forked from OSchip/llvm-project
26 lines
612 B
C++
26 lines
612 B
C++
// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
|
|
// RUN: %clangxx_msan -O3 -g %s -o %t && %run %t
|
|
|
|
#include <assert.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <sanitizer/msan_interface.h>
|
|
|
|
int main(void) {
|
|
char *p = (char *)alloca(16);
|
|
assert(0 == __msan_test_shadow(p, 16));
|
|
assert(0 == __msan_test_shadow(p + 15, 1));
|
|
|
|
memset(p, 0, 16);
|
|
assert(-1 == __msan_test_shadow(p, 16));
|
|
|
|
volatile int x = 0;
|
|
char * volatile q = (char *)alloca(42 * x);
|
|
assert(-1 == __msan_test_shadow(p, 16));
|
|
|
|
int r[x];
|
|
int *volatile r2 = r;
|
|
assert(-1 == __msan_test_shadow(p, 16));
|
|
}
|