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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - printf vector conversion specifier produces incorrect warning"
href="https://bugs.llvm.org/show_bug.cgi?id=39486">39486</a>
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<th>Summary</th>
<td>printf vector conversion specifier produces incorrect warning
</td>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>OpenCL
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>J.Price@bristol.ac.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>anastasia.stulova@arm.com, llvm-bugs@lists.llvm.org, Matthew.Arsenault@amd.com
</td>
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<p>
<div>
<pre>As of r343653, Clang now produces a warning when using the 'v' conversion
specifier in a printf format string, which it shouldn't (when compiling for
OpenCL).
Example kernel:
kernel void foo(float4 arg)
{
printf("%.2v4f\n", arg);
}
Clang Output:
foo.cl:3:14: warning: invalid conversion specifier 'v'
printf("%.2v4f\n", arg);
~~~^
1 warning generated.</pre>
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