Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/builtins-13.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* Copyright (C) 2003 Free Software Foundation. Verify that the malloc-like __builtin_ allocation functions are correctly aliased by the compiler. Written by Roger Sayle, 12th April 2003. */ /* { dg-do link } */ /* { dg-options "-ansi" } */ typedef __SIZE_TYPE__ size_t; extern void abort (void); extern void *malloc (size_t); extern void *calloc (size_t,size_t); extern void link_error (void); static int x; void test1(void) { int *ptr1, *ptr2; ptr1 = &x; ptr2 = (int*) malloc (sizeof (int)); *ptr1 = 12; *ptr2 = 8; if (*ptr1 != 12) link_error(); } void test2(void) { int *ptr1, *ptr2; ptr1 = &x; ptr2 = (int*) calloc (1, sizeof (int)); *ptr1 = 12; *ptr2 = 8; if (*ptr1 != 12) link_error (); } int main() { test1 (); test2 (); return 0; } #ifndef __OPTIMIZE__ void link_error (void) { abort (); } #endif