-kevin
panfrost-t860-test:arm64

00:04:30

passed #724321
test-llvmpipe-gles2 1/4

00:03:43

passed #724322
test-llvmpipe-gles2 2/4

00:03:57

passed #724323
test-llvmpipe-gles2 3/4

00:03:36

passed #724324
test-llvmpipe-gles2 4/4

00:03:54

passed #724325
test-softpipe-gles2 1/4

00:01:39

passed #724326
test-softpipe-gles2 2/4

00:01:35

passed #724327
test-softpipe-gles2 3/4

00:01:26

passed #724328
test-softpipe-gles2 4/4

00:01:34

passed #724329
test-softpipe-gles3-limited

00:02:18