Run test-heap/NoWeakHashTableLeakWithIncrementalMarking with a clean slate.

test/cctest/test-heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 13 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <stdlib.h>
 #include <utility>
 
 #include "src/v8.h"
 
 #include "src/compilation-cache.h"
+#include "src/deoptimizer.h"
 #include "src/execution.h"
 #include "src/factory.h"
 #include "src/global-handles.h"
 #include "src/ic/ic.h"
 #include "src/macro-assembler.h"
 #include "test/cctest/cctest.h"
 
 using namespace v8::internal;
 using v8::Just;
 
@@ skipping 4291 matching lines @@
   if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
   if (!i::FLAG_incremental_marking) return;
   i::FLAG_weak_embedded_objects_in_optimized_code = true;
   i::FLAG_allow_natives_syntax = true;
   i::FLAG_compilation_cache = false;
   i::FLAG_retain_maps_for_n_gc = 0;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   v8::internal::Heap* heap = CcTest::heap();
 
+  // Get a clean slate regarding optimized functions on the heap.
+  i::Deoptimizer::DeoptimizeAll(isolate);
+  heap->CollectAllGarbage();
+
   if (!isolate->use_crankshaft()) return;
   HandleScope outer_scope(heap->isolate());
   for (int i = 0; i < 3; i++) {
     SimulateIncrementalMarking(heap);
     {
       LocalContext context;
       HandleScope scope(heap->isolate());
       EmbeddedVector<char, 256> source;
       SNPrintF(source,
                "function bar%d() {"
@@ skipping 1056 matching lines @@
   CHECK(pos->IsSmi());
 
   Handle<JSArray> stack_trace_array = Handle<JSArray>::cast(stack_trace);
   int array_length = Smi::cast(stack_trace_array->length())->value();
   for (int i = 0; i < array_length; i++) {
     Handle<Object> element =
         Object::GetElement(isolate, stack_trace, i).ToHandleChecked();
     CHECK(!element->IsCode());
   }
 }