[maglev] Do not include maglev headers if maglev is not supported

Fixes bazel bot issue:
https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux64%20-%20bazel%20-%20builder/1279/overview

Bug: v8:7700
Change-Id: I4a7b43517574fc99bed2fe2bd75c126d06fcfad8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3535790
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Auto-Submit: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79530}

src/codegen/compiler.cc

@@ -48,7 +48,6 @@
 #include "src/logging/counters-scopes.h"
 #include "src/logging/log-inl.h"
 #include "src/logging/runtime-call-stats-scope.h"
-#include "src/maglev/maglev-concurrent-dispatcher.h"
 #include "src/objects/feedback-cell-inl.h"
 #include "src/objects/js-function-inl.h"
 #include "src/objects/map.h"
@@ -66,6 +65,7 @@
 #include "src/zone/zone-list-inl.h"  // crbug.com/v8/8816
 
 #ifdef V8_ENABLE_MAGLEV
+#include "src/maglev/maglev-concurrent-dispatcher.h"
 #include "src/maglev/maglev.h"
 #endif  // V8_ENABLE_MAGLEV
 

src/handles/handles.cc

@@ -10,12 +10,15 @@
 #include "src/execution/isolate.h"
 #include "src/execution/thread-id.h"
 #include "src/handles/maybe-handles.h"
-#include "src/maglev/maglev-concurrent-dispatcher.h"
 #include "src/objects/objects-inl.h"
 #include "src/roots/roots-inl.h"
 #include "src/utils/address-map.h"
 #include "src/utils/identity-map.h"
 
+#ifdef V8_ENABLE_MAGLEV
+#include "src/maglev/maglev-concurrent-dispatcher.h"
+#endif  // V8_ENABLE_MAGLEV
+
 #ifdef DEBUG
 // For GetIsolateFromWritableHeapObject.
 #include "src/heap/heap-write-barrier-inl.h"