[code-reflection] Integrated: Immediate dominator map should be unmodifiable

[Paul Sandoz]

On Thu, 18 Jul 2024 18:15:13 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

> The cached Immediate dominator map returned by `Body::immediateDominators` was modifiable. Changed to make it unmodifiable.

This pull request has now been integrated.

Changeset: 1fd7ffa9
Author:    Paul Sandoz <psandoz at openjdk.org>
URL:       https://git.openjdk.org/babylon/commit/1fd7ffa92ea85938ac6720b462030d52a0a72698
Stats:     31 lines in 2 files changed: 26 ins; 0 del; 5 mod

Immediate dominator map should be unmodifiable

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PR: https://git.openjdk.org/babylon/pull/187