src/java.base/share/classes/sun/invoke/util/BytecodeDescriptor.java

rev 49071 : 8198888: Reduce string allocation churn in InvokerBytecodeGenerator
Reviewed-by: TBD

@@ -105,10 +105,15 @@
             return Wrapper.forBasicType(c).primitiveType();
         }
     }
 
     public static String unparse(Class<?> type) {
+        if (type == Object.class) {
+            return "Ljava/lang/Object;";
+        } else if (type == int.class) {
+            return "I";
+        }
         StringBuilder sb = new StringBuilder();
         unparseSig(type, sb);
         return sb.toString();
     }
 

@@ -146,10 +151,12 @@
 
     private static void unparseSig(Class<?> t, StringBuilder sb) {
         char c = Wrapper.forBasicType(t).basicTypeChar();
         if (c != 'L') {
             sb.append(c);
+        } else if (t == Object.class) {
+            sb.append("Ljava/lang/Object;");
         } else {
             boolean lsemi = (!t.isArray());
             if (lsemi)  sb.append('L');
             sb.append(t.getName().replace('.', '/'));
             if (lsemi)  sb.append(';');