diff --git a/expectations/gm/Test-Android-Nexus10-MaliT604-Arm7-Debug/expected-results.json b/expectations/gm/Test-Android-Nexus10-MaliT604-Arm7-Debug/expected-results.json
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diff --git a/expectations/gm/Test-Android-Nexus9-TegraK1-Arm64-Release/expected-results.json b/expectations/gm/Test-Android-Nexus9-TegraK1-Arm64-Release/expected-results.json
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index b239194..843750b 100644
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index 335dc3d..29f522a 100644
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index a8a53da..8540c21 100644
--- a/expectations/gm/Test-ChromeOS-Alex-GMA3150-x86-Release/expected-results.json
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index 3676764..f885852 100644
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index 3676764..f885852 100644
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index 901c4af..9b8a3cf 100644
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index 336a102..5bd7fe2 100644
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index 80e5e0f..8952770 100644
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diff --git a/expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json b/expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json
index ec6a6b1..98626a4 100644
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index eb6ca2e..3d64c45 100644
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index 90575ed..e83e24d 100644
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diff --git a/expectations/gm/Test-Ubuntu12-ShuttleA-GTX660-x86_64-Release/expected-results.json b/expectations/gm/Test-Ubuntu12-ShuttleA-GTX660-x86_64-Release/expected-results.json
index 7cf339d..ae978f6 100644
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diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-ANGLE/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-ANGLE/expected-results.json
index 6e9c552..1e4d7bd 100644
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index 1e45b42..4a67c1c 100644
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diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-ANGLE/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-ANGLE/expected-results.json
index d2ca550..bd20ef3 100644
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index 65438ec..3fc0c7e 100644
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index 38a0341..6eade93 100644
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diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
index 225c216..6eade93 100644
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       "reviewed-by-human": true
@@ -5450,7 +5450,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          13494994900521590839
+          14938094761111292388
         ]
       ], 
       "reviewed-by-human": true
@@ -8500,7 +8500,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          18111969866340614531
+          3118751021842548389
         ]
       ], 
       "reviewed-by-human": true
@@ -8509,7 +8509,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12471047414859370196
+          16134641349444195314
         ]
       ], 
       "reviewed-by-human": true
@@ -8518,7 +8518,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5135773134197521338
+          10548005182299770458
         ]
       ], 
       "reviewed-by-human": true
diff --git a/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Debug/expected-results.json b/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Debug/expected-results.json
index 17f9602..aa981d7 100644
--- a/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Debug/expected-results.json
+++ b/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Debug/expected-results.json
@@ -8231,7 +8231,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15598741237221192539
+          2878413088829673422
         ]
       ], 
       "reviewed-by-human": true
@@ -8240,7 +8240,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8453717270421240013
+          4660236967370621790
         ]
       ], 
       "reviewed-by-human": true
@@ -8249,7 +8249,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14209818531005037299
+          51541207251928275
         ]
       ], 
       "reviewed-by-human": true
@@ -8258,7 +8258,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3766171893916141960
+          15538638387135444952
         ]
       ], 
       "reviewed-by-human": true
@@ -8267,7 +8267,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16299630773557224973
+          16953834221792082615
         ]
       ], 
       "reviewed-by-human": true
@@ -13005,7 +13005,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17946605223976726463
+          3118751021842548389
         ]
       ], 
       "reviewed-by-human": true
@@ -13014,7 +13014,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12559352325847592803
+          16134641349444195314
         ]
       ], 
       "reviewed-by-human": true
@@ -13023,7 +13023,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3613224176398769313
+          1321180911407859380
         ]
       ], 
       "reviewed-by-human": true
@@ -13032,7 +13032,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10824312934495818868
+          18069013584799504840
         ]
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       "reviewed-by-human": true
@@ -13041,7 +13041,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4503120089566592438
+          5366191227041081961
         ]
       ], 
       "reviewed-by-human": true
diff --git a/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Release/expected-results.json b/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Release/expected-results.json
index 17f9602..aa981d7 100644
--- a/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Release/expected-results.json
+++ b/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Release/expected-results.json
@@ -8231,7 +8231,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15598741237221192539
+          2878413088829673422
         ]
       ], 
       "reviewed-by-human": true
@@ -8240,7 +8240,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8453717270421240013
+          4660236967370621790
         ]
       ], 
       "reviewed-by-human": true
@@ -8249,7 +8249,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14209818531005037299
+          51541207251928275
