File: chain-default-argument-instantiation.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb11u2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,634,820 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (50 lines) | stat: -rw-r--r-- 1,359 bytes parent folder | download | duplicates (37)
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
41
42
43
44
45
46
47
48
49
50
// Test default argument instantiation in chained PCH.

// Without PCH
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -include %s -include %s %s

// With PCH
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s -chain-include %s -chain-include %s

// With modules
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -fmodules %s -chain-include %s -chain-include %s

// expected-no-diagnostics

#ifndef HEADER1
#define HEADER1
//===----------------------------------------------------------------------===//
// Primary header.

namespace rdar23810407 {
  template<typename T> int f(T t) {
    extern T rdar23810407_variable;
    return 0;
  }
  template<typename T> int g(int a = f([] {}));
}

//===----------------------------------------------------------------------===//
#elif not defined(HEADER2)
#define HEADER2
#if !defined(HEADER1)
#error Header inclusion order messed up
#endif

//===----------------------------------------------------------------------===//
// Dependent header.

inline void instantiate_once() {
  rdar23810407::g<int>();
}

//===----------------------------------------------------------------------===//
#else
//===----------------------------------------------------------------------===//

void test() {
  rdar23810407::g<int>();
}

//===----------------------------------------------------------------------===//
#endif