Public bug reported:
In clang 3.3-5ubuntu4, I compiled attached source, and failed to compile.
Clang failed to solve an overloaded constructor in a lambda function which
captures variables by copy.
Error messages are as follow:
test.cc:12:24: error: no matching constructor for initialization of
'std::vector<int>'
[=] { return sum(std::vector<int>(a.begin(), middle)); });
^ ~~~~~~~~~~~~~~~~~
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:269:7:
note: candidate constructor not viable: no known conversion from
'const_iterator' (aka '__normal_iterator<const_pointer, std::vector<int,
std::allocator<int> > >') to 'size_type' (aka 'unsigned long') for 1st
argument
vector(size_type __n, const allocator_type& __a = allocator_type())
^
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:281:7:
note: candidate constructor not viable: no known conversion from
'const_iterator' (aka '__normal_iterator<const_pointer, std::vector<int,
std::allocator<int> > >') to 'size_type' (aka 'unsigned long') for 1st
argument
vector(size_type __n, const value_type& __value,
^
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:331:7:
note: candidate constructor not viable: no known conversion from
'const_iterator' (aka '__normal_iterator<const_pointer, std::vector<int,
std::allocator<int> > >') to
'const std::vector<int, std::allocator<int> >' for 1st argument
vector(const vector& __x, const allocator_type& __a)
^
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:340:7:
note: candidate constructor not viable: no known conversion from
'const_iterator' (aka '__normal_iterator<const_pointer, std::vector<int,
std::allocator<int> > >') to 'std::vector<int, std::allocator<int> >'
for 1st argument
vector(vector&& __rv, const allocator_type& __m)
^
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:364:7:
note: candidate constructor not viable: no known conversion from
'const_iterator' (aka '__normal_iterator<const_pointer, std::vector<int,
std::allocator<int> > >') to 'initializer_list<value_type>' for 1st
argument
vector(initializer_list<value_type> __l,
^
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:392:9:
note: candidate template ignored: deduced conflicting types for
parameter '_InputIterator' ('__normal_iterator<const int *, [...]>' vs.
'__normal_iterator<int *, [...]>')
vector(_InputIterator __first, _InputIterator __last,
^
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:248:7:
note: candidate constructor not viable: requires 0 arguments,
but 2 were provided
vector()
^
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:256:7:
note: candidate constructor not viable: requires single argument
'__a', but 2 arguments were provided
vector(const allocator_type& __a)
^
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:310:7:
note: candidate constructor not viable: requires single argument
'__x', but 2 arguments were provided
vector(const vector& __x)
^
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:327:7:
note: candidate constructor not viable: requires single argument
'__x', but 2 arguments were provided
vector(vector&& __x) noexcept
^
1 error generated.
** Affects: clang (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "source"
https://bugs.launchpad.net/bugs/1283710/+attachment/3992700/+files/test.cc
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https://bugs.launchpad.net/bugs/1283710
Title:
Failed to solve an overloaded constructor in a lambda function
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