         ]
       ], 
       "reviewed-by-human": true
@@ -8258,7 +8258,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3766171893916141960
+          15538638387135444952
         ]
       ], 
       "reviewed-by-human": true
@@ -8267,7 +8267,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16299630773557224973
+          16953834221792082615
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       "reviewed-by-human": true
@@ -13005,7 +13005,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17946605223976726463
+          3118751021842548389
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       "reviewed-by-human": true
@@ -13014,7 +13014,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12559352325847592803
+          16134641349444195314
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       "reviewed-by-human": true
@@ -13023,7 +13023,7 @@
       "allowed-digests": [
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           "bitmap-64bitMD5", 
-          3613224176398769313
+          1321180911407859380
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       "reviewed-by-human": true
@@ -13032,7 +13032,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10824312934495818868
+          18069013584799504840
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       "reviewed-by-human": true
@@ -13041,7 +13041,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4503120089566592438
+          5366191227041081961
         ]
       ], 
       "reviewed-by-human": true
diff --git a/expectations/gm/Test-Win8-ShuttleA-GTX660-x86_64-Debug/expected-results.json b/expectations/gm/Test-Win8-ShuttleA-GTX660-x86_64-Debug/expected-results.json
index b38dec7..b4e05ee 100644
--- a/expectations/gm/Test-Win8-ShuttleA-GTX660-x86_64-Debug/expected-results.json
+++ b/expectations/gm/Test-Win8-ShuttleA-GTX660-x86_64-Debug/expected-results.json
@@ -8231,7 +8231,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15598741237221192539
+          2878413088829673422
         ]
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       "reviewed-by-human": true
@@ -8240,7 +8240,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8453717270421240013
+          4660236967370621790
         ]
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       "reviewed-by-human": true
@@ -8249,7 +8249,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14209818531005037299
+          51541207251928275
         ]
       ], 
       "reviewed-by-human": true
@@ -8258,7 +8258,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3766171893916141960
+          15538638387135444952
         ]
       ], 
       "reviewed-by-human": true
@@ -8267,7 +8267,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16299630773557224973
+          16953834221792082615
         ]
       ], 
       "reviewed-by-human": true
@@ -13005,7 +13005,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17946605223976726463
+          3118751021842548389
         ]
       ], 
       "reviewed-by-human": true
@@ -13014,7 +13014,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12559352325847592803
+          16134641349444195314
         ]
       ], 
       "reviewed-by-human": true
@@ -13023,7 +13023,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3613224176398769313
+          1321180911407859380
         ]
       ], 
       "reviewed-by-human": true
@@ -13032,7 +13032,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10824312934495818868
+          18069013584799504840
         ]
       ], 
       "reviewed-by-human": true
@@ -13041,7 +13041,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4503120089566592438
+          5366191227041081961
         ]
       ], 
       "reviewed-by-human": true
diff --git a/expectations/gm/Test-Win8-ShuttleA-GTX660-x86_64-Release/expected-results.json b/expectations/gm/Test-Win8-ShuttleA-GTX660-x86_64-Release/expected-results.json
index 0ab90c3..455ee76 100644
--- a/expectations/gm/Test-Win8-ShuttleA-GTX660-x86_64-Release/expected-results.json
+++ b/expectations/gm/Test-Win8-ShuttleA-GTX660-x86_64-Release/expected-results.json
@@ -8231,7 +8231,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15598741237221192539
+          2878413088829673422
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       "reviewed-by-human": true
@@ -8240,7 +8240,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8453717270421240013
+          4660236967370621790
         ]
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       "reviewed-by-human": true
@@ -8249,7 +8249,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14209818531005037299
+          51541207251928275
         ]
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       "reviewed-by-human": true
@@ -8258,7 +8258,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3766171893916141960
+          15538638387135444952
         ]
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       "reviewed-by-human": true
@@ -8267,7 +8267,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16299630773557224973
+          16953834221792082615
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       "reviewed-by-human": true
@@ -13005,7 +13005,7 @@
       "allowed-digests": [
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           "bitmap-64bitMD5", 
-          17946605223976726463
+          3118751021842548389
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       "reviewed-by-human": true
@@ -13014,7 +13014,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12559352325847592803
+          16134641349444195314
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       "reviewed-by-human": true
@@ -13023,7 +13023,7 @@
       "allowed-digests": [
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           "bitmap-64bitMD5", 
-          3613224176398769313
+          1321180911407859380
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       "reviewed-by-human": true
@@ -13032,7 +13032,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10824312934495818868
+          18069013584799504840
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       "reviewed-by-human": true
@@ -13041,7 +13041,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4503120089566592438
+          5366191227041081961
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       ], 
       "reviewed-by-human": true
diff --git a/expectations/gm/Test-Win8-ShuttleA-HD7770-x86-Debug/expected-results.json b/expectations/gm/Test-Win8-ShuttleA-HD7770-x86-Debug/expected-results.json
