Daily bump.

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f0016e9445c535309c41f19376a93baebe3a10b2..64743bc0642db82cb9021f2154d87f918c9a590b 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,130 @@
+2020-11-20  Michael Meissner  <meissner@linux.ibm.com>
+
+       * config/rs6000/rs6000-call.c (rs6000_expand_builtin): Add missing
+       XSCMP* cases for IEEE 128-bit long double.
+
+2020-11-20  Jason Merrill  <jason@redhat.com>
+
+       PR c++/97918
+       * dwarf2out.c (dwarf2out_early_finish): flush_limbo_die_list
+       after gen_scheduled_generic_parms_dies.
+
+2020-11-20  Martin Sebor  <msebor@redhat.com>
+
+       PR middle-end/97879
+       * tree-core.h (enum attribute_flags): Add ATTR_FLAG_INTERNAL.
+
+2020-11-20  Jan Hubicka  <jh@suse.cz>
+
+       * ipa-icf-gimple.c (func_checker::hash_operand): Improve hashing of
+       decls.
+
+2020-11-20  Jan Hubicka  <jh@suse.cz>
+
+       * ipa-icf-gimple.c (func_checker::compare_decl): Do not compare types
+       of local variables.
+
+2020-11-20  Nathan Sidwell  <nathan@acm.org>
+
+       * doc/invoke.texi: Replace a couple of @code with @command
+
+2020-11-20  Tamar Christina  <tamar.christina@arm.com>
+
+       * tree-vect-slp.c (vectorizable_slp_permutation): Update types on nodes
+       when needed.
+
+2020-11-20  Richard Biener  <rguenther@suse.de>
+
+       * tree-vect-slp.c (maybe_push_to_hybrid_worklist): New function.
+       (vect_detect_hybrid_slp): Use it.  Perform a backward walk
+       over the IL.
+
+2020-11-20  Richard Biener  <rguenther@suse.de>
+
+       * tree-vect-slp.c (vect_print_slp_tree): Also dump
+       SLP_TREE_REPRESENTATIVE.
+
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR libstdc++/88101
+       * builtins.def (BUILT_IN_CLEAR_PADDING): New built-in function.
+       * gimplify.c (gimplify_call_expr): Rewrite single argument
+       BUILT_IN_CLEAR_PADDING into two-argument variant.
+       * gimple-fold.c (clear_padding_unit, clear_padding_buf_size): New
+       const variables.
+       (struct clear_padding_struct): New type.
+       (clear_padding_flush, clear_padding_add_padding,
+       clear_padding_emit_loop, clear_padding_type,
+       clear_padding_union, clear_padding_real_needs_padding_p,
+       clear_padding_type_may_have_padding_p,
+       gimple_fold_builtin_clear_padding): New functions.
+       (gimple_fold_builtin): Handle BUILT_IN_CLEAR_PADDING.
+       * doc/extend.texi (__builtin_clear_padding): Document.
+
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/97528
+       * config/arm/arm.c (neon_vector_mem_operand): For POST_MODIFY, require
+       first POST_MODIFY operand is a REG and is equal to the first operand
+       of PLUS.
+
+2020-11-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * gimple-ssa-store-merging.c (struct merged_store_group): Add
+       new 'consecutive' field.
+       (merged_store_group): Set it to true.
+       (do_merge): Set it to false if the store is not consecutive and
+       set string_concatenation to false in this case.
+       (merge_into): Call do_merge on entry.
+       (merge_overlapping): Likewise.
+
+2020-11-20  Jan Hubicka  <jh@suse.cz>
+
+       * ipa-icf-gimple.c (func_checker::operand_equal_p): Fix comment.
+
+2020-11-20  Jan Hubicka  <jh@suse.cz>
+
+       * ipa-icf-gimple.c (func_checker::hash_operand): Hash gimple clobber.
+       (func_checker::operand_equal_p): Special case gimple clobber.
+
+2020-11-20  Uroš Bizjak  <ubizjak@gmail.com>
+
+       PR target/97873
+       * config/i386/i386.md (*neg<mode>2_2): Rename from
+       "*neg<mode>2_cmpz".  Use CCGOCmode instead of CCZmode.
+       (*negsi2_zext): Rename from *negsi2_cmpz_zext.
+       Use CCGOCmode instead of CCZmode.
+       (*neg<mode>_ccc_1): New insn pattern.
+       (*neg<dwi>2_doubleword): Use *neg<mode>_ccc_1.
+       (abs<mode>2): Add FLAGS_REG clobber.
+       Use TARGET_CMOVE insn predicate.
+       (*abs<mode>2_1): New insn_and_split pattern.
+       (*absdi2_doubleword): Ditto.
+       (<maxmin:code><mode>3): Use SWI48x mode iterator.
+       (*<maxmin:code><mode>3): Use SWI48 mode iterator.
+       * config/i386/i386-features.c
+       (general_scalar_chain::compute_convert_gain): Handle ABS code.
+       (general_scalar_chain::convert_insn): Ditto.
+       (general_scalar_to_vector_candidate_p): Ditto.
+
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * configure.ac: In SERIAL_LIST use lang words without .serial
+       suffix.  Change $lang.prev from a target to variable and instead
+       of depending on *.serial expand to the *.serial variable if
+       the word is in the SERIAL_LIST at all, otherwise to nothing.
+       * configure: Regenerated.
+
+2020-11-20  Kewen Lin  <linkw@linux.ibm.com>
+
+       * config/rs6000/rs6000.md (p8_mtvsrd_df): Fix insn type.
+
+2020-11-20  Martin Uecker  <muecker@gwdg.de>
+
+       * gimplify.c (gimplify_modify_expr_rhs): Optimizie
+       NOP_EXPRs that contain compound literals.
+
 2020-11-19  Jakub Jelinek  <jakub@redhat.com>
 
