[super property speed] Switch --super-ic on under --future

This enables correctness fuzzing.

Bug: v8:9237
Change-Id: I9b8e5506cf22a482cf39e92d3d67629382ac4b39
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2436539Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70237}

src/flags/flag-definitions.h

@@ -425,6 +425,7 @@ DEFINE_BOOL(future, FUTURE_BOOL,
 
 DEFINE_WEAK_IMPLICATION(future, write_protect_code_memory)
 DEFINE_WEAK_IMPLICATION(future, finalize_streaming_on_background)
+DEFINE_WEAK_IMPLICATION(future, super_ic)
 
 // Flags for jitless
 DEFINE_BOOL(jitless, V8_LITE_BOOL,

test/cctest/interpreter/test-bytecode-generator.cc

@@ -2591,6 +2591,10 @@ TEST(ClassDeclarations) {
 }
 
 TEST(ClassAndSuperClass) {
+  // Different bytecodes are generated with and without --future temporarily,
+  // see crbug.com/v8/9237 . TODO(marja): remove this hack once --super-ic is on
+  // by default.
+  FLAG_super_ic = false;
   InitializedIgnitionHandleScope scope;
   BytecodeExpectationsPrinter printer(CcTest::isolate());
   printer.set_wrap(false);