index 0e732bc..a8b9511 100644
--- a/expectations/gm/Test-Win8-ShuttleA-HD7770-x86-Debug/expected-results.json
+++ b/expectations/gm/Test-Win8-ShuttleA-HD7770-x86-Debug/expected-results.json
@@ -5611,7 +5611,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15598741237221192539
+          2878413088829673422
         ]
       ], 
       "reviewed-by-human": true
@@ -5620,7 +5620,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8453717270421240013
+          4660236967370621790
         ]
       ], 
       "reviewed-by-human": true
@@ -5629,7 +5629,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8090938956626156002
+          5091638787528363639
         ]
       ], 
       "reviewed-by-human": true
@@ -8794,7 +8794,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17946605223976726463
+          3118751021842548389
         ]
       ], 
       "reviewed-by-human": true
@@ -8803,7 +8803,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12559352325847592803
+          16134641349444195314
         ]
       ], 
       "reviewed-by-human": true
@@ -8812,7 +8812,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5177776149206972518
+          10859371975988916463
         ]
       ], 
       "reviewed-by-human": true
diff --git a/expectations/gm/Test-Win8-ShuttleA-HD7770-x86-Release/expected-results.json b/expectations/gm/Test-Win8-ShuttleA-HD7770-x86-Release/expected-results.json
index 0e732bc..a8b9511 100644
--- a/expectations/gm/Test-Win8-ShuttleA-HD7770-x86-Release/expected-results.json
+++ b/expectations/gm/Test-Win8-ShuttleA-HD7770-x86-Release/expected-results.json
@@ -5611,7 +5611,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15598741237221192539
+          2878413088829673422
         ]
       ], 
       "reviewed-by-human": true
@@ -5620,7 +5620,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8453717270421240013
+          4660236967370621790
         ]
       ], 
       "reviewed-by-human": true
@@ -5629,7 +5629,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8090938956626156002
+          5091638787528363639
         ]
       ], 
       "reviewed-by-human": true
@@ -8794,7 +8794,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17946605223976726463
+          3118751021842548389
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       ], 
       "reviewed-by-human": true
@@ -8803,7 +8803,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12559352325847592803
+          16134641349444195314
         ]
       ], 
       "reviewed-by-human": true
@@ -8812,7 +8812,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5177776149206972518
+          10859371975988916463
         ]
       ], 
       "reviewed-by-human": true
diff --git a/expectations/gm/Test-Win8-ShuttleA-HD7770-x86_64-Debug/expected-results.json b/expectations/gm/Test-Win8-ShuttleA-HD7770-x86_64-Debug/expected-results.json
index 9697688..77e72d3 100644
--- a/expectations/gm/Test-Win8-ShuttleA-HD7770-x86_64-Debug/expected-results.json
+++ b/expectations/gm/Test-Win8-ShuttleA-HD7770-x86_64-Debug/expected-results.json
@@ -5611,7 +5611,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15598741237221192539
+          2878413088829673422
         ]
       ], 
       "reviewed-by-human": true
@@ -5620,7 +5620,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8453717270421240013
+          4660236967370621790
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       ], 
       "reviewed-by-human": true
@@ -5629,7 +5629,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5389437357518863172
+          5091638787528363639
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       "reviewed-by-human": true
@@ -8794,7 +8794,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17946605223976726463
+          3118751021842548389
         ]
       ], 
       "reviewed-by-human": true
@@ -8803,7 +8803,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12559352325847592803
+          16134641349444195314
         ]
       ], 
       "reviewed-by-human": true
@@ -8812,7 +8812,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          13974406776269987754
+          10859371975988916463
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       ], 
       "reviewed-by-human": true
diff --git a/expectations/gm/Test-Win8-ShuttleA-HD7770-x86_64-Release/expected-results.json b/expectations/gm/Test-Win8-ShuttleA-HD7770-x86_64-Release/expected-results.json
index 36f7120..77e72d3 100644
--- a/expectations/gm/Test-Win8-ShuttleA-HD7770-x86_64-Release/expected-results.json
+++ b/expectations/gm/Test-Win8-ShuttleA-HD7770-x86_64-Release/expected-results.json
@@ -5611,7 +5611,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15598741237221192539
+          2878413088829673422
         ]
       ], 
       "reviewed-by-human": true
@@ -5620,7 +5620,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8453717270421240013
+          4660236967370621790
         ]
       ], 
       "reviewed-by-human": true
@@ -5629,7 +5629,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8090938956626156002
+          5091638787528363639
         ]
       ], 
       "reviewed-by-human": true
@@ -8794,7 +8794,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17946605223976726463
+          3118751021842548389
         ]
       ], 
       "reviewed-by-human": true
@@ -8803,7 +8803,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12559352325847592803
+          16134641349444195314
         ]
       ], 
       "reviewed-by-human": true
@@ -8812,7 +8812,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5177776149206972518
+          10859371975988916463
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       "reviewed-by-human": true
diff --git a/expectations/gm/ignored-tests.txt b/expectations/gm/ignored-tests.txt
index 1816660..11736f1 100644
--- a/expectations/gm/ignored-tests.txt
+++ b/expectations/gm/ignored-tests.txt
@@ -40,6 +40,10 @@
 # minor pixel diffs from bounds change
 testimagefilters
 
+# sugoi https://codereview.chromium.org/646213004/
+# New shadow only option in SkDropShadowImageFilter
+dropshadowimagefilter
+
 # bsalomon https://codereview.chromium.org/679113004/
 # subtle changes to image filters by using approx match scratch textures
 offsetimagefilter
@@ -59,3 +63,7 @@
 imageblur2
 imageblur_large
 spritebitmap
+
+# senorblanco https://codereview.chromium.org/637283009/
+# quality improvements to imagemagnifier GM
+imagemagnifier