diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/ubsan/shift-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/c-c++-common/ubsan/shift-1.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/shift-1.c b/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/shift-1.c new file mode 100644 index 000000000..d2538802a --- /dev/null +++ b/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/shift-1.c @@ -0,0 +1,31 @@ +/* { dg-do run } */ +/* { dg-options "-fsanitize=shift -w" } */ + +typedef const unsigned long long int CULLI; +typedef volatile int VI; +struct s { signed long int a; }; + +int +main (void) +{ + int a = 1; + struct s s = { .a = 400 }; + CULLI culli = 42; + VI vi = 370; + volatile int shiftcount = 153; + + a <<= 152; + 1 << shiftcount; + 1 << 154; + culli << 524; + 1 << vi++; + (long) 1 << (s.a + 2); + + return 0; +} +/* { dg-output "shift exponent 152 is too large for \[^\n\r]*-bit type 'int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*shift exponent 153 is too large for \[^\n\r]*-bit type 'int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*shift exponent 154 is too large for \[^\n\r]*-bit type 'int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*shift exponent 524 is too large for \[^\n\r]*-bit type 'long long unsigned int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*shift exponent 370 is too large for \[^\n\r]*-bit type 'int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*shift exponent 402 is too large for \[^\n\r]*-bit type 'long int'" } */ |