[test] Speedup serializer test for large code objects.

R=yangguo@chromium.org
TEST=cctest/test-serialize/CodeSerializerLargeCodeObject

Review-Url: https://codereview.chromium.org/2226233002
Cr-Commit-Position: refs/heads/master@{#38489}

test/cctest/cctest.status

@@ -321,17 +321,9 @@
 
 }],  # 'arch == ppc64 and simulator_run == True'
 
-##############################################################################
-['variant == stress', {
-  'test-serialize/CodeSerializerLargeCodeObject': [SKIP],
-}],  # variant == stress
-
 ##############################################################################
 ['variant == turbofan', {
 
-  # Too many inputs into the merge of the handler block. And slow!
-  'test-serialize/CodeSerializerLargeCodeObject': [SKIP],
-
   # TODO(bmeurer): TurboFan embeds strong references to all kinds of objects
   # via deoptimization data (Crankshaft also does this, but lack proper test
   # coverage).
@@ -344,14 +336,6 @@
 
 }],  # variant == turbofan
 
-##############################################################################
-['variant == turbofan_opt', {
-
-  # Too many inputs into the merge of the handler block. And slow!
-  'test-serialize/CodeSerializerLargeCodeObject': [SKIP],
-
-}],  # variant == turbofan_opt
-
 ##############################################################################
 ['variant == ignition', {
   # TODO(rmcilroy,4680): Related to lack of code flushing. Check failed: !function->shared()->is_compiled() || function->IsOptimized().
@@ -400,9 +384,6 @@
   # with crankshaft.
   'test-cpu-profiler/TickLinesOptimized': [SKIP],
 
-  # TOOD(mstarzinger): Test expectation does not respect bytecode array.
-  'test-serialize/CodeSerializerLargeCodeObject': [FAIL],
-
   # TurboFan cpu profiler result is different.
   'test-cpu-profiler/DeoptAtFirstLevelInlinedSource': [FAIL],
   'test-cpu-profiler/DeoptAtSecondLevelInlinedSource': [FAIL],
@@ -457,7 +438,6 @@
   'test-run-inlining/SimpleInliningContextDeopt': [FAIL],
   'test-run-inlining/SimpleInliningContext': [FAIL],
   'test-run-inlining/SimpleInlining': [FAIL],
-  'test-serialize/CodeSerializerLargeCodeObject': [FAIL],
 }],  # variant == ignition_staging
 
 ##############################################################################
@@ -529,9 +509,6 @@
   # BUG(4751). Flaky with Ignition.
   'test-cpu-profiler/JsNativeJsSample': [SKIP],
 
-  # TOOD(mstarzinger): Test expectation does not respect bytecode array.
-  'test-serialize/CodeSerializerLargeCodeObject': [FAIL],
-
   # TODO(bmeurer): TurboFan embeds strong references to all kinds of objects
   # via deoptimization data (Crankshaft also does this, but lack proper test
   # coverage).

test/cctest/test-serialize.cc

@@ -1060,10 +1060,14 @@ TEST(CodeSerializerLargeCodeObject) {
 
   v8::HandleScope scope(CcTest::isolate());
 
+  // The serializer only tests the shared code, which is always the unoptimized
+  // code. Don't even bother generating optimized code to avoid timeouts.
+  FLAG_always_opt = false;
+
   Vector<const uint8_t> source =
-      ConstructSource(STATIC_CHAR_VECTOR("var j=1; try { if (j) throw 1;"),
-                      STATIC_CHAR_VECTOR("for(var i=0;i<1;i++)j++;"),
-                      STATIC_CHAR_VECTOR("} catch (e) { j=7; } j"), 10000);
+      ConstructSource(STATIC_CHAR_VECTOR("var j=1; if (!j) {"),
+                      STATIC_CHAR_VECTOR("for (let i of Object.prototype);"),
+                      STATIC_CHAR_VECTOR("} j=7; j"), 1500);
   Handle<String> source_str =
       isolate->factory()->NewStringFromOneByte(source).ToHandleChecked();
 
@@ -1074,7 +1078,7 @@ TEST(CodeSerializerLargeCodeObject) {
       CompileScript(isolate, source_str, Handle<String>(), &cache,
                     v8::ScriptCompiler::kProduceCodeCache);
 
-  CHECK(isolate->heap()->InSpace(orig->code(), LO_SPACE));
+  CHECK(isolate->heap()->InSpace(orig->abstract_code(), LO_SPACE));
 
   Handle<SharedFunctionInfo> copy;
   {