[lworld] Integrated: 8372954: [lworld] Remove old implementation of the substitutability test method

[Paul Hübner]

On Mon, 2 Feb 2026 15:38:24 GMT, Paul Hübner <phubner at openjdk.org> wrote:

> Hi all,
> 
> This change removes the old substitutability test method. The new/alt substitutability test takes the place of the legacy test, and all identifiers with "alt" are removed.
> 
> Testing: tiers 1-5 on Linux (x64, AArch64), macOS (x64, AArch64), Windows (x64).

This pull request has now been integrated.

Changeset: 2b06c93b
Author:    Paul Hübner <phubner at openjdk.org>
URL:       https://git.openjdk.org/valhalla/commit/2b06c93b0122d749579c89b0b55a32c49e0e0754
Stats:     1927 lines in 26 files changed: 11 ins; 1862 del; 54 mod

8372954: [lworld] Remove old implementation of the substitutability test method

Co-authored-by: Chen Liang <liach at openjdk.org>
Reviewed-by: rriggs, thartmann, fparain

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PR: https://git.openjdk.org/valhalla/pull/2012