clang/test/Sema/constructor-attribute.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-strict-prototypes %s
   2
   3 int x __attribute__((constructor)); // expected-warning {{'constructor' attribute only applies to functions}}
   4 int f(void) __attribute__((constructor));
   5 int f(void) __attribute__((constructor(1)));
   6 int f(void) __attribute__((constructor(1,2))); // expected-error {{'constructor' attribute takes no more than 1 argument}}
   7 int f(void) __attribute__((constructor(1.0))); // expected-error {{'constructor' attribute requires an integer constant}}
   8 int f(void) __attribute__((constructor(0x100000000))); // expected-error {{integer constant expression evaluates to value 4294967296 that cannot be represented in a 32-bit unsigned integer type}}
   9
  10 int x __attribute__((destructor)); // expected-warning {{'destructor' attribute only applies to functions}}
  11 int f(void) __attribute__((destructor));
  12 int f(void) __attribute__((destructor(1)));
  13 int f(void) __attribute__((destructor(1,2))); // expected-error {{'destructor' attribute takes no more than 1 argument}}
  14 int f(void) __attribute__((destructor(1.0))); // expected-error {{'destructor' attribute requires an integer constant}}
  15
  16 void knr() __attribute__((constructor));