prog.cpp: In function 'int m()':
prog.cpp:14:11: warning: deducing 'T' as 'std::initializer_list<int>'
prog.cpp:6:6: warning: in call to 'void g(T&&) [with T = std::initializer_list<int>]'
prog.cpp:14:11: warning: (you can disable this with -fno-deduce-init-list)
prog.cpp: In function 'void g(T&&) [with T = std::initializer_list<int>]':
prog.cpp:14:11: instantiated from here
prog.cpp:8:3: error: conversion from 'std::initializer_list<int>' to non-scalar type 'std::vector<double>' requested