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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Inconsistent handling of C++ comments in C89 mode"
href="http://llvm.org/bugs/show_bug.cgi?id=18041">18041</a>
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<th>Summary</th>
<td>Inconsistent handling of C++ comments in C89 mode
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</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>
</tr>
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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
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</tr>
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<th>Reporter</th>
<td>mimomorin@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>I compiled three test codes with -std=c89 compiler option.
(A)
int main(void)
{
//
return 0;
}
(B)
int main(void)
{
//
//*
return 0;
}
(C)
int main(void)
{
//*
return 0;
}
Code (A) compiles fine with a warning
a.c:3:5: warning: // comments are not allowed in this language [-Wcomment]
Code (B) behaves in the same way as (A).
Code (C) fails to compile with the following errors:
c:3:5: error: expected expression
//*
^
c:3:6: error: unterminated /* comment
//*
^
The behavior of Code (C) is inconsistent with those of Codes (A) and (B).
Tested on clang trunk.</pre>
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