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| // RUN: %clang_cc1 -fsyntax-only -Wdangling-field -verify -std=c++11 %s
struct X {
X(int);
};
struct Y {
operator X*();
operator X&();
};
struct S {
int &x, *y; // expected-note {{reference member declared here}} \
// expected-note {{pointer member declared here}}
S(int i)
: x(i), // expected-warning {{binding reference member 'x' to stack allocated parameter 'i'}}
y(&i) {} // expected-warning {{initializing pointer member 'y' with the stack address of parameter 'i'}}
S(int &i) : x(i), y(&i) {} // no-warning: reference parameter
S(int *i) : x(*i), y(i) {} // no-warning: pointer parameter
};
struct S2 {
const X &x; // expected-note {{reference member declared here}}
S2(int i) : x(i) {} // expected-error {{member 'x' binds to a temporary}}
};
struct S3 {
X &x1, *x2;
S3(Y y) : x1(y), x2(y) {} // no-warning: conversion operator
};
template <typename T> struct S4 {
T x; // expected-note {{reference member declared here}}
S4(int i) : x(i) {} // expected-warning {{binding reference member 'x' to stack allocated parameter 'i'}}
};
template struct S4<int>; // no warning from this instantiation
template struct S4<int&>; // expected-note {{in instantiation}}
struct S5 {
const X &x; // expected-note {{here}}
};
S5 s5 = { 0 }; // ok, lifetime-extended
struct S6 {
S5 s5; // expected-note {{here}}
S6() : s5 { 0 } {} // expected-error {{reference subobject of member 's5' binds to a temporary}}
};
struct S7 : S5 {
S7() : S5 { 0 } {} // expected-error {{reference member 'x' binds to a temporary}}
};
struct S8 {
int *p;
S8(int *a) : p(&a[0]) {}
};
|