git: openjdk/jdk: 8271003: hs_err improvement: handle CLASSPATH env setting longer than O_BUFLEN

[Calvin Cheung]

Changeset: 3435d299
Author:    Calvin Cheung <ccheung at openjdk.org>
Date:      2021-08-04 01:38:18 +0000
URL:       https://git.openjdk.java.net/jdk/commit/3435d299f76ada66e7b7cb42d9f0265cf99a30ca

8271003: hs_err improvement: handle CLASSPATH env setting longer than O_BUFLEN

Reviewed-by: dholmes, stuefe, iklam, minqi

! src/hotspot/share/runtime/os.cpp
+ test/hotspot/jtreg/runtime/ErrorHandling/ClassPathEnvVar.java