File: late-parsing-eager-instantiation.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (40 lines) | stat: -rw-r--r-- 1,175 bytes parent folder | download | duplicates (17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
// RUN: %clang_cc1 -std=c++14 -verify %s

// pr33561
class ArrayBuffer;
template <typename T> class Trans_NS_WTF_RefPtr {
public:
  ArrayBuffer *operator->() { return nullptr; }
};
Trans_NS_WTF_RefPtr<ArrayBuffer> get();
template <typename _Visitor>
constexpr void visit(_Visitor __visitor) {
  __visitor(get()); // expected-note {{in instantiation}}
}
class ArrayBuffer {
  char data() {
    visit([](auto buffer) -> char { // expected-note {{in instantiation}}
      buffer->data();
    }); // expected-warning {{non-void lambda does not return a value}}
  } // expected-warning {{non-void function does not return a value}}
};

// pr34185
template <typename Promise> struct coroutine_handle {
  Promise &promise() const { return
    *static_cast<Promise *>(nullptr); // expected-warning {{binding dereferenced null}}
  }
};

template <typename Promise> auto GetCurrenPromise() {
  struct Awaiter { // expected-note {{in instantiation}}
    void await_suspend(coroutine_handle<Promise> h) {
      h.promise(); // expected-note {{in instantiation}}
    }
  };
  return Awaiter{};
}

void foo() {
  auto &&p = GetCurrenPromise<int>(); // expected-note {{in instantiation}}
}