diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2b0307c69aa..59f0debb811 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2021-08-29  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* config/darwin.c (darwin_libc_has_function): Do not run
+	the checks for x86 or modern Darwin.  Make sure that there
+	is a value set for darwin_macosx_version_min before testing.
+
+2021-08-29  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* config/i386/darwin.h (CLEAR_INSN_CACHE): New.
+
 2021-08-28  Jan Hubicka  <hubicka@ucw.cz>
 
 	* ipa-modref-tree.h (modref_access_node::merge): Break out
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index d8837cd40fb..3734a89f500 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210829
+20210830
diff --git a/gcc/d/ChangeLog b/gcc/d/ChangeLog
index db85ffc7442..1e254c7cee5 100644
--- a/gcc/d/ChangeLog
+++ b/gcc/d/ChangeLog
@@ -1,3 +1,68 @@
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-codegen.cc: Include dmd/module.h.
+	(build_filename_from_loc): New function.
+	(d_assert_call): Rename to...
+	(build_assert_call): ...this.
+	(build_array_bounds_call): Call arrayboundsp variant of the array
+	bounds failure callback.
+	(build_bounds_condition): Rename to...
+	(build_bounds_index_condition): ...this.  Update signature.
+	(build_bounds_slice_condition): New function.
+	(checkaction_trap_p): New function.
+	(d_assert_call): Call assertp variant of assert failure callback.
+	* d-tree.h (class IndexExp): Declare.
+	(class SliceExp): Declare.
+	(build_bounds_condition): Remove.
+	(build_assert_call): Declare.
+	(build_bounds_index_condition): Declare.
+	(build_bounds_slice_condition): Declare.
+	(checkaction_trap_p): Declare.
+	(d_assert_call): Remove.
+	* expr.cc (ExprVisitor::visit(IndexExp *)): Call
+	build_bounds_index_condition.
+	(ExprVisitor::visit(SliceExp *)): Call build_bounds_slice_condition.
+	(ExprVisitor::visit(AssertExp *)): Update setting of libcall.
+	* runtime.cc (enum d_libcall_type): Add LCT_IMMUTABLE_CHARPTR.
+	(get_libcall_type): Handle LCT_IMMUTABLE_CHARPTR.
+	* runtime.def (ASSERT): Rename to...
+	(ASSERTP): ...this.  Update signature.
+	(UNITTEST): Rename to...
+	(UNITTESTP): ...this.  Update signature.
+	(ARRAY_BOUNDS): Rename to...
+	(ARRAYBOUNDSP): ...this.  Updates signature.
+	* toir.cc (IRVisitor::visit(SwitchErrorStatement *)): Update call.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* typeinfo.cc (class TypeInfoVisitor::layout_base): Update comment.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* typeinfo.cc (TypeInfoVisitor::visit(TypeInfoClassDeclaration *)):
+	Use int to store type flags.
+	(TypeInfoVisitor::visit(TypeInfoStructDeclaration *)): Likewise.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* types.cc (TypeVisitor::visit(TypeEnum*)): Get wchar_t type from
+	build_frontend_type.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-convert.cc (convert_for_rvalue): Convert switch statement into if
+	condition.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-builtins.cc (d_init_versions): Use POINTER_SIZE for testing
+	whether to predefine D_LP64.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	PR d/102094
+	* d-codegen.cc (build_frame_type): Set TYPE_CXX_ODR_P.
+
 2021-08-25  Lewis Hyatt  <lhyatt@gmail.com>
 
 	PR other/93067
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1618fde7a46..54b34e7bf4e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,13 @@
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	PR d/102094
+	* gdc.dg/lto/pr102094_0.d: New test.
+
+2021-08-29  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* gcc.dg/analyzer/strndup-1.c: Skip for Darwin versions
+	without strndup support in libc.
+
 2021-08-28  Jan Hubicka  <hubicka@ucw.cz>
 
 	* gcc.dg/tree-ssa/modref-9.c: New test.
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index acfe2083b30..ced7173569d 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,23 @@
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-demangle.c (dlang_identifier): Skip over fake parent manglings.
+	* testsuite/d-demangle-expected: Add tests.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-demangle.c (dlang_parse_arrayliteral): Add 'info' parameter.
+	(dlang_parse_assocarray): Likewise.
+	(dlang_parse_structlit): Likewise.
+	(dlang_value): Likewise.  Handle function literal symbols.
+	(dlang_template_args): Pass 'info' to dlang_value.
+	* testsuite/d-demangle-expected: Add new test.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-demangle.c (dlang_attributes): Handle typeof(*null).
+	(dlang_type): Likewise.  Demangle 'n' as typeof(null).
+	* testsuite/d-demangle-expected: Update tests.
+
 2021-08-23  Iain Sandoe  <iain@sandoe.co.uk>
 
 	* simple-object-mach-o.c (simple_object_mach_o_write_segment):