Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

29 lines
1.2 KiB
C

// RUN: %clang_cc1 -verify -fsyntax-only %s
// RUN: %clang_cc1 -emit-llvm -o %t %s
#include <stddef.h>
// Declare malloc here explicitly so we don't depend on system headers.
void * malloc(size_t) __attribute((malloc));
int no_vars __attribute((malloc)); // expected-warning {{functions returning a pointer type}}
void returns_void (void) __attribute((malloc)); // expected-warning {{functions returning a pointer type}}
int returns_int (void) __attribute((malloc)); // expected-warning {{functions returning a pointer type}}
int * returns_intptr(void) __attribute((malloc)); // no-warning
typedef int * iptr;
iptr returns_iptr (void) __attribute((malloc)); // no-warning
__attribute((malloc)) void *(*f)(); // expected-warning{{'malloc' attribute only applies to functions returning a pointer type}}
__attribute((malloc)) int (*g)(); // expected-warning{{'malloc' attribute only applies to functions returning a pointer type}}
__attribute((malloc))
void * xalloc(unsigned n) { return malloc(n); } // no-warning
// RUN: grep 'define noalias .* @xalloc(' %t
#define malloc_like __attribute((__malloc__))
void * xalloc2(unsigned) malloc_like;
void * xalloc2(unsigned n) { return malloc(n); }
// RUN: grep 'define noalias .* @xalloc2(' %t