File: initlist5.C

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (35 lines) | stat: -rw-r--r-- 914 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
// Test for narrowing diagnostics
// { dg-do compile { target c++11 } }

#include <initializer_list>

struct A { int i; int j; };
A a2 { 1.2 }; // { dg-error "narrowing" }
A a1 { 1, 2 }; // aggregate initialization 
struct B {
  B(std::initializer_list<int>);
};
B b1 { 1, 2 }; // creates initializer_list<int> and calls constructor
B b2 { 1, 2.0 }; // { dg-error "narrowing" }
struct C {
  C(int i, double j);
};
C c1 = { 1, 2.2 }; // calls constructor with arguments (1, 2.2) 
C c2 = { 1.1, 2 }; // { dg-error "narrowing" }

int j { 1 }; // initialize to 1
int k {}; // initialize to 0

// PR c++/36963
double d = 1.1;
float fa[] = { d, 1.1 };      // { dg-error "narrowing conversion of 'd'" }
constexpr double d2 = 1.1;
float fa2[] = { d2, 1.1 };

// PR c++/49577
unsigned u{ -1 };		// { dg-error "narrowing" }
char c = char{ u };		// { dg-error "narrowing" }

// PR c++/50011
short unsigned su;
int i { su };