Add truffle boundary round MarkingService#keepObject().

aardvark179 · aardvark179 · commit 1a7a0b3e27b2 · 2019-01-24T14:48:06.000Z
diff --git a/src/main/java/org/truffleruby/core/MarkingService.java b/src/main/java/org/truffleruby/core/MarkingService.java
@@ -94,6 +94,7 @@ public MarkingService(RubyContext context, ReferenceProcessor referenceProcessor
         keptObjects = new Object[cacheSize];
     }
 
+    @TruffleBoundary
     public synchronized void keepObject(Object object) {
         final ArrayList<Object> keepList = stackPreservation.get().peekFirst();
         if (keepList != null) {

Original file line number	Diff line number	Diff line change
`@@ -94,6 +94,7 @@ public MarkingService(RubyContext context, ReferenceProcessor referenceProcessor`
`94`	`94`	`keptObjects = new Object[cacheSize];`
`95`	`95`	`}`
`96`	`96`
	`97`	`+ @TruffleBoundary`
`97`	`98`	`public synchronized void keepObject(Object object) {`
`98`	`99`	`final ArrayList<Object> keepList = stackPreservation.get().peekFirst();`
`99`	`100`	`if (keepList != null) {`