/* { dg-do run } */ /* { dg-options "-fsanitize=signed-integer-overflow -Wno-unused-variable" } */ #define INT_MAX __INT_MAX__ #define INT_MIN (-__INT_MAX__ - 1) #define LONG_MAX __LONG_MAX__ #define LONG_MIN (-__LONG_MAX__ - 1L) #define LLONG_MAX __LONG_LONG_MAX__ #define LLONG_MIN (-__LONG_LONG_MAX__ - 1L) int main (void) { volatile int j = INT_MIN; volatile int i = 1; volatile int k = j - i; j--; j = INT_MIN + 100; j -= (1 << 10); j = INT_MIN; i = -1; k = j - -i; i = INT_MIN + 1000; i -= (1 << 20); volatile long int l = LONG_MIN; volatile long int m = 1; volatile long int n = l - m; l--; l = LONG_MIN + 100; l -= (1 << 10); l = LONG_MIN; m = -1; n = l - -m; m = LONG_MIN + 1000; m -= (1 << 20); return 0; } /* { dg-output "signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: -2147483648 \\+ -1 cannot be represented in type 'int'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: -2147483548 \\+ -1024 cannot be represented in type 'int'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: -2147483648 \\+ -1 cannot be represented in type 'int'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: -2147482648 \\+ -1048576 cannot be represented in type 'int'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: -\[^\n\r]* - 1 cannot be represented in type 'long int'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: -\[^\n\r]* \\+ -1 cannot be represented in type 'long int'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: -\[^\n\r]* \\+ -1024 cannot be represented in type 'long int'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: -\[^\n\r]* \\+ -1 cannot be represented in type 'long int'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: -\[^\n\r]* \\+ -1048576 cannot be represented in type 'long int'" } */