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Diffstat (limited to 'gcc/testsuite/gcc.dg/builtins-13.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/builtins-13.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/builtins-13.c b/gcc/testsuite/gcc.dg/builtins-13.c new file mode 100644 index 00000000000..befcd3447ad --- /dev/null +++ b/gcc/testsuite/gcc.dg/builtins-13.c @@ -0,0 +1,61 @@ +/* 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 } */ + +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 + |