clang/test/Sema/attr-nonblocking-sema.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c89 %s
   2
   3 // Tests for a few cases involving C functions without prototypes.
   4
   5 void noproto() __attribute__((nonblocking)) // expected-error {{'nonblocking' function must have a prototype}}
   6 {
   7 }
   8
   9 // This will succeed
  10 void noproto(void) __attribute__((blocking));
  11
  12 // A redeclaration isn't any different - a prototype is required.
  13 void f1(void);
  14 void f1() __attribute__((nonblocking)); // expected-error {{'nonblocking' function must have a prototype}}