        PR tree-optimization/91029

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index e732e26b1c70f2d9753ea1601fa30c51982e16c1..1867e9391c318d9b83df0870d4ae5c4bca81b3c4 100644 (file)
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201120
+20201121

diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 162ca0716ab2a1d1703b9797d55c756b5a2c1584..01c02e3d394451ee1853ac724d9cd99946eacf20 100644 (file)
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,17 @@
+2020-11-20  Maciej W. Rozycki  <macro@linux-mips.org>
+
+       * adaint.c (__gnat_number_of_cpus): Check for the presence of
+       _SC_NPROCESSORS_ONLN rather than a list of OS-specific macros
+       to decide whether to use `sysconf'.
+
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * gcc-interface/Make-lang.in (ada.serial): Change from goal to a
+       variable.
+       (.PHONY): Drop ada.serial and ada.prev.
+       (gnat1$(exeext)): Depend on $(ada.serial) rather than ada.serial.
+
 2020-11-19  Eric Botcazou  <ebotcazou@adacore.com>
 
        PR ada/97805

diff --git a/gcc/brig/ChangeLog b/gcc/brig/ChangeLog
index 170fdf7c4ccaeb1fae3d579a3539c9df2231cb7b..518b13aecbe0641f342ce9952ed56adf81bd2da9 100644 (file)
--- a/gcc/brig/ChangeLog
+++ b/gcc/brig/ChangeLog
@@ -1,3 +1,10 @@
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * Make-lang.in (brig.serial): Change from goal to a variable.
+       (.PHONY): Drop brig.serial and brig.prev.
+       (brig1$(exeext)): Depend on $(brig.serial) rather than brig.serial.
+
 2020-11-18  Jakub Jelinek  <jakub@redhat.com>
 
        * Make-lang.in (brig.serial): New goal.

diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 42c20f01616700544d8612a4818b53b15752f02a..0d1445f454ef0a58f9bc3d0121a7942924d337b7 100644 (file)
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,20 @@
+2020-11-20  Martin Sebor  <msebor@redhat.com>
+
+       * c-warn.c (warn_parm_array_mismatch): Bail on invalid redeclarations
+       with fewer arguments.
+
+2020-11-20  Martin Sebor  <msebor@redhat.com>
+
+       PR middle-end/97879
+       * c-attribs.c (handle_access_attribute): Handle ATTR_FLAG_INTERNAL.
+       Error out on invalid modes.
+
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR libstdc++/88101
+       * c-common.c (check_builtin_function_arguments): Handle
+       BUILT_IN_CLEAR_PADDING.
+
 2020-11-18  Nathan Sidwell  <nathan@acm.org>
 
        * c-lex.c (c_lex_with_flags): CPP_HEADER_NAMEs can now be seen.

diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 36c863680e100dbb997b78167685c156a6243908..c97a9f7c6b445bbb6231c322e3ae59db291509b0 100644 (file)
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,18 @@
+2020-11-20  Martin Sebor  <msebor@redhat.com>
+
+       PR middle-end/97879
+       * c-decl.c (start_function): Set ATTR_FLAG_INTERNAL in flags.
+
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * Make-lang.in (c.serial): Change from goal to a variable.
+       (.PHONY): Drop c.serial.
+
+2020-11-20  Martin Uecker  <muecker@gwdg.de>
+
+       * c-typeck.c (convert_lvalue_to_rvalue): Drop qualifiers.
+
 2020-11-19  Jakub Jelinek  <jakub@redhat.com>
 
        PR c/97860

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index b710170236d0f8398abf753a47e7a19b72c92c26..bc3bbe3b51bd37e0c8aae0e953279f55a8f79ae0 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,10 @@
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * Make-lang.in (c++.serial): Change from goal to a variable.
+       (.PHONY): Drop c++.serial and c++.prev.
+       (cc1plus$(exeext)): Depend on $(c++.serial) rather than c++.serial.
+
 2020-11-19  Nathan Sidwell  <nathan@acm.org>
 
        * cp-tree.h (struct spec_entry): Moved from pt.c.

diff --git a/gcc/d/ChangeLog b/gcc/d/ChangeLog
index 3e23bfeb55dffa9df9390966dca0d845a6abbf15..ae1034e5ee073a0cf0b93b77311ef4b2586edcf8 100644 (file)
--- a/gcc/d/ChangeLog
+++ b/gcc/d/ChangeLog
@@ -1,3 +1,10 @@
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * Make-lang.in (d.serial): Change from goal to a variable.
+       (.PHONY): Drop d.serial and d.prev.
+       (d21$(exeext)): Depend on $(d.serial) rather than d.serial.
+
 2020-11-18  Jakub Jelinek  <jakub@redhat.com>
 
        * Make-lang.in (d.serial): New goal.

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 6e204d3f4a6e0f6fa309c46f377b4aecd07068f2..998ad9c1c0807c81a03cd389e880331e6b3793c1 100644 (file)
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,11 @@
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * Make-lang.in (fortran.serial): Change from goal to a variable.
+       (.PHONY): Drop fortran.serial and fortran.prev.
+       (f951$(exeext)): Depend on $(fortran.serial) rather than
+       fortran.serial.
+
 2020-11-18  Jakub Jelinek  <jakub@redhat.com>
 
        * Make-lang.in (fortran.serial): New goal.

diff --git a/gcc/go/ChangeLog b/gcc/go/ChangeLog
index f7f861f36468dba3092c7d5ebeb44866c9464041..5ed46d6e60c7fccd5ef8cd03116b1fcdff38a3f9 100644 (file)
--- a/gcc/go/ChangeLog
+++ b/gcc/go/ChangeLog
@@ -1,3 +1,10 @@
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * Make-lang.in (go.serial): Change from goal to a variable.
+       (.PHONY): Drop go.serial and go.prev.
+       (go1$(exeext)): Depend on $(go.serial) rather than go.serial.
+
 2020-11-18  Jakub Jelinek  <jakub@redhat.com>
 
