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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ms] Clang does not recognize "static_assert" keyword in C mode"
href="https://llvm.org/bugs/show_bug.cgi?id=26672">26672</a>
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<th>Summary</th>
<td>[ms] Clang does not recognize "static_assert" keyword in C mode
</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>PC
</td>
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<th>OS</th>
<td>Windows NT
</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
</td>
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<th>Component</th>
<td>Frontend
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>andrey.kuleshov@intel.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<th>Classification</th>
<td>Unclassified
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</tr></table>
<p>
<div>
<pre>!- "static_assert" keyword is not described in C standard, but Microsoft visual
compiler (cl) can compile C code with this keyword, it seems that it might be
added to clang in C mode as well -!
=========Environment============
Os: Windows
Language: C
Version of clang: trunk
========How to reproduce========
$ cat test.c
static_assert(1, "in the ifdef");
$ clang -c test.c
========Error==================
<span class="quote">>>>clang:</span >
----
test.c:1:15: error: expected parameter declarator
static_assert(1, "in the ifdef");
^
test.c:1:15: error: expected ')'
test.c:1:14: note: to match this '('
static_assert(1, "in the ifdef");
^
test.c:1:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
static_assert(1, "in the ifdef");
^
<span class="quote">>>>MSVC Version 18.00.31101 for x64:</span >
----
no diagnostics
<span class="quote">>>> Intel c/c++ compiler:</span >
----
no diagnostics
=======================
Intel Software Engineer
Andrey Kuleshov</pre>
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