diff -Nru gcc-13-13.2.0/debian/changelog gcc-13-13.2.0/debian/changelog
--- gcc-13-13.2.0/debian/changelog	2023-12-14 19:55:12.000000000 +0100
+++ gcc-13-13.2.0/debian/changelog	2024-01-04 16:03:12.000000000 +0100
@@ -1,3 +1,10 @@
+gcc-13 (13.2.0-9.1) UNRELEASED; urgency=medium
+
+  * Non-maintainer upload.
+  * Enable PAC/BTI on arm64. 
+
+ -- Emanuele Rocca <ema@debian.org>  Thu, 04 Jan 2024 16:03:12 +0100
+
 gcc-13 (13.2.0-9) unstable; urgency=medium
 
   * Update to git 20231214 from the gcc-13 branch.
diff -Nru gcc-13-13.2.0/debian/rules2 gcc-13-13.2.0/debian/rules2
--- gcc-13-13.2.0/debian/rules2	2023-12-09 20:15:56.000000000 +0100
+++ gcc-13-13.2.0/debian/rules2	2024-01-04 16:03:12.000000000 +0100
@@ -199,6 +199,16 @@
   STAGE1_LDFLAGS	=
 endif
 
+ifeq ($(DEB_TARGET_ARCH),arm64)
+    ifeq ($(DEB_CROSS),yes)
+        CFLAGS_FOR_TARGET += -mbranch-protection=standard
+        CXXFLAGS_FOR_TARGET += -mbranch-protection=standard
+    else
+        CFLAGS += -mbranch-protection=standard
+        CXXFLAGS += -mbranch-protection=standard
+    endif
+endif
+
 # set CFLAGS/LDFLAGS for the configure step only, maybe be modifed for some target
 # all other flags are passed to the make step.
 pass_vars = $(foreach v,$(1),$(if $($(v)),$(v)="$($(v))"))