File: has_unique_object_reps_member_ptr.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 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 (32 lines) | stat: -rw-r--r-- 902 bytes parent folder | download | duplicates (30) 
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
 
// RUN: %clang_cc1 -triple x86_64-linux-pc -DIS64 -fsyntax-only -verify -std=c++17 %s 
// RUN: %clang_cc1 -triple x86_64-windows-pc -DIS64 -fsyntax-only -verify -std=c++17 %s
// RUN: %clang_cc1 -triple i386-linux-pc -fsyntax-only -verify -std=c++17 %s
// RUN: %clang_cc1 -triple i386-windows-pc -DW32 -fsyntax-only -verify -std=c++17 %s
// expected-no-diagnostics

struct Base {};
struct A : virtual Base {
  virtual void n() {}
};

auto p = &A::n;
static_assert(__has_unique_object_representations(decltype(p)));

struct B {
  decltype(p) x;
  int b;
#ifdef IS64
  // required on 64 bit to fill out the tail padding.
  int c;
#endif
};
static_assert(__has_unique_object_representations(B));

struct C { // has padding on Win32, but nothing else.
  decltype(p) x;
};
#ifdef W32
static_assert(!__has_unique_object_representations(C));
#else
static_assert(__has_unique_object_representations(C));
#endif