Thank you! 2015-03-30 23:32 GMT+02:00 Jeff Epler <jepler@xxxxxxxxxxxxxx>: > gcc treats functions like malloc and memset as builtin functions. > malloc + memset in this fashion is equivalent to calloc, and so gcc > transforms the function's body appropriately. > > Use -fno-builtin or -fno-builtin-FUNCTION to inhibit this optimization. > > It is a known limitation of gcc that -fno-builtin cannot be applied via > function attributes or pragmas. > > Jeff
