Update to submodule gcc.git

diff --git a/gcc.git b/gcc.git
index d4e838d..72aa99e 160000 (submodule)
--- a/gcc.git
+++ b/gcc.git
@@ -1 +1 @@
-Subproject commit d4e838d3e2cc17102c630aef4e70868223f8a8ad
+Subproject commit 72aa99e98f62b2f2c211ab13988d4b2892143d62