Bug 1277526 - Blacklist ATI win7 drivers 8.850.0.0 - r=nical

MozReview-Commit-ID: 3qvWviFXQMt

--HG--
extra : rebase_source : 6e8bab399152fdfbce011c40d8a4bc866ca335fe

widget/windows/GfxInfo.cpp

@@ -855,6 +855,12 @@ GfxInfo::GetGfxDriverInfo()
       GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
       DRIVER_LESS_THAN, V(8,56,1,15), "FEATURE_FAILURE_AMD2", "8.56.1.15" );
 
+    // Bug 1277526
+    APPEND_TO_DRIVER_BLOCKLIST2(OperatingSystem::Windows7,
+      (nsAString&) GfxDriverInfo::GetDeviceVendor(VendorATI), GfxDriverInfo::allDevices,
+      GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+      DRIVER_EQUAL, V(8,850,0,0), "FEATURE_FAILURE_BUG_1277526");
+
     // Bug 1099252
     APPEND_TO_DRIVER_BLOCKLIST2(OperatingSystem::Windows7,
       (nsAString&) GfxDriverInfo::GetDeviceVendor(VendorATI), GfxDriverInfo::allDevices,