File: coroutine-vla.cpp

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (35 lines) | stat: -rw-r--r-- 831 bytes parent folder | download | duplicates (20) 
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
 
// RUN: %clang_cc1 %s -std=c++20 -fsyntax-only -Wno-vla-cxx-extension -verify
#include "Inputs/std-coroutine.h"

struct promise;

struct coroutine : std::coroutine_handle<promise> {
  using promise_type = ::promise;
};

struct promise
{
    coroutine get_return_object();
    std::suspend_always initial_suspend() noexcept;
    std::suspend_always final_suspend() noexcept;
    void return_void();
    void unhandled_exception();
};

// Test that we won't report the error incorrectly.
void bar(int n) {
  int array[n];
  return;
}

coroutine foo(int n) {
  int array[n]; // expected-error {{variable length arrays in a coroutine are not supported}}
  co_return;
}

void lambda() {
  [](int n) -> coroutine {
    int array[n]; // expected-error {{variable length arrays in a coroutine are not supported}}
    co_return;
  }(10);
}