1 // RUN: %clang_cc1 -fsyntax-only -Wdangling-field -verify %s
2 
3 struct X {
4   X(int);
5 };
6 struct Y {
7   operator X*();
8   operator X&();
9 };
10 
11 struct S {
12   int &x, *y;  // expected-note {{reference member declared here}} \
13                // expected-note {{pointer member declared here}}
14   S(int i)
15     : x(i),    // expected-warning {{binding reference member 'x' to stack allocated parameter 'i'}}
16       y(&i) {} // expected-warning {{initializing pointer member 'y' with the stack address of parameter 'i'}}
17   S(int &i) : x(i), y(&i) {} // no-warning: reference parameter
18   S(int *i) : x(*i), y(i) {} // no-warning: pointer parameter
19 };
20 
21 struct S2 {
22   const X &x; // expected-note {{reference member declared here}}
23   S2(int i) : x(i) {} // expected-warning {{binding reference member 'x' to a temporary}}
24 };
25 
26 struct S3 {
27   X &x1, *x2;
28   S3(Y y) : x1(y), x2(y) {} // no-warning: conversion operator
29 };
30 
31 template <typename T> struct S4 {
32   T x; // expected-note {{reference member declared here}}
33   S4(int i) : x(i) {} // expected-warning {{binding reference member 'x' to stack allocated parameter 'i'}}
34 };
35 
36 template struct S4<int>; // no warning from this instantiation
37 template struct S4<int&>; // expected-note {{in instantiation}}
38