blob: 8939a28d75e1aa5162cd5a54bfdd52e2f8da8b4d [file] [log] [blame]
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -verify %s
static int test0 __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
static void test1() __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
namespace test2 __attribute__((weak)) { // expected-warning {{'weak' attribute only applies to variables and functions}}
}
namespace {
int test3 __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
void test4() __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
}
struct Test5 {
static void test5() __attribute__((weak)); // no error
};
namespace {
struct Test6 {
static void test6() __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
};
}
// GCC rejects the instantiation with the internal type, but some existing
// code expects it. It is also not that different from giving hidden visibility
// to parts of a template that have explicit default visibility, so we accept
// this.
template <class T> struct Test7 {
void test7() __attribute__((weak)) {}
static int var __attribute__((weak));
};
template <class T>
int Test7<T>::var;
namespace { class Internal; }
template struct Test7<Internal>;
template struct Test7<int>;