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    <body><span class="vcard"><a class="email" href="mailto:mcatanzaro&#64;igalia.com" title="Michael Catanzaro &lt;mcatanzaro&#64;igalia.com&gt;"> <span class="fn">Michael Catanzaro</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [Coordinated Graphics] Test fast/fixed-layout/fixed-layout.html crashes in debug"
   href="https://bugs.webkit.org/show_bug.cgi?id=160117">bug 160117</a>
        <br>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">CC</td>
           <td>
               &nbsp;
           </td>
           <td>mcatanzaro&#64;igalia.com
           </td>
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [Coordinated Graphics] Test fast/fixed-layout/fixed-layout.html crashes in debug"
   href="https://bugs.webkit.org/show_bug.cgi?id=160117#c15">Comment # 15</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [Coordinated Graphics] Test fast/fixed-layout/fixed-layout.html crashes in debug"
   href="https://bugs.webkit.org/show_bug.cgi?id=160117">bug 160117</a>
              from <span class="vcard"><a class="email" href="mailto:mcatanzaro&#64;igalia.com" title="Michael Catanzaro &lt;mcatanzaro&#64;igalia.com&gt;"> <span class="fn">Michael Catanzaro</span></a>
</span></b>
        <pre>And now you have three iOS failures instead of one macOS/iOS failure.

Here is the macOS diff for your original patch. The GraphicsLayer position and bounds just changed to no longer be nice round numbers:

--- /Volumes/Data/EWS/WebKit/WebKitBuild/Debug/layout-test-results/compositing/fixed-with-fixed-layout-expected.txt
+++ /Volumes/Data/EWS/WebKit/WebKitBuild/Debug/layout-test-results/compositing/fixed-with-fixed-layout-actual.txt
&#64;&#64; -10,7 +10,7 &#64;&#64;
       (transform [0.80 0.00 0.00 0.00] [0.00 0.80 0.00 0.00] [0.00 0.00 1.00 0.00] [0.00 0.00 0.00 1.00])
       (children 4
         (GraphicsLayer
-          (bounds 1000.00 100.00)
+          (bounds 982.00 100.00)
           (drawsContent 1)
         )
         (GraphicsLayer
&#64;&#64; -19,13 +19,13 &#64;&#64;
           (drawsContent 1)
         )
         (GraphicsLayer
-          (position 900.00 200.00)
-          (bounds 100.00 100.00)
+          (position 881.00 200.00)
+          (bounds 101.00 100.00)
           (drawsContent 1)
         )
         (GraphicsLayer
-          (position 0.00 1900.00)
-          (bounds 1000.00 100.00)
+          (position 0.00 650.00)
+          (bounds 982.00 100.00)
           (drawsContent 1)
         )
       )


iOS diffs for the new patch:

--- /Volumes/Data/EWS/WebKit/WebKitBuild/Release-iphonesimulator/layout-test-results/platform/ios-simulator/ios/fast/coordinates/inner-window-sizes-expected.txt
+++ /Volumes/Data/EWS/WebKit/WebKitBuild/Release-iphonesimulator/layout-test-results/platform/ios-simulator/ios/fast/coordinates/inner-window-sizes-actual.txt
&#64;&#64; -9,8 +9,8 &#64;&#64;
 scaled and panned
 PASS window.innerWidth is 400
 PASS window.innerHeight is 300
-PASS document.documentElement.clientWidth is 400
-PASS document.documentElement.clientHeight is 300
+FAIL document.documentElement.clientWidth should be 400. Was 800.
+FAIL document.documentElement.clientHeight should be 300. Was 600.
 PASS successfullyParsed is true

 TEST COMPLETE


--- /Volumes/Data/EWS/WebKit/WebKitBuild/Release-iphonesimulator/layout-test-results/platform/ios-simulator/ios/fast/coordinates/inner-window-sizes-quirks-expected.txt
+++ /Volumes/Data/EWS/WebKit/WebKitBuild/Release-iphonesimulator/layout-test-results/platform/ios-simulator/ios/fast/coordinates/inner-window-sizes-quirks-actual.txt
&#64;&#64; -9,8 +9,8 &#64;&#64;
 scaled and panned
 PASS window.innerWidth is 400
 PASS window.innerHeight is 300
-PASS document.body.clientWidth is 400
-PASS document.body.clientHeight is 300
+FAIL document.body.clientWidth should be 400. Was 800.
+FAIL document.body.clientHeight should be 300. Was 600.
 PASS successfullyParsed is true

 TEST COMPLETE


--- /Volumes/Data/EWS/WebKit/WebKitBuild/Release-iphonesimulator/layout-test-results/fast/css/preserve-user-specified-zoom-level-on-reload-expected.txt
+++ /Volumes/Data/EWS/WebKit/WebKitBuild/Release-iphonesimulator/layout-test-results/fast/css/preserve-user-specified-zoom-level-on-reload-actual.txt
&#64;&#64; -1,8 +1,10 &#64;&#64;
-layer at (0,0) size 2389x1792
-  RenderView at (0,0) size 2389x1792
-layer at (0,0) size 2389x1792
-  RenderBlock {HTML} at (0,0) size 2389x1792
-    RenderBody {BODY} at (23,23) size 2343x1722
-      RenderBlock {P} at (0,0) size 2342x57
-        RenderText {#text} at (0,1) size 1651x54
-          text run at (0,1) width 1651: &quot;This test ensures that we preserve the user-specified zoom level of the page on reload.&quot;
+layer at (0,0) size 800x600
+  RenderView at (0,0) size 800x600
+layer at (0,0) size 800x600
+  RenderBlock {HTML} at (0,0) size 800x600
+    RenderBody {BODY} at (23,23) size 754x530
+      RenderBlock {P} at (0,0) size 753x171
+        RenderText {#text} at (0,1) size 718x168
+          text run at (0,1) width 718: &quot;This test ensures that we preserve the&quot;
+          text run at (0,58) width 718: &quot;user-specified zoom level of the page&quot;
+          text run at (0,115) width 192: &quot;on reload.&quot;</pre>
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