<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 - cplusplus.NewDeleteLeaks false positive on code using gmock"
href="https://bugs.llvm.org/show_bug.cgi?id=39348">39348</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>cplusplus.NewDeleteLeaks false positive on code using gmock
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Static Analyzer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dcoughlin@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>alexfh@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>#include "gmock.h"
#include "gunit.h"
using ::testing::Return;
int n;
TEST(A, B) {
Return(true);
ASSERT_EQ(n, 1);
}
$ clang-tidy -checks=-*,clang-analyzer*,-clang-analyzer-optin* q.cc -extra-arg
-Xclang=-analyzer-display-progress -extra-arg
-Xclang=-analyze-function="A_B_Test::TestBody()"
ANALYZE (Syntax): q.cc A_B_Test::TestBody()
ANALYZE (Path, Inline_Regular): q.cc A_B_Test::TestBody()
16 warnings generated.
q.cc:11:3: warning: Potential leak of memory pointed to by field 'value_'
[clang-analyzer-cplusplus.NewDeleteLeaks]
ASSERT_EQ(n, 1);
^
gtest.h:2022:32: note: expanded from macro 'ASSERT_EQ'
# define ASSERT_EQ(val1, val2) GTEST_ASSERT_EQ(val1, val2)
^
gtest.h:2004:23: note: expanded from macro 'GTEST_ASSERT_EQ'
ASSERT_PRED_FORMAT2(::testing::internal:: \
^
q.cc:9:3: note: Calling 'Return<bool>'
Return(true);
^
gmock-actions.h:1121:10: note: Calling constructor for 'ReturnAction<bool>'
return internal::ReturnAction<R>(std::move(value));
^
gmock-actions.h:569:43: note: Memory is allocated
explicit ReturnAction(R value) : value_(new R(std::move(value))) {}
^
gmock-actions.h:1121:10: note: Returning from constructor for
'ReturnAction<bool>'
return internal::ReturnAction<R>(std::move(value));
^
q.cc:9:3: note: Returned allocated memory
Return(true);
^
Suppressed 17 warnings (2 NOLINT, 15 with check filters).
I'll try to provide a hermetic reproduction later.</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>