[libFuzzer] ensure that strncmp is not inlined in a test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299177 91177308-0d34-0410-b5e6-96231b3b80d8
stryku · Mar 31, 2017 · 15e73a6 · 15e73a6
1 parent 8cefdcb
commit 15e73a6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/Fuzzer/test/SingleStrncmpTest.cpp b/lib/Fuzzer/test/SingleStrncmpTest.cpp
@@ -9,7 +9,8 @@
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   char *S = (char*)Data;
-  if (Size >= 6 && !strncmp(S, "qwerty", 6)) {
+  volatile auto Strncmp = &(strncmp);   // Make sure strncmp is not inlined.
+  if (Size >= 6 && !Strncmp(S, "qwerty", 6)) {
     fprintf(stderr, "BINGO\n");
     exit(1);
   }