1// Test for narrowing diagnostics 2// { dg-do compile { target c++11 } } 3 4#include <initializer_list> 5 6struct A { int i; int j; }; 7A a2 { 1.2 }; // { dg-error "narrowing" } 8A a1 { 1, 2 }; // aggregate initialization 9struct B { 10 B(std::initializer_list<int>); 11}; 12B b1 { 1, 2 }; // creates initializer_list<int> and calls constructor 13B b2 { 1, 2.0 }; // { dg-error "narrowing" } 14struct C { 15 C(int i, double j); 16}; 17C c1 = { 1, 2.2 }; // calls constructor with arguments (1, 2.2) 18C c2 = { 1.1, 2 }; // { dg-error "narrowing" } 19 20int j { 1 }; // initialize to 1 21int k {}; // initialize to 0 22 23// PR c++/36963 24double d = 1.1; 25float fa[] = { d, 1.1 }; // { dg-error "narrowing conversion of 'd'" } 26constexpr double d2 = 1.1; 27float fa2[] = { d2, 1.1 }; 28 29// PR c++/49577 30unsigned u{ -1 }; // { dg-error "narrowing" } 31char c = char{ u }; // { dg-error "narrowing" } 32 33// PR c++/50011 34short unsigned su; 35int i { su }; 36