chore: small clean ups (#1073)

.gn

@@ -39,6 +39,12 @@ default_args = {
   v8_use_external_startup_data = false
   v8_use_snapshot = true
 
+  # Ensure allocation of typed arrays and arraybuffers always goes through
+  # the embedder's ArrayBufferAllocator, otherwise small buffers get moved
+  # around by the garbage collector but embedders normally want them to have
+  # fixed addresses.
+  v8_typed_array_max_size_in_heap = 0
+
   # To avoid test failure:
   # Fatal error in ../../../v8/src/heap/read-only-spaces.cc, line 69
   # Check failed: read_only_blob_checksum_ == snapshot_checksum (<unprintable>

build.rs

@@ -204,12 +204,6 @@ fn build_v8() {
     gn_args.push(r#"target_cpu="x86""#.to_string());
   }
 
-  // Ensure allocation of typed arrays and arraybuffers always goes through
-  // the embedder's ArrayBufferAllocator, otherwise small buffers get moved
-  // around by the garbage collector but embedders normally want them to have
-  // fixed addresses.
-  gn_args.push(r#"v8_typed_array_max_size_in_heap=0"#.into());
-
   let gn_root = env::var("CARGO_MANIFEST_DIR").unwrap();
 
   let gn_out = maybe_gen(&gn_root, gn_args);

src/binding.cc

@@ -45,7 +45,8 @@ static_assert(sizeof(v8::PromiseRejectMessage) == sizeof(size_t) * 3,
 
 static_assert(sizeof(v8::Locker) == sizeof(size_t) * 2, "Locker size mismatch");
 
-static_assert(sizeof(v8::ScriptCompiler::Source) == align_to<size_t>(sizeof(size_t) * 6 + sizeof(int) * 3),
+static_assert(sizeof(v8::ScriptCompiler::Source) ==
+                  align_to<size_t>(sizeof(size_t) * 6 + sizeof(int) * 3),
               "Source size mismatch");
 
 static_assert(sizeof(v8::FunctionCallbackInfo<v8::Value>) == sizeof(size_t) * 3,