[Turboprop] Turboprop is the future.

Enable --turboprop in the --future config.

BUG=v8:9684

Change-Id: I405832c2ef0e1b80200a8b8090d7672461cd9e00
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3035762
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75779}

src/flags/flag-definitions.h

@@ -480,8 +480,6 @@ DEFINE_BOOL(future, FUTURE_BOOL,
             "Implies all staged features that we want to ship in the "
             "not-too-far future")
 
-DEFINE_WEAK_IMPLICATION(future, finalize_streaming_on_background)
-DEFINE_WEAK_IMPLICATION(future, super_ic)
 DEFINE_WEAK_IMPLICATION(future, turbo_inline_js_wasm_calls)
 #if ENABLE_SPARKPLUG
 DEFINE_WEAK_IMPLICATION(future, sparkplug)
@@ -489,6 +487,7 @@ DEFINE_WEAK_IMPLICATION(future, sparkplug)
 #if V8_SHORT_BUILTIN_CALLS
 DEFINE_WEAK_IMPLICATION(future, short_builtin_calls)
 #endif
+DEFINE_WEAK_IMPLICATION(future, turboprop)
 
 // Flags for jitless
 DEFINE_BOOL(jitless, V8_LITE_BOOL,

test/mjsunit/mjsunit.status

@@ -1273,7 +1273,7 @@
 }],
 
 ##############################################################################
-['variant == turboprop or variant == turboprop_as_toptier', {
+['variant == turboprop or variant == turboprop_as_toptier or variant == future', {
   # Deopts differently than TurboFan.
   'compiler/native-context-specialization-hole-check': [SKIP],
   'compiler/number-comparison-truncations': [SKIP],

tools/testrunner/local/variants.py

@@ -69,6 +69,7 @@ INCOMPATIBLE_FLAGS_PER_VARIANT = {
              "--liftoff-only"],
   "sparkplug": ["--jitless"],
   "always_sparkplug": ["--jitless"],
+  "future": ["--interrupt-budget=*"],
   "turboprop": ["--interrupt-budget=*"],
   "turboprop_as_toptier": ["--interrupt-budget=*"],
   "code_serializer": ["--cache=after-execute", "--cache=full-code-cache",