1*673dc3d4SNico Weber // RUN: %clangxx_asan -O2 %s -o %t
2*673dc3d4SNico Weber // RUN: not %run %t -2 2>&1 | FileCheck --check-prefix=CHECK-m2 %s
3*673dc3d4SNico Weber // RUN: not %run %t -1 2>&1 | FileCheck --check-prefix=CHECK-m1 %s
4*673dc3d4SNico Weber // RUN: %run %t 0
5*673dc3d4SNico Weber // RUN: %run %t 8
6*673dc3d4SNico Weber // RUN: not %run %t 9 2>&1 | FileCheck --check-prefix=CHECK-9 %s
7*673dc3d4SNico Weber // RUN: not %run %t 10 2>&1 | FileCheck --check-prefix=CHECK-10 %s
8*673dc3d4SNico Weber // RUN: not %run %t 30 2>&1 | FileCheck --check-prefix=CHECK-30 %s
9*673dc3d4SNico Weber // RUN: not %run %t 31 2>&1 | FileCheck --check-prefix=CHECK-31 %s
10*673dc3d4SNico Weber // RUN: not %run %t 41 2>&1 | FileCheck --check-prefix=CHECK-41 %s
11*673dc3d4SNico Weber // RUN: not %run %t 42 2>&1 | FileCheck --check-prefix=CHECK-42 %s
12*673dc3d4SNico Weber // RUN: not %run %t 62 2>&1 | FileCheck --check-prefix=CHECK-62 %s
13*673dc3d4SNico Weber // RUN: not %run %t 63 2>&1 | FileCheck --check-prefix=CHECK-63 %s
14*673dc3d4SNico Weber // RUN: not %run %t 73 2>&1 | FileCheck --check-prefix=CHECK-73 %s
15*673dc3d4SNico Weber // RUN: not %run %t 74 2>&1 | FileCheck --check-prefix=CHECK-74 %s
16*673dc3d4SNico Weber #include <string.h>
17*673dc3d4SNico Weber #include <stdio.h>
18*673dc3d4SNico Weber #include <stdlib.h>
19*673dc3d4SNico Weber #include <assert.h>
main(int argc,char ** argv)20*673dc3d4SNico Weber int main(int argc, char **argv) {
21*673dc3d4SNico Weber assert(argc >= 2);
22*673dc3d4SNico Weber int idx = atoi(argv[1]);
23*673dc3d4SNico Weber char AAA[10], BBB[10], CCC[10];
24*673dc3d4SNico Weber memset(AAA, 0, sizeof(AAA));
25*673dc3d4SNico Weber memset(BBB, 0, sizeof(BBB));
26*673dc3d4SNico Weber memset(CCC, 0, sizeof(CCC));
27*673dc3d4SNico Weber int res = 0;
28*673dc3d4SNico Weber char *p = AAA + idx;
29*673dc3d4SNico Weber printf("AAA: %p\ny: %p\nz: %p\np: %p\n", AAA, BBB, CCC, p);
30*673dc3d4SNico Weber // make sure BBB and CCC are not removed;
31*673dc3d4SNico Weber return *(short*)(p) + BBB[argc % 2] + CCC[argc % 2];
32*673dc3d4SNico Weber }
33*673dc3d4SNico Weber // CHECK-m2: 'AAA'{{.*}} <== {{.*}}underflows this variable
34*673dc3d4SNico Weber // CHECK-m1: 'AAA'{{.*}} <== {{.*}}partially underflows this variable
35*673dc3d4SNico Weber // CHECK-9: 'AAA'{{.*}} <== {{.*}}partially overflows this variable
36*673dc3d4SNico Weber // CHECK-10: 'AAA'{{.*}} <== {{.*}}overflows this variable
37*673dc3d4SNico Weber // CHECK-30: 'BBB'{{.*}} <== {{.*}}underflows this variable
38*673dc3d4SNico Weber // CHECK-31: 'BBB'{{.*}} <== {{.*}}partially underflows this variable
39*673dc3d4SNico Weber // CHECK-41: 'BBB'{{.*}} <== {{.*}}partially overflows this variable
40*673dc3d4SNico Weber // CHECK-42: 'BBB'{{.*}} <== {{.*}}overflows this variable
41*673dc3d4SNico Weber // CHECK-62: 'CCC'{{.*}} <== {{.*}}underflows this variable
42*673dc3d4SNico Weber // CHECK-63: 'CCC'{{.*}} <== {{.*}}partially underflows this variable
43*673dc3d4SNico Weber // CHECK-73: 'CCC'{{.*}} <== {{.*}}partially overflows this variable
44*673dc3d4SNico Weber // CHECK-74: 'CCC'{{.*}} <== {{.*}}overflows this variable
45*673dc3d4SNico Weber // REQUIRES: shadow-scale-3
46