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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Putting a breakpoint with an expression from history (e.g. b $3) does not work"
href="http://llvm.org/bugs/show_bug.cgi?id=17942">17942</a>
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<th>Summary</th>
<td>Putting a breakpoint with an expression from history (e.g. b $3) does not work
</td>
</tr>
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<th>Product</th>
<td>lldb
</td>
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<th>Version</th>
<td>3.2
</td>
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<th>Hardware</th>
<td>Macintosh
</td>
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<th>OS</th>
<td>MacOS X
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>All Bugs
</td>
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<th>Assignee</th>
<td>lldb-dev@cs.uiuc.edu
</td>
</tr>
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<th>Reporter</th>
<td>christophe@taodyne.com
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>The following session illustrates the issue (to reproduce, build xlr from
<a href="https://gitorious.org/xlr/xlr/commits/be2f08174b3a56a8673093f131945bb011350ddf">https://gitorious.org/xlr/xlr/commits/be2f08174b3a56a8673093f131945bb011350ddf</a>,
using LLVM 2.9)
Debugging MapFunctionInfo::Apply. This will trigger for example on code such
as:
writeln with "ABC", "DEF"
(lldb) p map
p map
(XL::map_fn) $7 = 0x000000010bf4cb80
// Error here is probably duplicate of #17941
(lldb) b map
b map
Breakpoint 2: 197 locations.
(lldb) br del 2
br del 2
1 breakpoints deleted; 0 breakpoint locations disabled.
// ISSUE HERE
(lldb)b $7
b $7
Breakpoint 3: no locations (pending).
WARNING: Unable to resolve breakpoint to any actual locations.</pre>
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</p>
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