/* { dg-do run } */ /* { dg-options "-fsanitize=signed-integer-overflow" } */ #define INT_MIN (-__INT_MAX__ - 1) int main () { int x = INT_MIN; int y = 0; int z; __asm__ volatile ("" : "+g" (y)); __asm__ volatile ("" : "+g" (x)); z = y - (-x); __asm__ volatile ("" : "+g" (z)); } /* { dg-output "negation of -2147483648 cannot be represented in type 'int'\[^\n\r]*; cast to an unsigned type to negate this value to itself\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: 0 - -2147483648 cannot be represented in type 'int'" } */