RFR: 8282355: compiler/arguments/TestCodeEntryAlignment.java failed "guarantee(sect->end() <= tend) failed: sanity"

Sat Mar 12 23:44:43 UTC 2022

On Sat, 12 Mar 2022 23:28:43 GMT, Dean Long <dlong at openjdk.org> wrote:

> This change adds extra stub space for large values of CodeEntryAlignment, and it changes the test to try large values of CodeEntryAlignment.

test/hotspot/jtreg/compiler/arguments/TestCodeEntryAlignment.java line 69:

> 67: 
> 68:     public static void driver() throws IOException {
> 69:         for (int align = 32; align <= 1024; align *= 2) {

This wouldn't test for `-XX:CodeEntryAlignment=16`.
However, we used to find a bug with `-XX:CodeEntryAlignment=16`.
https://github.com/openjdk/jdk/pull/7485

Why not testing with `-XX:CodeEntryAlignment=16`?

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

PR: https://git.openjdk.java.net/jdk/pull/7800