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| // RUN: %clangxx -fsanitize=null -fno-sanitize-recover=null %s -O3 -o %t
// RUN: not %run %t l 2>&1 | FileCheck %s --check-prefix=CHECK-LOAD
// RUN: not %run %t s 2>&1 | FileCheck %s --check-prefix=CHECK-STORE
// RUN: not %run %t r 2>&1 | FileCheck %s --check-prefix=CHECK-REFERENCE
// RUN: not %run %t m 2>&1 | FileCheck %s --check-prefix=CHECK-MEMBER
// RUN: not %run %t f 2>&1 | FileCheck %s --check-prefix=CHECK-MEMFUN
// RUN: not %run %t t 2>&1 | FileCheck %s --check-prefix=CHECK-VCALL
// RUN: not %run %t u 2>&1 | FileCheck %s --check-prefix=CHECK-VCALL2
struct S {
int f() { return 0; }
int k;
};
struct T {
virtual int v() { return 1; }
};
struct U : T {
virtual int v() { return 2; }
};
int main(int, char **argv) {
int *p = 0;
S *s = 0;
T *t = 0;
U *u = 0;
(void)*p; // ok!
(void)*t; // ok!
(void)*u; // ok!
switch (argv[1][0]) {
case 'l':
// CHECK-LOAD: null.cpp:[[@LINE+1]]:12: runtime error: load of null pointer of type 'int'
return *p;
case 's':
// CHECK-STORE: null.cpp:[[@LINE+1]]:5: runtime error: store to null pointer of type 'int'
*p = 1;
break;
case 'r':
// CHECK-REFERENCE: null.cpp:[[@LINE+1]]:15: runtime error: reference binding to null pointer of type 'int'
{int &r = *p;}
break;
case 'm':
// CHECK-MEMBER: null.cpp:[[@LINE+1]]:15: runtime error: member access within null pointer of type 'S'
return s->k;
case 'f':
// CHECK-MEMFUN: null.cpp:[[@LINE+1]]:15: runtime error: member call on null pointer of type 'S'
return s->f();
case 't':
// CHECK-VCALL: null.cpp:[[@LINE+1]]:15: runtime error: member call on null pointer of type 'T'
return t->v();
case 'u':
// CHECK-VCALL2: null.cpp:[[@LINE+1]]:15: runtime error: member call on null pointer of type 'U'
return u->v();
}
}
|