diff --git a/compiler/rustc_codegen_gcc/Readme.md b/compiler/rustc_codegen_gcc/Readme.md
index cd6aeae4b42ea..b134cc4852a8c 100644
--- a/compiler/rustc_codegen_gcc/Readme.md
+++ b/compiler/rustc_codegen_gcc/Readme.md
@@ -1,5 +1,7 @@
 # WIP libgccjit codegen backend for rust
 
+UPDATE README
+
 [![Chat on IRC](https://img.shields.io/badge/irc.libera.chat-%23rustc__codegen__gcc-blue.svg)](https://web.libera.chat/#rustc_codegen_gcc)
 [![Chat on Matrix](https://img.shields.io/badge/matrix.org-%23rustc__codegen__gcc-blue.svg)](https://matrix.to/#/#rustc_codegen_gcc:matrix.org)
 
diff --git a/compiler/rustc_codegen_gcc/josh-sync.toml b/compiler/rustc_codegen_gcc/josh-sync.toml
new file mode 100644
index 0000000000000..2bb16e8a58158
--- /dev/null
+++ b/compiler/rustc_codegen_gcc/josh-sync.toml
@@ -0,0 +1,2 @@
+repo = "rustc_codegen_gcc"
+filter = ":rev(02f889aec5dc9b4e51d4cfd86c67ce5e4a0bbf72:prefix=compiler/rustc_codegen_gcc):/compiler/rustc_codegen_gcc"
diff --git a/compiler/rustc_codegen_gcc/rust-version b/compiler/rustc_codegen_gcc/rust-version
new file mode 100644
index 0000000000000..2335af63bfaa9
--- /dev/null
+++ b/compiler/rustc_codegen_gcc/rust-version
@@ -0,0 +1 @@
+d0e6d778cf1563beb494ca3f1b7858e00776722f