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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - springLoadingHighlight is not automatically synthesized in Yosemite"
   href="https://bugs.webkit.org/show_bug.cgi?id=149357">149357</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>springLoadingHighlight is not automatically synthesized in Yosemite
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Tools / Tests
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>utatane.tea&#64;gmail.com
          </td>
        </tr></table>
      <p>
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        <pre>SDK 10.11 introduces springLoadingHighlight. It is a objective-c property in a protocol.
It is marked as NS_AVAILABLE_MAC(10_11), but it exists.
As a result, if we build WebKit with 10.11 SDK in Yosemite, the following build failure occurs.

/Users/yusukesuzuki/development/Modules/Tools/WebKitTestRunner/mac/WebKitTestRunnerDraggingInfo.mm:35:17: error: auto property synthesis will not
      synthesize property 'springLoadingHighlight' declared in protocol 'NSDraggingInfo' [-Werror,-Wobjc-protocol-property-synthesis]
&#64;implementation WebKitTestRunnerDraggingInfo
                ^
In file included from /Users/yusukesuzuki/development/Modules/Tools/WebKitTestRunner/mac/WebKitTestRunnerDraggingInfo.mm:1:
In file included from /Users/yusukesuzuki/development/Modules/Tools/WebKitTestRunner/WebKitTestRunnerPrefix.h:30:
In file included from /Users/yusukesuzuki/development/Modules/WebKitBuild/new-int1/Release/WebKit.framework/PrivateHeaders/WebKit2_C.h:66:
In file included from /Users/yusukesuzuki/development/Modules/WebKitBuild/new-int1/Release/WebKit.framework/PrivateHeaders/WKView.h:30:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/Coco
a.framework/Headers/Cocoa.h:13:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/AppK
it.framework/Headers/AppKit.h:15:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/AppK
it.framework/Headers/NSActionCell.h:8:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/AppK
it.framework/Headers/NSCell.h:11:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/AppK
it.framework/Headers/NSText.h:8:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSView.h:18:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSDragging.h:101:47: note:
      property declared here
&#64;property (readonly) NSSpringLoadingHighlight springLoadingHighlight NS_AVAILABLE_MAC(10_11);
                                              ^
1 error generated.</pre>
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