Reland of Immediately cache compiled scripts.

test/cctest/heap/test-heap.cc

Index: test/cctest/heap/test-heap.cc
diff --git a/test/cctest/heap/test-heap.cc b/test/cctest/heap/test-heap.cc
index 10ff89c278e198baee5c9e35bc8e8298bb8066d6..0cedb188579256e4ea259d719967aa73200b517d 100644
--- a/test/cctest/heap/test-heap.cc
+++ b/test/cctest/heap/test-heap.cc
@@ -1587,22 +1587,8 @@
     CompileRun(raw_source);
   }
 
-  // On first compilation, only a hash is inserted in the code cache. We can't
-  // find that value.
+  // The script should be in the cache now.
   MaybeHandle<SharedFunctionInfo> info = compilation_cache->LookupScript(
-      source, Handle<Object>(), 0, 0,
-      v8::ScriptOriginOptions(false, true, false), native_context,
-      language_mode);
-  CHECK(info.is_null());
-
-  {
-    v8::HandleScope scope(CcTest::isolate());
-    CompileRun(raw_source);
-  }
-
-  // On second compilation, the hash is replaced by a real cache entry mapping
-  // the source to the shared function info containing the code.
-  info = compilation_cache->LookupScript(
       source, Handle<Object>(), 0, 0,
       v8::ScriptOriginOptions(false, true, false), native_context,
       language_mode);
@@ -1632,36 +1618,6 @@
 
   heap->CollectAllGarbage();
   // Ensure code aging cleared the entry from the cache.
-  info = compilation_cache->LookupScript(
-      source, Handle<Object>(), 0, 0,
-      v8::ScriptOriginOptions(false, true, false), native_context,
-      language_mode);
-  CHECK(info.is_null());
-
-  {
-    v8::HandleScope scope(CcTest::isolate());
-    CompileRun(raw_source);
-  }
-
-  // On first compilation, only a hash is inserted in the code cache. We can't
-  // find that value.
-  info = compilation_cache->LookupScript(
-      source, Handle<Object>(), 0, 0,
-      v8::ScriptOriginOptions(false, true, false), native_context,
-      language_mode);
-  CHECK(info.is_null());
-
-  for (int i = 0; i < CompilationCacheTable::kHashGenerations; i++) {
-    compilation_cache->MarkCompactPrologue();
-  }
-
-  {
-    v8::HandleScope scope(CcTest::isolate());
-    CompileRun(raw_source);
-  }
-
-  // If we aged the cache before caching the script, ensure that we didn't cache
-  // on next compilation.
   info = compilation_cache->LookupScript(
       source, Handle<Object>(), 0, 0,
       v8::ScriptOriginOptions(false, true, false), native_context,