[wasm] Enable node splitting during scheduling.

R=herhut@chromium.org

Change-Id: Ice45defac8f065b6b1c848fd42ead6ab46da89ab
Reviewed-on: https://chromium-review.googlesource.com/c/1317573Reviewed-by: Stephan Herhut <herhut@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57243}

src/optimized-compilation-info.cc

@@ -77,8 +77,13 @@ void OptimizedCompilationInfo::ConfigureFlags() {
       MarkAsSourcePositionsEnabled();
 #endif  // ENABLE_GDB_JIT_INTERFACE && DEBUG
       break;
-    default:
+    case Code::WASM_FUNCTION:
       SetFlag(kSwitchJumpTableEnabled);
+      if (FLAG_turbo_splitting) {
+        MarkAsSplittingEnabled();
+      }
+      break;
+    default:
       break;
   }
 }