Files
clang-p2996/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p2-generic-lambda-1y.cpp
Nathan James cb559c8d5e [Sema] Add some basic lambda capture fix-its
Adds fix-its when users forget to explicitly capture variables or this in lambdas

Addresses https://github.com/clangd/clangd/issues/697

Reviewed By: kbobyrev

Differential Revision: https://reviews.llvm.org/D96975
2021-03-11 13:46:25 +00:00

28 lines
1.4 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++1y -DCXX1Y
// prvalue
void prvalue() {
auto&& x = [](auto a)->void { };
auto& y = [](auto *a)->void { }; // expected-error{{cannot bind to a temporary of type}}
}
namespace std {
class type_info;
}
struct P {
virtual ~P();
};
void unevaluated_operand(P &p, int i) { //expected-note{{declared here}}
// FIXME: this should only emit one error.
int i2 = sizeof([](auto a, auto b)->void{}(3, '4')); // expected-error{{lambda expression in an unevaluated operand}} \
// expected-error{{invalid application of 'sizeof'}}
const std::type_info &ti1 = typeid([](auto &a) -> P& { static P p; return p; }(i)); // expected-warning {{expression with side effects will be evaluated despite being used as an operand to 'typeid'}}
const std::type_info &ti2 = typeid([](auto) -> int { return i; }(i)); // expected-error{{lambda expression in an unevaluated operand}}\
// expected-error{{cannot be implicitly captured}}\
// expected-note{{begins here}}\
// expected-note 2 {{capture 'i' by}}\
// expected-note 2 {{default capture by}}
}