/* PR middle-end/82063 - issues with arguments enabled by -Wall { dg-do compile { target lp64 } } { dg-options "-O -Walloc-size-larger-than=1TiB -ftrack-macro-expansion=0" } */ typedef __SIZE_TYPE__ size_t; void sink (void*); #define T(x) sink (x) void f (void) { size_t n = 0; T (__builtin_malloc (n)); n = (size_t)1024 * 1024 * 1024 * 1024; /* 1 tebibyte (TiB) */ T (__builtin_malloc (n)); n += 1; T (__builtin_malloc (n)); /* { dg-warning "argument 1 value .1099511627777. exceeds maximum object size 1099511627776" } */ n = __PTRDIFF_MAX__; T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */ n = __SIZE_MAX__; T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */ }