File: cxx17-exception-spec.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (34 lines) | stat: -rw-r--r-- 1,008 bytes parent folder | download | duplicates (27) 
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
 
// RUN: %clang_cc1 -fmodules -fmodules-local-submodule-visibility -fno-modules-error-recovery -fno-spell-checking -verify -std=c++17 %s

#pragma clang module build a
module a {}
#pragma clang module contents
#pragma clang module begin a
constexpr bool return_true() { return true; }
struct X {
  static void f() noexcept(return_true());
};
#pragma clang module end
#pragma clang module endbuild

#pragma clang module build b
module b {}
#pragma clang module contents
#pragma clang module begin b
#pragma clang module import a
using T = decltype(return_true() && noexcept(X::f()));
#pragma clang module end
#pragma clang module endbuild

#pragma clang module import a
#pragma clang module import b

// Trigger import of return_true and then X::f in the same pass. This causes
// the type of X::f to be loaded while we have a pending body for return_true,
// which means evaluation of its exception specification at that point would
// fail.
T t;

static_assert(noexcept(X().f()));

// expected-no-diagnostics