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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Structured bindings in conditions crash when using member get"
href="https://bugs.llvm.org/show_bug.cgi?id=36747">36747</a>
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<th>Summary</th>
<td>Structured bindings in conditions crash when using member get
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</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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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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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>blitzrakete@gmail.com
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<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
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<pre>Created <span class=""><a href="attachment.cgi?id=20066" name="attach_20066" title="Crash log">attachment 20066</a> <a href="attachment.cgi?id=20066&action=edit" title="Crash log">[details]</a></span>
Crash log
Here's a minimal example that I came up with
// clang++ -std=c++17 -Wbinding-in-condition -o main main.cpp
#include <tuple>
struct X {
template<int I>
int get() { return 0; }
operator bool() { return true; }
};
namespace std {
template<>
struct tuple_size<X> { static constexpr std::size_t value = 1; };
template<>
struct tuple_element<0, X> { using type = int; };
}
int main() {
if (auto[a] = X())
return a;
}
The above crashes with the attached log.</pre>
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