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gcc_attribute.c revision 1.1 
      1 /*	$NetBSD: gcc_attribute.c,v 1.1 2021/04/30 23:49:36 rillig Exp $	*/
      2 # 3 "gcc_attribute.c"
      3 
      4 /*
      5  * Tests for the various attributes for functions, types, statements that are
      6  * provided by GCC.
      7  *
      8  * https://gcc.gnu.org/onlinedocs/gcc/Attribute-Syntax.html
      9  * https://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html
     10  * https://gcc.gnu.org/onlinedocs/gcc/Variable-Attributes.html
     11  * https://gcc.gnu.org/onlinedocs/gcc/Type-Attributes.html
     12  * https://gcc.gnu.org/onlinedocs/gcc/Enumerator-Attributes.html
     13  * https://gcc.gnu.org/onlinedocs/gcc/Statement-Attributes.html
     14  * https://gcc.gnu.org/onlinedocs/gcc/Label-Attributes.html
     15  */
     16 
     17 void __attribute__((noinline))
     18 do_not_inline(void)
     19 {
     20 }
     21 
     22 /* expect+1: syntax error 'nonnull' */
     23 void __attribute__((nonnull(1, 2)))
     24 my_memcpy(void *dest, const void *src, unsigned long len);
     25 
     26 /* expect+1: syntax error 'unknown_attribute' */
     27 void __attribute__((unknown_attribute))
     28 function_with_unknown_attribute(void);
     29