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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Definition of destructor of vector not generated"
href="https://bugs.llvm.org/show_bug.cgi?id=39642">39642</a>
</td>
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<tr>
<th>Summary</th>
<td>Definition of destructor of vector not generated
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<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>C++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hiraditya@msn.com
</td>
</tr>
<tr>
<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>$ cat test.cpp
#include <memory>
#include <vector>
struct CtorMayThrow {
CtorMayThrow();
~CtorMayThrow();
};
struct IHaveVector {
std::vector<CtorMayThrow> v;
CtorMayThrow o;
};
IHaveVector f() {
return {
.v = {
{},
{},
},
.o = {},
};
}
$ clang++ -S -Oz -o - | grep
'__ZNSt3__16vectorI12CtorMayThrowNS_9allocatorIS1_EEED1Ev'
callq __ZNSt3__16vectorI12CtorMayThrowNS_9allocatorIS1_EEED1Ev
There is a call to "std::__1::vector<CtorMayThrow,
std::__1::allocator<CtorMayThrow> >::~vector()" but no definition. However
there is a definition of the destructor of vector_base
$ grep vector_base test.emptydestr.s
callq
__ZNSt3__113__vector_baseI12CtorMayThrowNS_9allocatorIS1_EEED2Ev
callq __ZNKSt3__120__vector_base_commonILb1EE20__throw_length_errorEv
.globl
__ZNSt3__113__vector_baseI12CtorMayThrowNS_9allocatorIS1_EEED2Ev
.weak_def_can_be_hidden
__ZNSt3__113__vector_baseI12CtorMayThrowNS_9allocatorIS1_EEED2Ev
__ZNSt3__113__vector_baseI12CtorMayThrowNS_9allocatorIS1_EEED2Ev:</pre>
</div>
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