Hi, all,

Below cannot be compiled with clang 5.0 (SVN r298093) on Visual Studio 2017.

#include <tuple>

using namespace std;

int main()
{
    tuple t{ 1, 3.14 };
}

The error message are as follows:

1>------ Build started: Project: cpptest, Configuration: Debug x64 ------
1>main.cpp(19,8): error : no viable constructor or deduction guide for 
deduction of template arguments of 'tuple'
1>        tuple t{ 1, 3.14 };
1>              ^
1>C:\Program Files (x86)\Microsoft Visual 
Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\utility(88,8):  note: 
candidate function template not viable: requires 0 arguments, but 2 were 
provided
1>        class tuple;
1>              ^
1>C:\Program Files (x86)\Microsoft Visual 
Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\utility(88,8):  note: 
candidate function template not viable: requires 1 argument, but 2 were provided
1>1 error generated.
1>Done building project "cpptest.vcxproj" -- FAILED.
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

I have applied for an account for submitting bugs of clang, but no response 
from the administrators. So I have to send mail to this forum.



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