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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang++ segfault in EmitReturnBlock"
href="https://bugs.llvm.org/show_bug.cgi?id=40246">40246</a>
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<th>Summary</th>
<td>clang++ segfault in EmitReturnBlock
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>7.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>shik.chen@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=21301" name="attach_21301" title="code">attachment 21301</a> <a href="attachment.cgi?id=21301&action=edit" title="code">[details]</a></span>
code
``` cpp
#include <cstdio>
template<int* p>
void bar() {
printf("p = %p, *p = %d\n", p, *p);
}
template<class T>
void foo(T) {
static int x = 456;
bar<&x>();
}
int main() {
foo(123);
return 0;
}
```
`clang++ -std=c++17 segfault.cpp` crashed.
<a href="https://godbolt.org/z/Aebp_E">https://godbolt.org/z/Aebp_E</a></pre>
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