<html>
<head>
<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Undefined reference to destructor in some cases"
href="https://llvm.org/bugs/show_bug.cgi?id=28280">28280</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Undefined reference to destructor in some cases
</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>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>burchakov.oleg@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>$ cat test.cc
struct Buzz
{
~Buzz() {};
};
struct Foo
{
Buzz buzz;
};
struct Bar
{
static Bar create() { return Bar(); };
};
struct FooBar
{
Foo foo;
Bar bar;
static FooBar read(const Foo& foo);
};
FooBar FooBar::read(const Foo& foo)
{
return
{
foo,
Bar::create()
};
}
int main()
{
FooBar::read(Foo());
}
$ ./clang++ -std=c++11 -O0 test.cc
/tmp/test-034a8e.o: In function `FooBar::read(Foo const&)':
test.cc:(.text+0x40): undefined reference to `Foo::~Foo()'
/tmp/test-034a8e.o: In function `main':
test.cc:(.text+0x9c): undefined reference to `Foo::~Foo()'
test.cc:(.text+0xb6): undefined reference to `Foo::~Foo()'
/tmp/test-034a8e.o: In function `FooBar::~FooBar()':
test.cc:(.text._ZN6FooBarD2Ev[_ZN6FooBarD2Ev]+0x11): undefined reference to
`Foo::~Foo()'
clang-3.9: error: linker command failed with exit code 1 (use -v to see
invocation)</pre>
</div>
</p>
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