Revert of [profiler] reduce incorrectly unaccounted ticks.

src/profiler/tick-sample.cc

Index: src/profiler/tick-sample.cc
diff --git a/src/profiler/tick-sample.cc b/src/profiler/tick-sample.cc
index 538223715b5082f49f0a3a69b3d4bbe7e370c4bb..e1c84c46bf45b5cc7dc261f86e786f1f228239af 100644
--- a/src/profiler/tick-sample.cc
+++ b/src/profiler/tick-sample.cc
@@ -225,7 +225,12 @@
   i::SafeStackFrameIterator it(isolate, reinterpret_cast<i::Address>(regs->fp),
                                reinterpret_cast<i::Address>(regs->sp),
                                js_entry_sp);
-  if (it.done()) return true;
+
+  // If at this point iterator does not see any frames,
+  // is usually means something is wrong with the FP,
+  // e.g. it is used as a general purpose register in the function.
+  // Bailout.
+  if (it.done()) return false;
 
   size_t i = 0;
   if (record_c_entry_frame == kIncludeCEntryFrame &&