Running doccheck on the latest master gives the following results

api/java.base/java/util/concurrent/StructuredTaskScope.ShutdownOnFailure.html:245: id not found: api/java.base/java/util/concurrent/StructuredTaskScope.ShutdownOnFailure.html#TreeStructure
api/java.base/java/util/concurrent/StructuredTaskScope.ShutdownOnSuccess.html:242: id not found: api/java.base/java/util/concurrent/StructuredTaskScope.ShutdownOnSuccess.html#TreeStructure
api/java.base/java/net/IDN.html#RFC3454:PreparationofInternationalizedStrings("stringprep")
api/java.base/java/lang/Class.html:323: name already declared: nest
api/java.base/java/lang/Module.html:291: id not found: api/java.base/java/lang/foreign/package-summary.html#restricted
api/java.base/java/lang/Module.html:434: id not found: api/java.base/java/lang/foreign/package-summary.html#restricted
api/new-list.html:4559: id not found: api/java.base/java/lang/foreign/package-summary.html#restricted
api/java.base/java/lang/foreign/MemorySegment.html:725: id not found: api/java.base/java/lang/foreign/package-summary.html#restricted
api/index-files/index-18.html:11825: id not found:
api/index-files/index-9.html:13762: id not found: api/java.base/java/lang/foreign/package-summary.html#restricted

The first two will be fixed in JDK-8332747, the third report may be a false positive as the test doesn't recognize &quote; as "

The others seem like actual bugs