Update to submodule

diff --git a/gcc.git b/gcc.git
index 73aa3b1..4c78527 160000 (submodule)
--- a/gcc.git
+++ b/gcc.git
@@ -1 +1 @@
-Subproject commit 73aa3b173fafa672d3dd189fd3db3cdb0917395d
+Subproject commit 4c785270a687adce463cf0a724df1dc83ac8bb76