Mimic HotSpot: only check that InnerClasses.inner_name_index is a val…

…id UTF8 constant.
xjjdlut · Apr 6, 2021 · 6248f8b · 6248f8b
1 parent cbd1515
commit 6248f8b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/...om.oracle.truffle.espresso/src/com/oracle/truffle/espresso/classfile/ClassfileParser.java b/...om.oracle.truffle.espresso/src/com/oracle/truffle/espresso/classfile/ClassfileParser.java
@@ -1218,7 +1218,9 @@ private InnerClassesAttribute.Entry parseInnerClassEntry() {
             pool.classAt(outerClassIndex).validate(pool);
         }
         if (innerNameIndex != 0) {
-            pool.utf8At(innerNameIndex).validateClassName();
+            // Gradle (the build tool) generates classes with innerNameIndex -> empty string.
+            // HotSpot does not validates the class name, only that it is a valid UTF-8 constant.
+            pool.utf8At(innerNameIndex).validate(pool); // .validateClassName();
         }
         return new InnerClassesAttribute.Entry(innerClassIndex, outerClassIndex, innerNameIndex, innerClassAccessFlags);
     }