Small cleanups for clarity

Author: eregon

src/main/java/org/truffleruby/core/array/ArrayDupNode.java

@@ -47,7 +47,9 @@ protected RubyArray dupProfiledSize(RubyArray from,
     }
 
     @ExplodeLoop
-    private RubyArray copyArraySmall(RubyLanguage language, ArrayStoreLibrary fromStores, ArrayStoreLibrary toStores,
+    private RubyArray copyArraySmall(RubyLanguage language,
+            ArrayStoreLibrary fromStores,
+            ArrayStoreLibrary toStores,
             RubyArray from,
             int cachedSize) {
         final Object original = from.store;

src/main/java/org/truffleruby/core/hash/HashLiteralNode.java

@@ -9,7 +9,6 @@
  */
 package org.truffleruby.core.hash;
 
-
 import org.truffleruby.RubyLanguage;
 import org.truffleruby.core.cast.BooleanCastNode;
 import org.truffleruby.language.RubyContextSourceNode;
@@ -21,7 +20,6 @@
 import com.oracle.truffle.api.nodes.ExplodeLoop;
 import com.oracle.truffle.api.profiles.BranchProfile;
 
-
 public abstract class HashLiteralNode extends RubyContextSourceNode {
 
     @Children protected final RubyNode[] keyValues;

src/main/java/org/truffleruby/core/hash/HashOperations.java

@@ -9,14 +9,13 @@
  */
 package org.truffleruby.core.hash;
 
-
+import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import org.truffleruby.RubyContext;
 import org.truffleruby.RubyLanguage;
 import org.truffleruby.core.string.StringUtils;
 import org.truffleruby.language.Nil;
 import org.truffleruby.language.objects.shared.SharedObjects;
 
-
 public abstract class HashOperations {
 
     public static RubyHash newEmptyHash(RubyContext context) {
@@ -34,6 +33,7 @@ public static RubyHash newEmptyHash(RubyContext context) {
                 false);
     }
 
+    @TruffleBoundary
     public static boolean verifyStore(RubyContext context, RubyHash hash) {
         final Object store = hash.store;
         final int size = hash.size;

src/main/java/org/truffleruby/debug/MetricsInternalRootNode.java

@@ -30,10 +30,7 @@ class MetricsInternalRootNode extends RubyBaseRootNode implements InternalRootNo
 
     @Child private RubyNode body;
 
-    public MetricsInternalRootNode(
-            RubyContext context,
-            String name,
-            RubyNode body) {
+    public MetricsInternalRootNode(RubyContext context, String name, RubyNode body) {
         super(context.getLanguageSlow(), context.getCoreLibrary().emptyDescriptor, REQUIRE_METRICS_SOURCE_SECTION);
         assert body != null;