[Bug libstdc++/61658] New: Invalid std::string(size_type, value_type) constructor implementation

[Bug libstdc++/61658] New: Invalid std::string(size_type, value_type) constructor implementation

[d.v.a at ngs dot ru]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61658

            Bug ID: 61658
           Summary: Invalid std::string(size_type, value_type) constructor
                    implementation
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: d.v.a at ngs dot ru

#include<string>
#include<iostream>

int main()
{
    std::string st{1U, '0'};
    std::cout << st.length() << '\n';
    std::cout << st << '\n';
}

Prints:
2
☺0


Must be:
1
0
>From gcc-bugs-return-455333-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Jun 30 12:54:09 2014
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Subject: [Bug libstdc++/61658] Invalid std::string(size_type, value_type) constructor implementation
Date: Mon, 30 Jun 2014 12:54:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?ida658

--- Comment #1 from __vic <d.v.a at ngs dot ru> ---
If replace with:

std::string st(1U, '0');

then prints as expected:
1
0

Why {1U, '0'} is treated as std::initializer_list<char> ?

[Bug libstdc++/61658] Invalid std::string(size_type, value_type) constructor implementation

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61658

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Because the standard says so