[gcc(refs/users/meissner/heads/work042-orig)] Add REVISION.

[Michael Meissner]

https://gcc.gnu.org/g:512513bf89b72b6152b3648cadcd116badea76e8

commit 512513bf89b72b6152b3648cadcd116badea76e8
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Thu Mar 18 19:12:02 2021 -0400

    Add REVISION.
    
    gcc/
    2021-03-18  Michael Meissner  <meissner@linux.ibm.com>
    
            * REVISION: New file for branch.

Diff:
---
 gcc/REVISION | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/REVISION b/gcc/REVISION
new file mode 100644
index 00000000000..047af6879ed
--- /dev/null
+++ b/gcc/REVISION
@@ -0,0 +1 @@
+work042-orig branch