Enable lazy feedback allocation

Bug: v8:8394
Change-Id: I29ffd38725bdcaa9dd11221045dba681eb0d567b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1643430Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61991}

src/flags/flag-definitions.h

@@ -382,8 +382,7 @@ DEFINE_BOOL(use_ic, true, "use inline caching")
 DEFINE_INT(budget_for_feedback_vector_allocation, 1 * KB,
            "The budget in amount of bytecode executed by a function before we "
            "decide to allocate feedback vectors")
-DEFINE_BOOL(lazy_feedback_allocation, false, "Allocate feedback vectors lazily")
-DEFINE_IMPLICATION(future, lazy_feedback_allocation)
+DEFINE_BOOL(lazy_feedback_allocation, true, "Allocate feedback vectors lazily")
 
 // Flags for Ignition.
 DEFINE_BOOL(ignition_elide_noneffectful_bytecodes, true,