File: pragma-visibility.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (30 lines) | stat: -rw-r--r-- 1,152 bytes parent folder | download | duplicates (29)
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
// RUN: %clang_cc1 -fsyntax-only -verify %s

namespace test1 __attribute__((visibility("hidden"))) { // expected-note{{surrounding namespace with visibility attribute starts here}}
#pragma GCC visibility pop // expected-error{{#pragma visibility pop with no matching #pragma visibility push}}
}

// GCC 4.6 accepts this, but the "hidden" leaks past the namespace end.
namespace test2 __attribute__((visibility("hidden"))) {
#pragma GCC visibility push(protected) // expected-error{{#pragma visibility push with no matching #pragma visibility pop}}
} // expected-note{{surrounding namespace with visibility attribute ends here}}

#pragma GCC visibility pop // expected-error{{#pragma visibility pop with no matching #pragma visibility push}}

// <rdar://problem/10871094>
struct A {
  #pragma GCC visibility push(protected)
  #pragma GCC visibility pop
};

void f() {
  #pragma GCC visibility push(protected)
  #pragma GCC visibility pop
}

namespace pr13662 {
#pragma GCC visibility push(hidden)
  template<class T> class __attribute__((__visibility__("default"))) foo;
  class bar { template<class T> friend class foo; };
#pragma GCC visibility pop
}