1 // RUN: %clangxx_msan %s -o %t && %run %t >%t.out 2>&1
2 // RUN: FileCheck %s --check-prefix=MISSED --allow-empty < %t.out
3 // RUN: %clangxx_msan %s -Xclang -enable-noundef-analysis -mllvm -msan-eager-checks=1 -o %t && not %run %t >%t.out 2>&1
4 // RUN: FileCheck %s < %t.out
5 
6 struct SimpleStruct {
7   int md1;
8 };
9 
10 static int sink;
11 
12 static void examineValue(int x) { sink = x; }
13 
14 int main(int argc, char *argv[]) {
15   auto ss = new SimpleStruct;
16   examineValue(ss->md1);
17 
18   return 0;
19 }
20 
21 // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
22 // MISSED-NOT: use-of-uninitialized-value
23