<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - -Wconsumed emits a false warning on a state change following a loop"
href="https://bugs.llvm.org/show_bug.cgi?id=32720">32720</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>-Wconsumed emits a false warning on a state change following a loop
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Static Analyzer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>kremenek@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mail+llvm@tzik.jp
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Here is a repro case. The consumed annotation analysis is affected by an
unrelated simple loop.
$ clang++ --version
clang version 5.0.0
$ cat >foo.cc <<EOF
struct __attribute__((consumable(unconsumed))) Foo {
void consume() __attribute__((set_typestate(consumed))) {}
};
void bar(Foo foo) {
for (int i = 0; i < 1; ++i) {}
foo.consume();
}
EOF
$ clang++ -Wconsumed -c foo.cc
foo.cc:7:26: warning: state of variable 'foo' must match at the entry and exit
of loop [-Wconsumed]</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>