<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!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>68716</bug_id>
          
          <creation_ts>2011-09-23 12:39:56 -0700</creation_ts>
          <short_desc>Add a bunch of unhandled node types to the propagator</short_desc>
          <delta_ts>2011-09-23 12:50:37 -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>New Bugs</component>
          <version>528+ (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></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Oliver Hunt">oliver</reporter>
          <assigned_to name="Oliver Hunt">oliver</assigned_to>
          
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>472411</commentid>
    <comment_count>0</comment_count>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2011-09-23 12:39:56 -0700</bug_when>
    <thetext>Add a bunch of unhandled node types to the propagator</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>472412</commentid>
    <comment_count>1</comment_count>
      <attachid>108510</attachid>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2011-09-23 12:41:50 -0700</bug_when>
    <thetext>Created attachment 108510
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>472413</commentid>
    <comment_count>2</comment_count>
      <attachid>108510</attachid>
    <who name="Darin Adler">darin</who>
    <bug_when>2011-09-23 12:43:28 -0700</bug_when>
    <thetext>Comment on attachment 108510
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=108510&amp;action=review

&gt; Source/JavaScriptCore/dfg/DFGPropagator.cpp:-610
&gt; -            ASSERT_NOT_REACHED();

Might still be nice to have an ASSERT_NOT_REACHED when the node type is not a legal enum value. Sometimes we do that by using return instead of break, and then asserting outside the switch statement.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>472416</commentid>
    <comment_count>3</comment_count>
      <attachid>108510</attachid>
    <who name="Gavin Barraclough">barraclough</who>
    <bug_when>2011-09-23 12:46:09 -0700</bug_when>
    <thetext>Comment on attachment 108510
Patch

r+ with or without ValueToDouble doing anything.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>472417</commentid>
    <comment_count>4</comment_count>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2011-09-23 12:47:38 -0700</bug_when>
    <thetext>Committed r95851: &lt;http://trac.webkit.org/changeset/95851&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>472420</commentid>
    <comment_count>5</comment_count>
      <attachid>108510</attachid>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2011-09-23 12:50:37 -0700</bug_when>
    <thetext>Comment on attachment 108510
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=108510&amp;action=review

&gt; Source/JavaScriptCore/dfg/DFGPropagator.cpp:404
&gt; +            changed |= mergePrediction(makePrediction(PredictNumber, StrongPrediction));

This should be PredictDouble.  PredictNumber means that it could be either double or int32.  ValueToDouble only returns doubles.

But also, this is dead code: ValueToDouble should never come up at this stage of compilation, since it is only introduced during post-propagation fixup just following this fixpoint.  We could put ASSERT_NOT_REACHED here.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>108510</attachid>
            <date>2011-09-23 12:41:50 -0700</date>
            <delta_ts>2011-09-23 12:50:37 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-68716-20110923124149.patch</filename>
            <type>text/plain</type>
            <size>2339</size>
            <attacher name="Oliver Hunt">oliver</attacher>
            
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    </bug>

</bugzilla>