Rollback trunk to 3.21.16.2

src/cpu-profiler.cc

Index: src/cpu-profiler.cc
diff --git a/src/cpu-profiler.cc b/src/cpu-profiler.cc
index 3d9dc6780b2aefac2f45ae619281ccbf5c036d3c..e0f7aea18a8633c5c66e4fac6ea088a415f6b6fd 100644
--- a/src/cpu-profiler.cc
+++ b/src/cpu-profiler.cc
@@ -435,18 +435,8 @@ void CpuProfiler::StartProcessorIfNotStarted() {
     logger->is_logging_ = false;
     generator_ = new ProfileGenerator(profiles_);
     Sampler* sampler = logger->sampler();
-#if V8_CC_MSVC && (_MSC_VER >= 1800)
-    // VS2013 reports "warning C4316: 'v8::internal::ProfilerEventsProcessor'
-    // : object allocated on the heap may not be aligned 64".  We need to
-    // figure out if this is a legitimate warning or a compiler bug.
-    #pragma warning(push)
-    #pragma warning(disable:4316)
-#endif
     processor_ = new ProfilerEventsProcessor(
         generator_, sampler, sampling_interval_);
-#if V8_CC_MSVC && (_MSC_VER >= 1800)
-    #pragma warning(pop)
-#endif
     is_profiling_ = true;
     // Enumerate stuff we already have in the heap.
     ASSERT(isolate_->heap()->HasBeenSetUp());