diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/ubsan/overflow-add-2.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/c-c++-common/ubsan/overflow-add-2.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/overflow-add-2.c b/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/overflow-add-2.c new file mode 100644 index 000000000..85499d86c --- /dev/null +++ b/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/overflow-add-2.c @@ -0,0 +1,60 @@ +/* { 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_MAX; + volatile int i = 1; + volatile int k = j + i; + k = i + j; + j++; + j = INT_MAX - 100; + j += (1 << 10); + + j = INT_MIN; + i = -1; + k = i + j; + k = j + i; + j = INT_MIN + 100; + j += -(1 << 10); + + volatile long int m = LONG_MAX; + volatile long int n = 1; + volatile long int o = m + n; + o = n + m; + m++; + m = LONG_MAX - 100; + m += (1 << 10); + + m = LONG_MIN; + n = -1; + o = m + n; + o = n + m; + m = LONG_MIN + 100; + m += -(1 << 10); + + return 0; +} + +/* { dg-output "signed integer overflow: 2147483647 \\+ 1 cannot be represented in type 'int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*signed integer overflow: 1 \\+ 2147483647 cannot be represented in type 'int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*signed integer overflow: 2147483647 \\+ 1 cannot be represented in type 'int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*signed integer overflow: 2147483547 \\+ 1024 cannot be represented in type 'int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*signed integer overflow: -1 \\+ -2147483648 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: \[^\n\r]* \\+ 1 cannot be represented in type 'long int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*signed integer overflow: 1 \\+ \[^\n\r]* 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: -1 \\+ -\[^\n\r]* 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'" } */ |