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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - lldb crashes (on linux) when debugging optimized code (-O2)"
href="https://bugs.llvm.org/show_bug.cgi?id=40943">40943</a>
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<th>Summary</th>
<td>lldb crashes (on linux) when debugging optimized code (-O2)
</td>
</tr>
<tr>
<th>Product</th>
<td>lldb
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>lldb-dev@lists.llvm.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>davide@freebsd.org
</td>
</tr>
<tr>
<th>CC</th>
<td>aprantl@apple.com, labath@google.com, llvm-bugs@lists.llvm.org, zturner@google.com
</td>
</tr></table>
<p>
<div>
<pre>$ cat outer.c
void optimize_me_not() {}
$ cat abc.c
a;
main() {
optimize_me_not();
{
int b[1];
b[0] = 1;
a = 0;
}
}
$ clang-trunk abc.c /home/davide/reduce-crash/outer.c -g -O2 -o a.out
$
$ cat cmds
b 3
r
kill
quit
$ lldb-trunk a.out -s cmds -b
(lldb) target create "a.out"
Current executable set to 'a.out' (x86_64).
(lldb) command source -s 0 'cmds'
Executing commands in '/home/davide/reduce-crash/cmds'.
Segmentation fault (core dumped)
$ clang-trunk --version
clang version 9.0.0 (trunk 355281)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin
$ lldb-trunk --version
lldb version 9.0.0 (<a href="https://llvm.org/svn/llvm-project/lldb/trunk">https://llvm.org/svn/llvm-project/lldb/trunk</a> revision
355281)
clang revision 355281
llvm revision 355281
$ uname -a
Linux 4.15.0-45-generic #48-Ubuntu SMP Tue Jan 29 16:28:13 UTC 2019 x86_64
x86_64 x86_64 GNU/Linux</pre>
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