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    <p>Hello!</p>
    <p>Could you create a ticket about this with all the relevant
      details (OS X version, boot ghc version, commit, hadrian command,
      etc), and the 'hadrian' label? You should even feel free to
      mention @snowleopard and @alp there.</p>
    <p>Cheers<br>
    </p>
    <div class="moz-cite-prefix">On 22/05/2019 19:37, Shayne Fletcher
      via ghc-devs wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAKe9RRGeJQ8-r_SF=-HEfKPtbaHK4Y_MtqkjBCFyYm7iFFcMmQ@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div class="gmail_default"
          style="font-family:verdana,sans-serif;font-size:small">I'm
          trying to isolate the commit that's causing this, but the deal
          is on MacOS I'm seeing stage1 `ld` crashes linking `HStime`:<br>
          ```<br>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">0<span
                class="gmail-Apple-converted-space">  </span>0x1052e2748<span
                class="gmail-Apple-converted-space">  </span>__assert_rtn
              + 129</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">1<span
                class="gmail-Apple-converted-space">  </span>0x1052be30f<span
                class="gmail-Apple-converted-space">  </span>ld::Fixup::Fixup(unsigned
              int, ld::Fixup::Cluster, ld::Fixup::Kind, bool, char
              const*) + 95</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">2<span
                class="gmail-Apple-converted-space">  </span>0x1052e8736<span
                class="gmail-Apple-converted-space">  </span>mach_o::relocatable::Parser<x86_64>::addFixup(mach_o::relocatable::Parser<x86_64>::SourceLocation
              const&, ld::Fixup::Cluster, ld::Fixup::Kind, bool,
              char const*) + 34</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">3<span
                class="gmail-Apple-converted-space">  </span>0x1052eaa9c<span
                class="gmail-Apple-converted-space">  </span>mach_o::relocatable::Section<x86_64>::addRelocFixup(mach_o::relocatable::Parser<x86_64>&,
              macho_relocation_info<Pointer64<LittleEndian>
              > const*) + 1722</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">4<span
                class="gmail-Apple-converted-space">  </span>0x1052ff61b<span
                class="gmail-Apple-converted-space">  </span>mach_o::relocatable::Section<x86_64>::makeFixups(mach_o::relocatable::Parser<x86_64>&,
mach_o::relocatable::Parser<x86_64>::CFI_CU_InfoArrays const&)
              + 105</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">5<span
                class="gmail-Apple-converted-space">  </span>0x1052faa66<span
                class="gmail-Apple-converted-space">  </span>mach_o::relocatable::Parser<x86_64>::parse(mach_o::relocatable::ParserOptions
              const&) + 2120</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">6<span
                class="gmail-Apple-converted-space">  </span>0x1052f1250<span
                class="gmail-Apple-converted-space">  </span>mach_o::relocatable::Parser<x86_64>::parse(unsigned
              char const*, unsigned long long, char const*, long,
              ld::File::Ordinal, mach_o::relocatable::ParserOptions
              const&) + 282</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">7<span
                class="gmail-Apple-converted-space">  </span>0x10534352a<span
                class="gmail-Apple-converted-space">  </span>ld::tool::InputFiles::makeFile(Options::FileInfo
              const&, bool) + 808</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">8<span
                class="gmail-Apple-converted-space">  </span>0x105345f22<span
                class="gmail-Apple-converted-space">  </span>ld::tool::InputFiles::parseWorkerThread()
              + 530</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">9<span
                class="gmail-Apple-converted-space">  </span>0x7fff70a6b2eb<span
                class="gmail-Apple-converted-space">  </span>_pthread_body
              + 126</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">10<span
                class="gmail-Apple-converted-space">  </span>0x7fff70a6e249<span
                class="gmail-Apple-converted-space">  </span>_pthread_start
              + 66</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">A
              linker snapshot was created at:</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre">     </span>/tmp/HStime-1.9.2.o-2019-04-22-132113.ld-snapshot</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:"Source
            Code Pro";color:rgb(0,0,0)"><span class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">ld:
              Assertion failed: (name != NULL), function Fixup, file
              /Library/Caches/com.apple.xbs/Sources/ld64/ld64-450.3/src/ld/ld.hpp,
              line 724.<br>
              ```<br>
              I can replicate this on multiple machines and different
              versions of xcode command line tools.<br>
              <br>
              Any ideas?</span></p>
        </div>
        <div><br>
        </div>
        -- <br>
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                                              face="verdana, sans-serif"><span
style="font-weight:bold;font-size:14px">Shayne Fletcher</span><br>
                                              Language Engineer<br>
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style="color:rgb(96,138,216)">+1 917 699 7763</span><br>
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
ghc-devs mailing list
<a class="moz-txt-link-abbreviated" href="mailto:ghc-devs@haskell.org">ghc-devs@haskell.org</a>
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</pre>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
Alp Mestanogullari, Haskell Consultant
Well-Typed LLP, <a class="moz-txt-link-freetext" href="https://www.well-typed.com/">https://www.well-typed.com/</a>

Registered in England and Wales, OC335890
118 Wymering Mansions, Wymering Road, London, W9 2NF, England</pre>
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