diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d00dafc2f335156eb1882b6bc45be73a0ae70b61..fb22cebc30bafa58c6eb4bfbba2fdea083310b6d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,53 @@
+2023-05-19 Nathan Sidwell <nathan@acm.org>
+
+ PR other/99451
+ * opts.h (handle_deferred_dump_options): Declare.
+ * opts-global.cc (handle_common_deferred_options): Do not handle
+ dump options here.
+ (handle_deferred_dump_options): New.
+ * toplev.cc (toplev::main): Call it after plugin init.
+
+2023-05-19 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/riscv/constraints.md (DsS, DsD): Restore agreement
+ with shiftm1 mode attribute.
+
+2023-05-19 Andrew Pinski <apinski@marvell.com>
+
+ PR driver/33980
+ * gcc.cc (default_compilers["@c-header"]): Add %w
+ after the --output-pch.
+
+2023-05-19 Vineet Gupta <vineetg@rivosinc.com>
+
+ * config/riscv/riscv.cc (riscv_split_integer): if loval is equal
+ to hival, ASHIFT the corresponding regs.
+
+2023-05-19 Robin Dapp <rdapp@ventanamicro.com>
+
+ * config/riscv/riscv.cc (riscv_const_insns): Remove else.
+
+2023-05-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/105776
+ * tree-ssa-math-opts.cc (arith_overflow_check_p): If cast_stmt is
+ non-NULL, allow division statement to have a cast as single imm use
+ rather than comparison/condition.
+ (match_arith_overflow): In that case remove the cast stmt in addition
+ to the division statement.
+
+2023-05-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/101856
+ * tree-ssa-math-opts.cc (match_arith_overflow): Pattern detect
+ unsigned __builtin_mul_overflow_p even when umulv4_optab doesn't
+ support it but umul_highpart_optab does.
+
+2023-05-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * varasm.cc (output_constructor_bitfield): Call tree_to_uhwi instead
+ of tree_to_shwi on array indices. Minor tweaks.
+
2023-05-18 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* alias.cc (ref_all_alias_ptr_type_p): Use _P() defines from tree.h.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 69b7e9e68ccd4b19accc0d6b7881673ebb4629ba..3113e73604c8b3c4ff1671b7305c025ad56ba230 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20230519
+20230520
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index ee2f0ce3e3b077ba2433080ae7dd2796fa480dec..df94b8150073138653e9e35e0285e4c47894ab72 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,19 @@
+2023-05-19 Martin Uecker <uecker@tugraz.at>
+
+ * c-decl.cc (set_type_context): Remove.
+ (pop_scope, diagnose_mismatched_decls, pushdecl):
+ Remove dead code.
+ * c-typeck.cc (comptypes_internal): Remove dead code.
+ (same_translation_unit_p): Remove.
+ (tagged_types_tu_compatible_p): Some fixes.
+
+2023-05-19 Joseph Myers <joseph@codesourcery.com>
+
+ * c-decl.cc (diagnose_mismatched_decls): Do not handle
+ thread-local declarations as tentative definitions for C2x.
+ (finish_decl): Do not allow thread-local definition with
+ incomplete type for C2x.
+
2023-05-18 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* c-convert.cc (c_convert): Ditto.
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index ff4b3977d9511f6da3bea2786a499116ee6a926c..999daf21766475246c4eb823deddff887404c61d 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,26 @@
+2023-05-19 Andrew Pinski <apinski@marvell.com>
+
+ PR driver/33980
+ * lang-specs.h ("@c++-header"): Add %w after
+ the --output-pch.
+ ("@c++-system-header"): Likewise.
+ ("@c++-user-header"): Likewise.
+
+2023-05-19 Patrick Palka <ppalka@redhat.com>
+
+ * constraint.cc (normalize_concept_check): Avoid having to do
+ two norm_cache lookups. Remove unnecessary early exit for an
+ ill-formed concept definition.
+
+2023-05-19 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/97340
+ * pt.cc (lookup_and_finish_template_variable): Don't call
+ convert_from_reference.
+ (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Call
+ convert_from_reference on the result of
+ lookup_and_finish_template_variable.
+
2023-05-18 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* call.cc (promoted_arithmetic_type_p): Use _P defines from tree.h.
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index c1f7f0b04f1a59d78da95caff496153be9da6305..f14d770881551511842a5298b5db3e9334ead130 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,11 @@
+2023-05-19 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * expr.cc (gfc_get_corank): Use CLASS_DATA from gfortran.h.
+ * resolve.cc (resolve_component): Same.
+ (resolve_fl_derived0): Same.
+ * simplify.cc (gfc_simplify_extends_type_of): Same.
+ (simplify_cobound): Same.
