expression. Implement C++11 [expr.prim.lambda]p12's requirement that capturing a variable will odr-use it. llvm-svn: 150237
49 lines
1004 B
C++
49 lines
1004 B
C++
// RUN: %clang_cc1 -std=c++11 %s -Wunused -verify
|
|
|
|
void odr_used() {
|
|
int i = 17;
|
|
[i]{}();
|
|
}
|
|
|
|
struct ReachingThis {
|
|
static void static_foo() {
|
|
(void)[this](){}; // expected-error{{'this' cannot be captured in this context}}
|
|
|
|
struct Local {
|
|
int i;
|
|
|
|
void bar() {
|
|
(void)[this](){};
|
|
(void)[&](){i = 7; };
|
|
}
|
|
};
|
|
}
|
|
|
|
void foo() {
|
|
(void)[this](){};
|
|
|
|
struct Local {
|
|
int i;
|
|
|
|
static void static_bar() {
|
|
(void)[this](){}; // expected-error{{'this' cannot be captured in this context}}
|
|
(void)[&](){i = 7; }; // expected-error{{invalid use of nonstatic data member 'i'}}
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
void immediately_enclosing(int i) { // expected-note{{'i' declared here}}
|
|
[i]() {
|
|
[i] {}();
|
|
}();
|
|
|
|
[=]() {
|
|
[i] {}();
|
|
}();
|
|
|
|
[]() { // expected-note{{lambda expression begins here}}
|
|
[i] {}(); // expected-error{{variable 'i' cannot be implicitly captured in a lambda with no capture-default specified}}
|
|
}();
|
|
}
|