<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 - SmallBitVector::find_last gives incorrect results with small types"
href="https://bugs.llvm.org/show_bug.cgi?id=38996">38996</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>SmallBitVector::find_last gives incorrect results with small types
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows NT
</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>Support Libraries
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>llvm-dev@redking.me.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, zturner@google.com
</td>
</tr></table>
<p>
<div>
<pre>TYPED_TEST(BitVectorTest, SmallFind) {
TypeParam Vec(10, false);
EXPECT_EQ(-1, Vec.find_first());
EXPECT_EQ(-1, Vec.find_last());
Vec.resize(11, true);
EXPECT_EQ(10, Vec.find_first());
EXPECT_EQ(10, Vec.find_last()); // returns 11
Vec.resize(12, false);
EXPECT_EQ(10, Vec.find_first());
EXPECT_EQ(10, Vec.find_last()); // returns 11
Vec.resize(13, true);
EXPECT_EQ(10, Vec.find_first());
EXPECT_EQ(12, Vec.find_last()); // returns 13
}
SmallBitVector fails these tests:
unittests\ADT\BitVectorTest.cpp(192): error: Expected: 10
To be equal to: Vec.find_last()
Which is: 11
unittests\ADT\BitVectorTest.cpp(196): error: Expected: 10
To be equal to: Vec.find_last()
Which is: 11
unittests\ADT\BitVectorTest.cpp(200): error: Expected: 12
To be equal to: Vec.find_last()
Which is: 13</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>