[lib/Fuzzer] change the meaning of -timeout flag: now timeout is applied to every unit of work separately

llvm-svn: 237735
diff --git a/llvm/lib/Fuzzer/test/InfiniteTest.cpp b/llvm/lib/Fuzzer/test/InfiniteTest.cpp
index 7c5c8c1..b6d174f 100644
--- a/llvm/lib/Fuzzer/test/InfiniteTest.cpp
+++ b/llvm/lib/Fuzzer/test/InfiniteTest.cpp
@@ -6,6 +6,8 @@
 
 static volatile int Sink;
 
+static volatile int One = 1;
+
 extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   if (Size > 0 && Data[0] == 'H') {
     Sink = 1;
@@ -13,6 +15,8 @@
       Sink = 2;
       if (Size > 2 && Data[2] == '!') {
         Sink = 2;
+        while (One)
+          ;
       }
     }
   }