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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - False positive: Value stored is never read"
href="http://llvm.org/bugs/show_bug.cgi?id=17948">17948</a>
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<th>Summary</th>
<td>False positive: Value stored is never read
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Static Analyzer
</td>
</tr>
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<th>Assignee</th>
<td>kremenek@apple.com
</td>
</tr>
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<th>Reporter</th>
<td>immanuel.litzroth@cloudfounders.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>This code triggers a warning:
<span class="quote">> clang-problems.cpp:, Clang (LLVM based), Priority: Normal
> Value stored to 'i' is never read. </span >
Value is read in another thread.
<span class="quote">>></span >
struct Test
{
public:
Test(bool& i_bool)
: the_bool(i_bool)
{}
void
run()
{
while(the_bool);
}
bool& the_bool;
};
void
schedule_test(Test* t)
{
// puts it on a queue that is handled in another thread
(void)t;
}
void f()
{
bool i = false;
Test* t = new Test(i);
schedule_test(t);
i = true;
// wait for threadpool to become empty
}</pre>
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</p>
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