<html>
<head>
<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Trunk clang crashes with weird catch expression"
href="http://llvm.org/bugs/show_bug.cgi?id=21252">21252</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Trunk clang crashes with weird catch expression
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Macintosh
</td>
</tr>
<tr>
<th>OS</th>
<td>MacOS X
</td>
</tr>
<tr>
<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>C++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mclow.lists@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>$ totclang --version
clang version 3.6.0 (trunk 219579)
Target: x86_64-apple-darwin13.4.0
Thread model: posix
$ cat boom.cpp
#include <iostream>
int main() {
try { throw "ABC"; }
// catch (std::string) { std::cout << "Caught string" << std::endl; }
catch (char const (&)[4]) { std::cout << "Caught char const [4]" <<
std::endl; }
// catch (char *) { std::cout << "Caught char *" << std::endl; }
// catch (const char *) { std::cout << "Caught const char *" <<
std::endl; }
catch (...) { std::cout << "caught: ..." << std::endl; }
}
$ totclang boom.cpp
Assertion failed: (!Ty.hasQualifiers() && "RTTI info cannot have top-level
qualifiers"), function mangleCXXRTTI, file
/Sources/LLVM/llvm/tools/clang/lib/AST/ItaniumMangle.cpp, line 3880.
0 clang 0x00000001071b96ab void
std::__1::seed_seq::generate<unsigned int*>(unsigned int*, unsigned int*) +
12155
1 clang 0x00000001071b9e4b void
std::__1::seed_seq::generate<unsigned int*>(unsigned int*, unsigned int*) +
14107
2 libsystem_platform.dylib 0x00007fff908bd5aa _sigtramp + 26
3 libsystem_platform.dylib 000000000000000000 _sigtramp + 1869884016
4 clang 0x00000001071b9bb6 void
std::__1::seed_seq::generate<unsigned int*>(unsigned int*, unsigned int*) +
13446
5 clang 0x00000001071b9b91 void
std::__1::seed_seq::generate<unsigned int*>(unsigned int*, unsigned int*) +
13409
6 clang 0x0000000105ecc6b5
std::__1::__tree<std::__1::__value_type<void const*, clang::APValue>,
std::__1::__map_value_compare<void const*, std::__1::__value_type<void const*,
clang::APValue>, std::__1::less<void const*>, true>,
std::__1::allocator<std::__1::__value_type<void const*, clang::APValue> >
<span class="quote">>::destroy(std::__1::__tree_node<std::__1::__value_type<void const*,</span >
clang::APValue>, void*>*) + 7605
.... and much more.</pre>
</div>
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