Chandler Carruth | bf3380a | 2011-09-03 02:21:57 +0000 | [diff] [blame] | 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}} |