Integrated: 8278965: crash in SymbolTable::do_lookup

[Coleen Phillimore]

On Thu, 9 Feb 2023 13:46:35 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> Please review this small change to hold the refcount of a super class name while calling handle_parallel_super_load. Contrary to what I wrote in JDK-8298061, the refcount in the Placeholder table should never go to one.  I can reproduce this with btree012 occasionally, so this fixes this too.
> 
> The include in placeholders.hpp is required to make the gtest compiled since placeholders header file has Symbol::maybe_increment_refcount and decrement calls.
> 
> Tested with the graal test that failed, and tier1-7.

This pull request has now been integrated.

Changeset: 582b9434
Author:    Coleen Phillimore <coleenp at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/582b943439488a0f43482b67c0bc0d4975bf4023
Stats:     119 lines in 3 files changed: 117 ins; 1 del; 1 mod

8278965: crash in SymbolTable::do_lookup

Reviewed-by: dholmes, fparain, iklam

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PR: https://git.openjdk.org/jdk/pull/12491