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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 - segfault instead of an error with an invalid code"
href="https://bugs.llvm.org/show_bug.cgi?id=40970">40970</a>
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<th>Summary</th>
<td>segfault instead of an error with an invalid code
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>8.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<tr>
<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>jonathan.poelen@gmail.com
</td>
</tr>
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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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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=21565" name="attach_21565" title="backtrace">attachment 21565</a> <a href="attachment.cgi?id=21565&action=edit" title="backtrace">[details]</a></span>
backtrace
struct A
{
template<class... Ts>
using check_printf_result = int;
};
template<class T, class... Ts>
// typename T::template check_printf_result<Ts...>
decltype(T::template check_printf_result<Ts...>) // crash instead of an error
foo(T k);
int main()
{
foo(A{});
}</pre>
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