<?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>125713</bug_id>
          
          <creation_ts>2013-12-13 15:01:40 -0800</creation_ts>
          <short_desc>LLInt should not conditionally branch to to labels outside of its function</short_desc>
          <delta_ts>2013-12-13 15:54:32 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>JavaScriptCore</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="Mark Hahnenberg">mhahnenberg</reporter>
          <assigned_to name="Mark Hahnenberg">mhahnenberg</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>fpizlo</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>959687</commentid>
    <comment_count>0</comment_count>
    <who name="Mark Hahnenberg">mhahnenberg</who>
    <bug_when>2013-12-13 15:01:40 -0800</bug_when>
    <thetext>Right now we generate the following:

bne _llint_throw_from_slow_path_trampoline

which clang/llvm do not like. 

The fix is to use an unconditional jmp to the label combined with a conditional branch around the jmp.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>959688</commentid>
    <comment_count>1</comment_count>
    <who name="Mark Hahnenberg">mhahnenberg</who>
    <bug_when>2013-12-13 15:01:51 -0800</bug_when>
    <thetext>&lt;rdar://problem/15660682&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>959691</commentid>
    <comment_count>2</comment_count>
      <attachid>219203</attachid>
    <who name="Mark Hahnenberg">mhahnenberg</who>
    <bug_when>2013-12-13 15:04:47 -0800</bug_when>
    <thetext>Created attachment 219203
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>959694</commentid>
    <comment_count>3</comment_count>
      <attachid>219203</attachid>
    <who name="Geoffrey Garen">ggaren</who>
    <bug_when>2013-12-13 15:19:52 -0800</bug_when>
    <thetext>Comment on attachment 219203
Patch

r=me</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>959703</commentid>
    <comment_count>4</comment_count>
      <attachid>219203</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2013-12-13 15:54:30 -0800</bug_when>
    <thetext>Comment on attachment 219203
Patch

Clearing flags on attachment: 219203

Committed r160571: &lt;http://trac.webkit.org/changeset/160571&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>959704</commentid>
    <comment_count>5</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2013-12-13 15:54:32 -0800</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>219203</attachid>
            <date>2013-12-13 15:04:47 -0800</date>
            <delta_ts>2013-12-13 15:54:30 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-125713-20131213150443.patch</filename>
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            <size>2066</size>
            <attacher name="Mark Hahnenberg">mhahnenberg</attacher>
            
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    </bug>

</bugzilla>