[gcc(refs/users/meissner/heads/pr98519-orig)] Add REVISION.

[Michael Meissner]

https://gcc.gnu.org/g:4cb6b3f43efd728a1dac7d0f75dab3d73afc0426

commit 4cb6b3f43efd728a1dac7d0f75dab3d73afc0426
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Mon Feb 1 21:57:16 2021 -0500

    Add REVISION.
    
    gcc/
    2021-02-01  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..966b0499152
--- /dev/null
+++ b/gcc/REVISION
@@ -0,0 +1 @@
+pr98519-orig branch