+
2023-05-18 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* trans-array.cc (is_pointer_array): Use _P() defines from tree.h.
diff --git a/gcc/m2/ChangeLog b/gcc/m2/ChangeLog
index 6e0f38e1b7ae0956105a9d4ce82fca81bacb8be5..1e1de5b7efb70c4baf47f46dad6fd1e614f01e82 100644
--- a/gcc/m2/ChangeLog
+++ b/gcc/m2/ChangeLog
@@ -1,3 +1,8 @@
+2023-05-19 Gaius Mulley <gaiusmod2@gmail.com>
+
+ PR modula2/109908
+ * gm2-libs-iso/Strings.mod (Delete): Re-implement.
+
2023-05-18 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* gm2-gcc/m2builtins.cc (doradix): Use _P defines from tree.h.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e511088127618ecf09fb72dc278c33328284c4fd..ef6ca54abdcc96fdca9ad53b810e30f8de583106 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,53 @@
+2023-05-19 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/97340
+ * g++.dg/cpp1y/var-templ80.C: New test.
+ * g++.dg/cpp1y/var-templ81.C: New test.
+
+2023-05-19 Robin Dapp <rdapp@ventanamicro.com>
+
+ * gcc.target/riscv/rvv/autovec/binop/shift-run.c: Do not include
+ <stdio.h>.
+ * gcc.target/riscv/rvv/autovec/binop/shift-run-template.h: Removed.
+ * gcc.target/riscv/rvv/autovec/binop/vadd-run-template.h: Removed.
+ * gcc.target/riscv/rvv/autovec/binop/vand-run-template.h: Removed.
+ * gcc.target/riscv/rvv/autovec/binop/vdiv-run-template.h: Removed.
+ * gcc.target/riscv/rvv/autovec/binop/vmax-run-template.h: Removed.
+ * gcc.target/riscv/rvv/autovec/binop/vmin-run-template.h: Removed.
+ * gcc.target/riscv/rvv/autovec/binop/vmul-run-template.h: Removed.
+ * gcc.target/riscv/rvv/autovec/binop/vor-run-template.h: Removed.
+ * gcc.target/riscv/rvv/autovec/binop/vrem-run-template.h: Removed.
+ * gcc.target/riscv/rvv/autovec/binop/vsub-run-template.h: Removed.
+ * gcc.target/riscv/rvv/autovec/binop/vxor-run-template.h: Removed.
+
+2023-05-19 Robin Dapp <rdapp@ventanamicro.com>
+
+ * gcc.target/riscv/rvv/autovec/vmv-imm-fixed-rv32.c: New test.
+ * gcc.target/riscv/rvv/autovec/vmv-imm-fixed-rv64.c: New test.
+
+2023-05-19 Gaius Mulley <gaiusmod2@gmail.com>
+
+ PR modula2/109908
+ * gm2/isolib/run/pass/testdelete.mod: New test.
+
+2023-05-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/105776
+ * gcc.target/i386/pr105776.c: New test.
+
+2023-05-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/101856
+ * gcc.dg/tree-ssa/pr101856.c: New test.
+
+2023-05-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gnat.dg/specs/array6.ads: New test.
+
+2023-05-19 Joseph Myers <joseph@codesourcery.com>
+
+ * gcc.dg/c2x-thread-local-2.c: New test.
+
2023-05-18 Uros Bizjak <ubizjak@gmail.com>
* gcc.target/i386/avx512vl-pr95488-1.c: Adjust
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 78aa86c7bc1dff170189bb4cc9cb404358e3bcb6..1d4f3abd8a8151b8e1ded7b9fff9952af0f4a611 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,16 @@
+2023-05-19 Iain Sandoe <iain@sandoe.co.uk>
+
+ * config.host: Arrange to set min Darwin OS versions from
+ the configured host version.
+ * config/darwin10-unwind-find-enc-func.c: Do not use current
+ headers, but declare the nexessary structures locally to the
+ versions in use for Mac OSX 10.6.
+ * config/t-darwin: Amend to handle configured min OS
+ versions.
+ * config/t-darwin-min-1: New.
+ * config/t-darwin-min-5: New.
+ * config/t-darwin-min-8: New.
+
2023-05-15 Thomas Neumann <tneumann@users.sourceforge.net>
* unwind-dw2-fde.c: Fix assert in non-atomic path.
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 8c0ed36fc0567e5c7792463ee854e242a0d5bf3f..4e42e0ca9b901533fdce76d7f673889325a653a3 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,9 @@
+2023-05-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR libgomp/109904
+ * configure.ac (link_gomp): Include also $DL_LIBS.
+ * configure: Regenerated.
+
2023-05-17 Tobias Burnus <tobias@codesourcery.com>
* testsuite/libgomp.fortran/target-enter-data-3.f90: Uncomment
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9a685763986fbf00c3dd92557a69c79b7e5b9eac..f80396b34e84dfde96ad79c62666219decbcaebd 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2023-05-19 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/xml/manual/strings.xml: Move lafstern.org reference to https.
+ * doc/html/manual/strings.html: Regenerate.
+
2023-05-17 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/109883