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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang fails to parse C++11 attributes for unnamed bit-fields"
href="https://bugs.llvm.org/show_bug.cgi?id=46562">46562</a>
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<th>Summary</th>
<td>Clang fails to parse C++11 attributes for unnamed bit-fields
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++11
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>hstong@ca.ibm.com
</td>
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<pre>A short test shows that Clang does not accept attributes before the colon (`:`)
for bit-fields when the identifier is omitted.
### SOURCE (<stdin>):
struct A {
int x, [[]] : 0;
};
### COMPILER INVOCATION:
clang -cc1 -fsyntax-only -xc++ -
### ACTUAL OUTPUT:
<stdin>:2:10: error: an attribute list cannot appear here
int x, [[]] : 0;
^~~~
<stdin>:2:15: error: expected member name or ';' after declaration specifiers
int x, [[]] : 0;
~~~ ^
2 errors generated.
### EXPECTED OUTPUT:
(rc=0)
### COMPILER VERSION INFO (clang++ -v):
clang version 11.0.0 (<a href="https://github.com/llvm/llvm-project.git">https://github.com/llvm/llvm-project.git</a>
f9348f70c2330f3565ee01134bcba1dd38628c79)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/wandbox/clang-head/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.5.0
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64</pre>
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