1 // RUN: %clangxx_msan %s -fno-sanitize-memory-param-retval -o %t && %run %t >%t.out 2>&1
2 // RUN: FileCheck %s --check-prefix=MISSED --allow-empty < %t.out
3 // RUN: %clangxx_msan %s -mllvm -msan-eager-checks=1 -fno-sanitize-memory-param-retval -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
examineValue(int x)12 static void examineValue(int x) { sink = x; }
13
main(int argc,char * argv[])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