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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 - SIGSEGV in recursive function template with generic lambda argument"
href="https://bugs.llvm.org/show_bug.cgi?id=49720">49720</a>
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<th>Summary</th>
<td>SIGSEGV in recursive function template with generic lambda argument
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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
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<th>Status</th>
<td>NEW
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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++
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>davidfromonline@gmail.com
</td>
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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>
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<pre>The following translation unit
```
template<typename Outer>
auto recurse(Outer outer_lambda) {
outer_lambda(0);
auto lambda = [](auto) {};
recurse(lambda);
}
void start() {
recurse([](int) {});
}
```
should hit the template instantiation depth and fail to compile. Instead, the
compiler crashes with a SIGSEGV, even with assertions enabled.
See it live: <a href="https://godbolt.org/z/6q7vbx8qb">https://godbolt.org/z/6q7vbx8qb</a>
It looks like this was introduced in clang 4.0.0</pre>
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