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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Some atomics tests fail on 32 bit"
href="http://llvm.org/bugs/show_bug.cgi?id=15457">15457</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Some atomics tests fail on 32 bit
</td>
</tr>
<tr>
<th>Product</th>
<td>libc++
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
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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>
</tr>
<tr>
<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>hhinnant@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>bruce.mitchener@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>When building for 32 bit (and with -O2), some tests fail that don't fail when
building for x86_64.
This is pretty much the same scenario as
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - std::bitset<63> test fails on 32 bit target"
href="show_bug.cgi?id=15444">http://llvm.org/bugs/show_bug.cgi?id=15444</a> ... I'm on Mountain Lion and using a
current drop of libcxx.
The errors are:
Assertion failed: (obj == T(1)), function do_test, file integral.pass.cpp, line
132.
./testit: line 90: 61449 Abort trap: 6 ./$TEST_EXE
/Users/bruce/Development/libcxx/test/atomics/atomics.types.generic/integral.pass.cpp
failed at run time
Compile line was: xcrun clang++ -std=c++0x -stdlib=libc++ -arch i386 -O2
-I/Users/bruce/Development/libcxx/test/support
-I/Users/bruce/Development/libcxx/include -L/Users/bruce/Development/libcxx/lib
integral.pass.cpp
failed 1 tests in
/Users/bruce/Development/libcxx/test/atomics/atomics.types.generic
passed 4 tests in
/Users/bruce/Development/libcxx/test/atomics/atomics.types.generic
Assertion failed: (t == T(1)), function test, file atomic_fetch_sub.pass.cpp,
line 41.
./testit: line 90: 61562 Abort trap: 6 ./$TEST_EXE
/Users/bruce/Development/libcxx/test/atomics/atomics.types.operations/atomics.types.operations.req/atomic_fetch_sub.pass.cpp
failed at run time
Compile line was: xcrun clang++ -std=c++0x -stdlib=libc++ -arch i386 -O2
-I/Users/bruce/Development/libcxx/test/support
-I/Users/bruce/Development/libcxx/include -L/Users/bruce/Development/libcxx/lib
atomic_fetch_sub.pass.cpp
Assertion failed: (t == T(1)), function test, file
atomic_fetch_sub_explicit.pass.cpp, line 43.
./testit: line 90: 61568 Abort trap: 6 ./$TEST_EXE
/Users/bruce/Development/libcxx/test/atomics/atomics.types.operations/atomics.types.operations.req/atomic_fetch_sub_explicit.pass.cpp
failed at run time
Compile line was: xcrun clang++ -std=c++0x -stdlib=libc++ -arch i386 -O2
-I/Users/bruce/Development/libcxx/test/support
-I/Users/bruce/Development/libcxx/include -L/Users/bruce/Development/libcxx/lib
atomic_fetch_sub_explicit.pass.cpp</pre>
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</p>
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