File: subst-func-type-invalid-ret-type.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 (16 lines) | stat: -rw-r--r-- 529 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
// RUN: %clang -fsyntax-only -std=c++17 %s -Xclang -verify

// The important part is that we do not crash.

template<typename T> T declval();

template <typename T>
auto Call(T x) -> decltype(declval<T>()(0)) {} // expected-note{{candidate template ignored}}

class Status {};

void fun() {
  // The Status() (instead of Status) here used to cause a crash.
  Call([](auto x) -> Status() {}); // expected-error{{function cannot return function type 'Status ()}}
  // expected-error@-1{{no matching function for call to 'Call'}}
}