1*d21b3d34SFangrui Song // Check that 8-byte store updates origin for the full store range.
2*d21b3d34SFangrui Song // RUN: %clangxx_msan -fsanitize-memory-track-origins -O0 %s -o %t && not %run %t >%t.out 2>&1
3*d21b3d34SFangrui Song // RUN: FileCheck %s < %t.out && FileCheck %s < %t.out
4*d21b3d34SFangrui Song // RUN: %clangxx_msan -fsanitize-memory-track-origins -O2 %s -o %t && not %run %t >%t.out 2>&1
5*d21b3d34SFangrui Song // RUN: FileCheck %s < %t.out && FileCheck %s < %t.out
6*d21b3d34SFangrui Song 
7*d21b3d34SFangrui Song #include <sanitizer/msan_interface.h>
8*d21b3d34SFangrui Song 
main()9*d21b3d34SFangrui Song int main() {
10*d21b3d34SFangrui Song   uint64_t *volatile p = new uint64_t;
11*d21b3d34SFangrui Song   uint64_t *volatile q = new uint64_t;
12*d21b3d34SFangrui Song   *p = *q;
13*d21b3d34SFangrui Song   char *z = (char *)p;
14*d21b3d34SFangrui Song   return z[6];
15*d21b3d34SFangrui Song // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
16*d21b3d34SFangrui Song // CHECK:   in main {{.*}}origin-store-long.cpp:[[@LINE-2]]
17*d21b3d34SFangrui Song 
18*d21b3d34SFangrui Song // CHECK:  Uninitialized value was created by a heap allocation
19*d21b3d34SFangrui Song // CHECK:   in main {{.*}}origin-store-long.cpp:[[@LINE-8]]
20*d21b3d34SFangrui Song }
21*d21b3d34SFangrui Song 
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