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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - compiler-rt build fails with "member reference base type 'volatile atomic_flag' ""
href="https://llvm.org/bugs/show_bug.cgi?id=23556">23556</a>
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<th>Summary</th>
<td>compiler-rt build fails with "member reference base type 'volatile atomic_flag' "
</td>
</tr>
<tr>
<th>Product</th>
<td>compiler-rt
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</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>
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<th>Component</th>
<td>compiler-rt
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>sylvestre@debian.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Current snapshot of compiler-rt fails to build under Ubuntu utopic:
----
/tmp/buildd/llvm-toolchain-snapshot-3.7~svn237553/build-llvm/Release/bin/clang
-fPIC
-I/tmp/buildd/llvm-toolchain-snapshot-3.7~svn237553/projects/compiler-rt/lib
-I/tmp/buildd/llvm-toolchain-snapshot-3.7~svn237553/projects/compiler-rt/include
-Wall -Werror -O3 -fomit-frame-pointer -m64 -c -o
/tmp/buildd/llvm-toolchain-snapshot-3.7~svn237553/build-llvm/tools/clang/runtime/compiler-rt/clang_linux/builtins-x86_64/x86_64/SubDir.lib__builtins/atomic_flag_clear.o
/tmp/buildd/llvm-toolchain-snapshot-3.7~svn237553/projects/compiler-rt/lib/builtins/atomic_flag_clear.c
/tmp/buildd/llvm-toolchain-snapshot-3.7~svn237553/projects/compiler-rt/lib/builtins/atomic_flag_clear.c:18:38:
error: member reference base type 'volatile atomic_flag' (aka 'volatile
_Atomic(struct (anonymous struct at
/usr/lib/gcc/x86_64-linux-gnu/4.9/include/stdatomic.h:232:17))') is not a
structure or union
return __c11_atomic_store(&(object)->_Value, 0, __ATOMIC_SEQ_CST);
~~~~~~~~^ ~~~~~~
1 error generated.
----</pre>
</div>
</p>
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