git: openjdk/jdk11u-dev: 8231058: VerifyOops crashes with assert(_offset >= 0) failed: offset for non comment?

[SendaoYan]

Changeset: 79faa196
Branch: master
Author:    SendaoYan <syan at openjdk.org>
Date:      2025-04-09 02:36:23 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/79faa1960335c5bdd7beab7baf29f74fc3243a97

8231058: VerifyOops crashes with assert(_offset >= 0) failed: offset for non comment?

Offset method should only be called for comments.

Backport-of: 6bc9833f65aefaaba189d4d26091261d2d9ca8b0

! src/hotspot/share/asm/codeBuffer.cpp
+ test/hotspot/jtreg/runtime/CheckUnhandledOops/TestVerifyOops.java