        * Make-lang.in (go.serial): New goal.

diff --git a/gcc/jit/ChangeLog b/gcc/jit/ChangeLog
index 7dc02cc6a8ed7721ad3164584df82799e3ae6666..28e33023bfc9f3f19aca5d06b37d45aa9059f080 100644 (file)
--- a/gcc/jit/ChangeLog
+++ b/gcc/jit/ChangeLog
@@ -1,3 +1,12 @@
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * Make-lang.in (jit.serial): Change from goal to a
+       variable.
+       (.PHONY): Drop jit.serial and jit.prev.
+       ($(LIBGCCJIT_FILENAME)): Depend on $(jit.serial) rather than
+       jit.serial.
+
 2020-11-18  Jakub Jelinek  <jakub@redhat.com>
 
        * Make-lang.in (jit.serial): New goal.

diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index e03b949ad0796d6ab4626f6ff9f8175ebe53f2f6..25c90638d30e589714d9ade52ebd3e99af5a74a4 100644 (file)
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,12 @@
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * Make-lang.in (lto1.serial, lto2.serial): Change from goals to
+       variables.
+       (.PHONY): Drop lto1.serial, lto2.serial, lto1.prev and lto2.prev.
+       ($(LTO_EXE)): Depend on $(lto1.serial) rather than lto1.serial.
+       ($(LTO_DUMP_EXE)): Depend on $(lto2.serial) rather than lto2.serial.
+
 2020-11-18  Jerry Clcanny  <a837940593@gmail.com>
 
        * lto-symtab.c (lto_symtab_merge_symbols): Fix typos in comment.

diff --git a/gcc/objc/ChangeLog b/gcc/objc/ChangeLog
index 2b3331c756a0fc538832115030c78ba18d86840c..3e83a4f7cfbe412122f063cd3caa9e496051cdf1 100644 (file)
--- a/gcc/objc/ChangeLog
+++ b/gcc/objc/ChangeLog
@@ -1,3 +1,10 @@
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * Make-lang.in (objc.serial): Change from goal to a variable.
+       (.PHONY): Drop objc.serial and objc.prev.
+       (cc1obj$(exeext)): Depend on $(objc.serial) rather than objc.serial.
+
 2020-11-18  Jakub Jelinek  <jakub@redhat.com>
 
        * Make-lang.in (objc.serial): New goal.

diff --git a/gcc/objcp/ChangeLog b/gcc/objcp/ChangeLog
index b5c98c2e4f3aed24873afa8fdd108db07d8d1cd3..0b257a96e6433d40301034925a0294b8f2b72c2f 100644 (file)
--- a/gcc/objcp/ChangeLog
+++ b/gcc/objcp/ChangeLog
@@ -1,3 +1,11 @@
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/97911
+       * Make-lang.in (obj-c++.serial): Change from goal to a variable.
+       (.PHONY): Drop obj-c++.serial and obj-c++.prev.
+       (cc1objplus$(exeext)): Depend on $(obj-c++.serial) rather than
+       obj-c++.serial.
+
 2020-11-18  Jakub Jelinek  <jakub@redhat.com>
 
        * Make-lang.in (obj-c++.serial): New goal.

