git: openjdk/jdk13u-dev: 8233880: Support compilers with multi-digit major version numbers

[Yuri Nesterenko]

Changeset: 2f2f2deb
Author:    Olga Mikhaltsova <omikhaltcova at openjdk.org>
Committer: Yuri Nesterenko <yan at openjdk.org>
Date:      2021-03-04 14:38:57 +0000
URL:       https://git.openjdk.java.net/jdk13u-dev/commit/2f2f2deb

8233880: Support compilers with multi-digit major version numbers

Backport-of: 7dafe378d3b4fbbb39d1bbfdb50cc655ebf633bd

! make/autoconf/toolchain.m4