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<body><span class="vcard"><a class="email" href="mailto:matthewbg@google.com" title="Matt Beaumont-Gay <matthewbg@google.com>"> <span class="fn">Matt Beaumont-Gay</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WORKSFORME - warn about signed, unsigned arithmetic"
href="http://llvm.org/bugs/show_bug.cgi?id=15507">bug 15507</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>WORKSFORME
</td>
</tr></table>
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<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WORKSFORME - warn about signed, unsigned arithmetic"
href="http://llvm.org/bugs/show_bug.cgi?id=15507#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WORKSFORME - warn about signed, unsigned arithmetic"
href="http://llvm.org/bugs/show_bug.cgi?id=15507">bug 15507</a>
from <span class="vcard"><a class="email" href="mailto:matthewbg@google.com" title="Matt Beaumont-Gay <matthewbg@google.com>"> <span class="fn">Matt Beaumont-Gay</span></a>
</span></b>
<pre>$ clang -Wsign-conversion -x c++ -fsyntax-only - <<EOF
void f() {
int s = -1;
unsigned int u = 2;
signed d = u / s;
}
EOF
<stdin>:4:14: warning: implicit conversion changes signedness: 'unsigned int'
to 'int' [-Wsign-conversion]
signed d = u / s;
~ ~~^~~
<stdin>:4:16: warning: implicit conversion changes signedness: 'int' to
'unsigned int' [-Wsign-conversion]
signed d = u / s;
~ ^
2 warnings generated.</pre>
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