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 88fd83d68c197614015053a6c21b4f882c4d764f..db07b73117c1ec3a19cd31f8da6e04a571bd83d1 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,82 @@
+2020-11-20  Michael Meissner  <meissner@linux.ibm.com>
+
+       * gcc.dg/nextafter-2.c: Include math.h.
+
+2020-11-20  Jason Merrill  <jason@redhat.com>
+
+       PR c++/97918
+       * g++.dg/debug/localclass2.C: New test.
+
+2020-11-20  Martin Sebor  <msebor@redhat.com>
+
+       * gcc.dg/attr-access-4.c: New test.
+
+2020-11-20  Martin Sebor  <msebor@redhat.com>
+
+       PR middle-end/97879
+       * gcc.dg/attr-access-3.c: New test.
+
+2020-11-20  Andrew MacLeod  <amacleod@redhat.com>
+
+       * gcc.dg/pr97515.c: Check in ccp2, not evrp.
+
+2020-11-20  Andrea Corallo  <andrea.corallo@arm.com>
+
+       PR target/97727
+       * gcc.target/aarch64/advsimd-intrinsics/bf16_vstN_lane_2.c: Relax
+       regexps.
+
+2020-11-20  Andrea Corallo  <andrea.corallo@arm.com>
+
+       PR target/97726
+       * gcc.target/arm/simd/bf16_vldn_1.c: Relax regexps not to fail on
+       big endian.
+       * gcc.target/arm/simd/vldn_lane_bf16_1.c: Likewise
+       * gcc.target/arm/simd/vmmla_1.c: Add -mfloat-abi=hard flag.
+
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR libstdc++/88101
+       * c-c++-common/builtin-clear-padding-1.c: New test.
+       * c-c++-common/torture/builtin-clear-padding-1.c: New test.
+       * c-c++-common/torture/builtin-clear-padding-2.c: New test.
+       * c-c++-common/torture/builtin-clear-padding-3.c: New test.
+       * c-c++-common/torture/builtin-clear-padding-4.c: New test.
+       * c-c++-common/torture/builtin-clear-padding-5.c: New test.
+       * g++.dg/torture/builtin-clear-padding-1.C: New test.
+       * g++.dg/torture/builtin-clear-padding-2.C: New test.
+       * gcc.dg/builtin-clear-padding-1.c: New test.
+
+2020-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/97528
+       * gcc.target/arm/pr97528.c: New test.
+
+2020-11-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * gnat.dg/opt90a.adb: New test.
+       * gnat.dg/opt90b.adb: Likewise.
+       * gnat.dg/opt90c.adb: Likewise.
+       * gnat.dg/opt90d.adb: Likewise.
+       * gnat.dg/opt90e.adb: Likewise.
+       * gnat.dg/opt90a_pkg.ads: New helper.
+       * gnat.dg/opt90b_pkg.ads: Likewise.
+       * gnat.dg/opt90c_pkg.ads: Likewise.
+       * gnat.dg/opt90d_pkg.ads: Likewise.
+       * gnat.dg/opt90e_pkg.ads: Likewise.
+
+2020-11-20  Uroš Bizjak  <ubizjak@gmail.com>
+
+       PR target/97873
+       * gcc.target/i386/pr97873.c: New test.
+       * gcc.target/i386/pr97873-1.c: New test.
+
+2020-11-20  Martin Uecker  <muecker@gwdg.de>
+
+       * gcc.dg/cond-constqual-1.c: Adapt test.
+       * gcc.dg/lvalue-11.c: New test.
+       * gcc.dg/pr60195.c: Add warning.
+
 2020-11-19  Jakub Jelinek  <jakub@redhat.com>
 
        PR tree-optimization/91029

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 7ebed6461246eba7690cc003d22c3ddb115ce65a..62a6914f68c90c64a75cf8fe2a5eb5610410ef20 100644 (file)
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,8 @@
+2020-11-20  Maciej W. Rozycki  <macro@linux-mips.org>
+
+       * unwind-dw2-fde-dip.c [__OpenBSD__ || __NetBSD__]
+       (USE_PT_GNU_EH_FRAME): Do not define if !TARGET_DL_ITERATE_PHDR.
+
 2020-11-18  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 
        * config/msp430/lib2hw_mul.S (mult64_hw): New.

