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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang 10.0 segfault with temporary as template parameter"
href="https://bugs.llvm.org/show_bug.cgi?id=46435">46435</a>
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<th>Summary</th>
<td>Clang 10.0 segfault with temporary as template parameter
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>10.0
</td>
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<th>Hardware</th>
<td>Macintosh
</td>
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<th>OS</th>
<td>MacOS X
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++2a
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>stepan773@gmail.com
</td>
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<th>CC</th>
<td>blitzrakete@gmail.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=23643" name="attach_23643" title="Crash dump">attachment 23643</a> <a href="attachment.cgi?id=23643&action=edit" title="Crash dump">[details]</a></span>
Crash dump
Clang 10.0 crashes with a segfault when compiling the code below. Crash dump
attached.
Code to reproduce:
// clang++ -std=c++20 example.cpp -o example
#include <iostream>
template<size_t N>
struct const_literal {
constexpr const_literal(const char (&v)[N]) {
std::copy_n(v, N, value);
}
char value[N];
};
template<const auto& Name>
struct notation {
template<typename OutputStream>
static void print(OutputStream& output) {
output << Name.value << "\n";
}
};
using example = notation<const_literal("Example")>;
int main() {
example::print(std::cout);
return 0;
}</pre>
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