<html>
    <head>
      <base href="https://llvm.org/bugs/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - llvm-tblgen linked with LLD core dumps"
   href="https://llvm.org/bugs/show_bug.cgi?id=30918">30918</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>llvm-tblgen linked with LLD core dumps
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>lld
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>ELF
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>eugene.zelenko@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>I experienced coredump when trying to build LLVM/Clang in two stages and using
LLD as linker on second stage (-DLLVM_ENABLE_LLD=ON).

/bin/sh: line 1: 14247 Segmentation fault      (core dumped)
../../../../../bin/llvm-tblgen -gen-opt-parser-defs -I
llvm-svn.src/tools/clang/include/clang/Driver -I llvm-svn.src/lib/Target -I
llvm-svn.src/include llvm-svn.src/tools/clang/include/clang/Driver/Options.td
-o pass2.build/tools/clang/include/clang/Driver/Options.inc.tmp

LLVM/Clang build is x86_64 and use libc++ (-DLLVM_ENABLE_LIBCXX=ON).

Same build is OK when ld is used.

Problem was introduced between r285858 and r285932.</pre>
        </div>
      </p>
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