/* PR middle-end/82063 - issues with arguments enabled by -Wall { dg-do compile } { dg-options "-O -Walloc-size-larger-than=1GB -ftrack-macro-expansion=0" } */ void sink (void*); #define T(x) sink (x) void f (void) { __SIZE_TYPE__ n = 0; T (__builtin_malloc (n)); n = 1000 * 1000 * 1000; /* 1 gigabyte (GB) */ T (__builtin_malloc (n)); n += 1; T (__builtin_malloc (n)); /* { dg-warning "argument 1 value .1000000001. exceeds maximum object size 1000000000" } */ 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" } */ }