RFR: 8367368: Add message for verify_legal_class_modifiers for inner classes

[Chen Liang]

On Wed, 10 Sep 2025 18:38:56 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This adds the inner class name (or unnamed) to the error message for invalid inner class modifiers.
> Testing with tier1-4.

test/hotspot/jtreg/runtime/InnerClassesAttr/TestInnerClassAccessFlagErrorMessage.java line 58:

> 56:         } catch (ClassFormatError err) {
> 57:             System.out.println(err.getMessage());
> 58:             assertEquals(err.getMessage(), msg2);

I recommend testing against message fragment to ensure the class name is included without asserting the whole message, to allow more freedom in error messages while retaining desired info.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/27201#discussion_r2338233277