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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>201476</bug_id>
          
          <creation_ts>2019-09-04 16:01:56 -0700</creation_ts>
          <short_desc>Fix implicit conversion that loses precision</short_desc>
          <delta_ts>2019-09-06 10:16:49 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebKit Misc.</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Keith Rollin">krollin</reporter>
          <assigned_to name="Keith Rollin">krollin</assigned_to>
          <cc>achristensen</cc>
    
    <cc>commit-queue</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>youennf</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1567897</commentid>
    <comment_count>0</comment_count>
    <who name="Keith Rollin">krollin</who>
    <bug_when>2019-09-04 16:01:56 -0700</bug_when>
    <thetext>Building for watchOS results in the following error:

.../Source/WebCore/fileapi/NetworkSendQueue.cpp:66:42: error: implicit conversion loses 
integer precision: &apos;unsigned long long&apos; to &apos;unsigned int&apos; [-Werror,-Wshorten-64-to-32]
        enqueue(JSC::ArrayBuffer::create(byteLength, 1), 0, 0);

Fix this with an ASSERT(isInBounds()) and a static_cast.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1567898</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2019-09-04 16:02:09 -0700</bug_when>
    <thetext>&lt;rdar://problem/55043129&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1567899</commentid>
    <comment_count>2</comment_count>
      <attachid>378023</attachid>
    <who name="Keith Rollin">krollin</who>
    <bug_when>2019-09-04 16:05:49 -0700</bug_when>
    <thetext>Created attachment 378023
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1567938</commentid>
    <comment_count>3</comment_count>
      <attachid>378023</attachid>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2019-09-04 18:39:39 -0700</bug_when>
    <thetext>Comment on attachment 378023
Patch

WebKit style prefers &quot;unsigned&quot; over &quot;unsigned int&quot;
I think it would look nicer if we instead changed the line before this:
unsigned byteLength = blob.size();</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1568012</commentid>
    <comment_count>4</comment_count>
      <attachid>378023</attachid>
    <who name="youenn fablet">youennf</who>
    <bug_when>2019-09-04 23:04:02 -0700</bug_when>
    <thetext>Comment on attachment 378023
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=378023&amp;action=review

&gt; Source/WebCore/fileapi/NetworkSendQueue.cpp:68
&gt; +        enqueue(JSC::ArrayBuffer::create(static_cast&lt;unsigned int&gt;(byteLength), 1), 0, 0);

The ASSERT is unneeded, since byteLength is equal to 0.
We could write it as: enqueue(JSC::ArrayBuffer::create(0, 1), 0, 0);
But then the compiler will not know which ArrayBuffer::create to use.
I guess typing 0 as unsigned will make things clearer.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1568081</commentid>
    <comment_count>5</comment_count>
    <who name="Keith Rollin">krollin</who>
    <bug_when>2019-09-05 02:43:08 -0700</bug_when>
    <thetext>Youenn, I think you&apos;re saying to use the following?

JSC::ArrayBuffer::create(0U, 1)

I&apos;m taking this route rather than Alex&apos;s suggestion, since his will still require a static_cast&lt;&gt;() at the point where byteLength is assigned.

I also removed the ASSERT().</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1568082</commentid>
    <comment_count>6</comment_count>
      <attachid>378070</attachid>
    <who name="Keith Rollin">krollin</who>
    <bug_when>2019-09-05 02:44:02 -0700</bug_when>
    <thetext>Created attachment 378070
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1568093</commentid>
    <comment_count>7</comment_count>
      <attachid>378070</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-05 03:53:42 -0700</bug_when>
    <thetext>Comment on attachment 378070
Patch

Clearing flags on attachment: 378070

Committed r249527: &lt;https://trac.webkit.org/changeset/249527&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1568094</commentid>
    <comment_count>8</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-05 03:53:43 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1568569</commentid>
    <comment_count>9</comment_count>
      <attachid>378070</attachid>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2019-09-06 10:16:49 -0700</bug_when>
    <thetext>Comment on attachment 378070
Patch

Wow, this change is much better.</thetext>
  </long_desc>
      
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