diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3a5bc80db55..daa2efc32e1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,24 @@
+2023-07-03  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gimple-fold.cc (fold_array_ctor_reference): Fix head comment.
+	(fold_nonarray_ctor_reference): Likewise.  Specifically deal
+	with integral bit-fields.
+	(fold_ctor_reference): Make sure that the constructor uses the
+	native storage order.
+
+2023-07-03  Iain Sandoe  <iain@sandoe.co.uk>
+
+	Backported from master:
+	2023-07-02  Iain Sandoe  <iain@sandoe.co.uk>
+
+	PR target/108743
+	* config/darwin.opt: Add fconstant-cfstrings alias to
+	mconstant-cfstrings.
+	* doc/invoke.texi: Amend invocation descriptions to reflect
+	that the fconstant-cfstrings is a target-option alias and to
+	add the missing mconstant-cfstrings option description to the
+	Darwin section.
+
 2023-06-29  liuhongt  <hongtao.liu@intel.com>
 
 	PR rtl-optimization/110237
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 4686be8f754..a75b56cd2f4 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20230703
+20230704
diff --git a/gcc/m2/ChangeLog b/gcc/m2/ChangeLog
index 5112318143e..fa7f564954d 100644
--- a/gcc/m2/ChangeLog
+++ b/gcc/m2/ChangeLog
@@ -1,3 +1,12 @@
+2023-07-03  Iain Sandoe  <iain@sandoe.co.uk>
+
+	Backported from master:
+	2023-06-30  Iain Sandoe  <iain@sandoe.co.uk>
+
+	PR testsuite/108835
+	* gm2-libs/RTint.mod: Do not use NIL timeout setting on select,
+	test failures sequentially, finishing on the first success.
+
 2023-04-26  Release Manager
 
 	* GCC 13.1.0 released.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b89d81abd12..99c1f4cfe1c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2023-07-03  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc.c-torture/execute/20230630-1.c: New test.
+	* gcc.c-torture/execute/20230630-2.c: Likewise.
+	* gcc.c-torture/execute/20230630-3.c: Likewise
+	* gcc.c-torture/execute/20230630-4.c: Likewise
+
 2023-07-02  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	Backported from master:
diff --git a/libphobos/ChangeLog b/libphobos/ChangeLog
index e96793a419f..96eb3dcda14 100644
--- a/libphobos/ChangeLog
+++ b/libphobos/ChangeLog
@@ -1,3 +1,22 @@
+2023-07-03  Iain Sandoe  <iain@sandoe.co.uk>
+
+	Backported from master:
+	2023-07-02  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* libdruntime/config/aarch64/switchcontext.S: Exclude ELF-
+	specific constructs for Darwin.
+	* libdruntime/config/arm/switchcontext.S: Likewise.
+	* libdruntime/core/thread/fiber.d: Disable switching fibres
+	between threads.
+
+2023-07-03  Iain Sandoe  <iainsandoe@Apollo-3-VM-Lion-0-187.local>
+
+	Backported from master:
+	2023-07-01  Iain Sandoe  <iainsandoe@Apollo-3-VM-Lion-0-187.local>
+
+	PR d/103944
+	* testsuite/libphobos.gc/forkgc2.d: Skip for Darwin.
+
 2023-06-26  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	Backported from master: