/* PR 81908 - FAIL: gfortran.dg/alloc_comp_auto_array_2.f90 -O3 -g -m32 { dg-do compile } { dg-options "-O2 -Wall" } */ #define SIZE_MAX __SIZE_MAX__ typedef __SIZE_TYPE__ size_t; void f0 (char *d, const char *s, size_t n) { if (n > 0 && n <= SIZE_MAX / 2 - 1) n = 0; __builtin_memcpy (d, s, n); } void f1 (char *d, const char *s, size_t n) { if (n > 0 && n <= SIZE_MAX / 2) n = 0; __builtin_memcpy (d, s, n); /* { dg-bogus "\\\[-Wstringop-overflow=]" } */ } void f2 (char *d, const char *s, size_t n) { if (n > 0 && n <= SIZE_MAX / 2 + 1) n = 0; __builtin_memcpy (d, s, n); } void f3 (char *d, const char *s, size_t n) { if (n > 0 && n <= SIZE_MAX - 1) n = 0; __builtin_memcpy (d, s, n); /* { dg-bogus "\\\[-Wstringop-overflow=]" } */ } void f4 (char *d, const char *s, size_t n) { if (n > 0 && n <= SIZE_MAX) n = 0; __builtin_memcpy (d, s, n); }