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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang seg fault triggered by defaulted template template parameter calculated from other template parameter"
href="https://bugs.llvm.org/show_bug.cgi?id=43115">43115</a>
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<th>Summary</th>
<td>Clang seg fault triggered by defaulted template template parameter calculated from other template parameter
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>8.0
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<th>Hardware</th>
<td>Macintosh
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<th>OS</th>
<td>MacOS X
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>jonesconrad1@gmail.com
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<pre>template <size_t index, typename ARG, E enumVal = static_cast<E>(index),
template <typename> typename CONSTRAINT = PT<enumVal>::template constraint>
line 609827 of attached file coreaudiodevice.mm
and line 609860
it was able to compile once i removed the defaulted type for the template
template parameter CONSTRAINT and moved the "calculation" of this to the
calling function</pre>
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