diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 23a703bf78f..63328e218b2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,18 @@
+2021-02-27  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* config/host-darwin.c (darwin_gt_pch_use_address): Modify
+	diagnostic message to avoid use of a contraction and format
+	warning.
+
+2021-02-27  Jakub Jelinek  <jakub@redhat.com>
+
+	PR other/99288
+	* gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
+	HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
+	* ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
+	HOST_WIDE_INT_PRINT_DEC in inform format string.  Fix comment
+	typos.
+
 2021-02-26  Richard Biener  <rguenther@suse.de>
 
 	PR middle-end/99281
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 72828d4af81..e3dfd68aee8 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210227
+20210228
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index b5c05426c13..9f80dde6281 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2021-02-27  Jason Merrill  <jason@redhat.com>
+
+	PR c++/90333
+	* parser.c (cp_parser_lambda_declarator_opt): Accept GNU attributes
+	between () and ->.
+
 2021-02-26  Jakub Jelinek  <jakub@redhat.com>
 
 	* parser.c (cp_parser_lambda_declarator_opt): Implement
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 414fd7b482c..ff8fc6558d4 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2021-02-27  Jason Merrill  <jason@redhat.com>
+
+	PR c++/90333
+	* g++.dg/ext/attr-lambda3.C: New test.
+
 2021-02-26  Alexandre Oliva  <oliva@gnu.org>
 
 	* gcc.target/powerpc/pr67789.c: Revert fpic target requirement
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 7948d093863..4f031614d80 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,8 @@
+2021-02-27  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* testsuite/libgomp.c-c++-common/pr96390.c: Require alias
+	support from the target.
+
 2021-02-25  Kwok Cheung Yeung  <kcy@codesourcery.com>
 	    Jakub Jelinek  <jakub@redhat.com>
 
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 2df8f703a04..eed8d844c6d 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,10 @@
+2021-02-27  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/99301
+	* include/std/chrono (year_month_day::_M_days_since_epoch()):
+	Convert chrono::month and chrono::day to unsigned before
+	converting to uint32_t.
+
 2021-02-25  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/std/chrono (year_month_day::_S_from_days): Perform