Integrated: 8297530: java.lang.IllegalArgumentException: Negative length on strings concatenation

[Claes Redestad]

On Thu, 24 Nov 2022 13:23:13 GMT, Claes Redestad <redestad at openjdk.org> wrote:

> When concatenating Strings, OutOfMemoryError should be thrown on all overflow conditions. This fixes a case that erroneously thro IAE on concatenations of long (`length > Integer.MAX_VALUE/2`) UTF16 strings due failing to check for overflow after shifting index left with the coder.
> 
> This was caught by a fuzzer test. Added a sanity test that fails without the patch (loosely derived from ImplicitStringConcatMany.java)

This pull request has now been integrated.

Changeset: 87d1097d
Author:    Claes Redestad <redestad at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/87d1097d9be1ef804bfd4640a4254126242b1d8c
Stats:     141 lines in 2 files changed: 139 ins; 0 del; 2 mod

8297530: java.lang.IllegalArgumentException: Negative length on strings concatenation

Reviewed-by: enikitin, alanb

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PR: https://git.openjdk.org/jdk/pull/11354