/* PR middle-end/98166: bogus -Wmismatched-dealloc on user-defined allocator and inlining Verify that without inlining, both the allocator and the deallocator can be declared inline without a warning and that mismatched calls are detected, but that declaring them always_inline does trigger a warning. { dg-do compile } { dg-options "-Wall" } */ __attribute__ ((malloc (__builtin_free))) inline int* alloc_int (int n) { return (int*)__builtin_malloc (n + sizeof (int)); } void test_nowarn_int (int n) { { int *p = alloc_int (n); __builtin_free (p); } { int *p = alloc_int (n); __builtin_free (p + 1); // { dg-warning "'(__builtin_free|void __builtin_free\\(void\\*\\))' called on pointer '(p|)' with nonzero offset" } } } inline void dealloc_long (long *p) { __builtin_free (p); } __attribute__ ((malloc (dealloc_long))) long* alloc_long (int); void test_nowarn_long (int n) { { long *p = alloc_long (n); dealloc_long (p); } { long *p = alloc_long (n); dealloc_long (p + 1); // { dg-warning "'(dealloc_long|void dealloc_long\\(long int\\*\\))' called on pointer '(p|)' with nonzero offset" } } } inline __attribute__ ((always_inline)) void dealloc_float (float *p) // { dg-message "deallocation function declared here" } { __builtin_free (p); // { dg-warning "'(__builtin_free|void __builtin_free\\(void\\*\\))' called on pointer '(p|)' with nonzero offset" } } __attribute__ ((malloc (dealloc_float))) float* alloc_float (int); // { dg-warning "'malloc \\(dealloc_float\\)' attribute ignored with deallocation functions declared 'inline'" } void test_nowarn_float (int n) { { float *p = alloc_float (n); dealloc_float (p); } { float *p = alloc_float (n); dealloc_float (p + 2); } }