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/* PR middle-end/98166: bogus -Wmismatched-dealloc on user-defined allocator
and inlining
{ dg-do compile }
{ dg-options "-O2 -Wall" } */
void dealloc_shrt (short *p)
{
/* A positive offset would be diagnosed but a negative one must
not be. */
__builtin_free (p - 1); // { dg-bogus "-Wmismatched-dealloc" }
}
__attribute__ ((malloc (dealloc_shrt)))
short* alloc_shrt (int n) /* { return malloc (n) + 1; } */;
void test_nowarn_shrt (int n)
{
short *p = alloc_shrt (n);
dealloc_shrt (p);
}
void dealloc_int (int *p) /* { free (p - 1); } */;
__attribute__ ((malloc (dealloc_int, 1)))
int* alloc_int (int n)
{
return (int*)__builtin_malloc (n) + 1;
}
void test_nowarn_int (int n)
{
int *p = alloc_int (n);
dealloc_int (p); // { dg-bogus "-Wmismatched-dealloc" }
}
void dealloc_long (int, long *p) /* { free (p - 2); } */;
__attribute__ ((malloc (dealloc_long, 2)))
inline long*
alloc_long (int n) { // { dg-warning "'malloc \\(\[^\n\r\]*dealloc_long\[^\n\r\]*\\)' attribute ignored on functions declared 'inline'" }
return (long*)__builtin_malloc (n) + 2;
}
void test_nowarn_long (int n)
{
long *p = alloc_long (n);
dealloc_long (0, p); // { dg-bogus "\\\[-Wmismatched-dealloc" }
}
inline void
dealloc_float (int, int, float *p) // { dg-message "deallocation function declared here" }
{
__builtin_free (p - 3);
}
__attribute__ ((malloc (dealloc_float, 3)))
float* alloc_float (int n); // { dg-warning "'malloc \\(\[^\n\r\]*dealloc_float\[^\n\r\]*\\)' attribute ignored with deallocation functions declared 'inline'" }
void test_nowarn_float (int n)
{
float *p = alloc_float (n);
dealloc_float (0, 1, p); // { dg-bogus "\\\[-Wmismatched-dealloc" }
}
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