hg: jdk8u/jdk8u/hotspot: 8269388: Default build of OpenJDK 8 fails on newer GCCs with warnings as errors on format-overflow

[gnu.andrew at redhat.com]

Changeset: c43e69afd9aa
Author:    jvanek
Date:      2021-06-28 06:05 +0100
URL:       https://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/c43e69afd9aa

8269388: Default build of OpenJDK 8 fails on newer GCCs with warnings as errors on format-overflow
Summary: Disable promoting the format-overflow warning to an error in os_linux.cpp until the code is fixed
Reviewed-by: andrew

! make/linux/makefiles/gcc.make