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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 - Program crashing due to missing return statement?"
href="https://bugs.llvm.org/show_bug.cgi?id=32158">32158</a>
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<th>Summary</th>
<td>Program crashing due to missing return statement?
</td>
</tr>
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<th>Product</th>
<td>new-bugs
</td>
</tr>
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<th>Version</th>
<td>3.9
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>new bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>yaron.keren@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>$ cat file1.cpp
int backend() {}
int main() { backend(); }
$ clang-3.9 file1.cpp ; ./a.out
file1.cpp:1:16: warning: control reaches end of non-void function
[-Wreturn-type]
int backend() {}
^
1 warning generated.
Illegal instruction (core dumped)
$ clang-3.9 -v
clang version 3.9.0 (trunk 274529)
happens with clang version 5.0.0 (trunk 294982) too.
if this is valid (undefined?) behaviour, shouldn't the -Wreturn-type be an
error?</pre>
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</p>
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