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 53b2d76cd0561ca14b7fb7a1ce6cc98a28487315..9d92483e309f2859854dad9ef26a2458b0b1328c 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,97 @@
+2020-11-20  Thomas Rodgers  <trodgers@redhat.com>
+
+       * include/Makefile.am (bits_headers): Add new header.
+       * include/Makefile.in: Regenerate.
+       * include/bits/atomic_base.h (__atomic_flag::wait): Define.
+       (__atomic_flag::notify_one): Likewise.
+       (__atomic_flag::notify_all): Likewise.
+       (__atomic_base<_Itp>::wait): Likewise.
+       (__atomic_base<_Itp>::notify_one): Likewise.
+       (__atomic_base<_Itp>::notify_all): Likewise.
+       (__atomic_base<_Ptp*>::wait): Likewise.
+       (__atomic_base<_Ptp*>::notify_one): Likewise.
+       (__atomic_base<_Ptp*>::notify_all): Likewise.
+       (__atomic_impl::wait): Likewise.
+       (__atomic_impl::notify_one): Likewise.
+       (__atomic_impl::notify_all): Likewise.
+       (__atomic_float<_Fp>::wait): Likewise.
+       (__atomic_float<_Fp>::notify_one): Likewise.
+       (__atomic_float<_Fp>::notify_all): Likewise.
+       (__atomic_ref<_Tp>::wait): Likewise.
+       (__atomic_ref<_Tp>::notify_one): Likewise.
+       (__atomic_ref<_Tp>::notify_all): Likewise.
+       (atomic_wait<_Tp>): Likewise.
+       (atomic_wait_explicit<_Tp>): Likewise.
+       (atomic_notify_one<_Tp>): Likewise.
+       (atomic_notify_all<_Tp>): Likewise.
+       * include/bits/atomic_wait.h: New file.
+       * include/bits/atomic_timed_wait.h: New file.
+       * include/bits/semaphore_base.h: New file.
+       * include/std/atomic (atomic<bool>::wait): Define.
+       (atomic<bool>::wait_one): Likewise.
+       (atomic<bool>::wait_all): Likewise.
+       (atomic<_Tp>::wait): Likewise.
+       (atomic<_Tp>::wait_one): Likewise.
+       (atomic<_Tp>::wait_all): Likewise.
+       (atomic<_Tp*>::wait): Likewise.
+       (atomic<_Tp*>::wait_one): Likewise.
+       (atomic<_Tp*>::wait_all): Likewise.
+       * include/std/latch: New file.
+       * include/std/semaphore: New file.
+       * include/std/version: Add __cpp_lib_semaphore and
+       __cpp_lib_latch defines.
+       * testsuite/29_atomics/atomic/wait_notify/bool.cc: New test.
+       * testsuite/29_atomics/atomic/wait_notify/pointers.cc: Likewise.
+       * testsuite/29_atomics/atomic/wait_notify/generic.cc: Liekwise.
+       * testsuite/29_atomics/atomic_flag/wait_notify/1.cc: Likewise.
+       * testsuite/29_atomics/atomic_float/wait_notify.cc: Likewise.
+       * testsuite/29_atomics/atomic_integral/wait_notify.cc: Likewise.
+       * testsuite/29_atomics/atomic_ref/wait_notify.cc: Likewise.
+       * testsuite/30_threads/semaphore/1.cc: New test.
+       * testsuite/30_threads/semaphore/2.cc: Likewise.
+       * testsuite/30_threads/semaphore/least_max_value_neg.cc: Likewise.
+       * testsuite/30_threads/semaphore/try_acquire.cc: Likewise.
+       * testsuite/30_threads/semaphore/try_acquire_for.cc: Likewise.
+       * testsuite/30_threads/semaphore/try_acquire_posix.cc: Likewise.
+       * testsuite/30_threads/semaphore/try_acquire_until.cc: Likewise.
+       * testsuite/30_threads/latch/1.cc: New test.
+       * testsuite/30_threads/latch/2.cc: New test.
+       * testsuite/30_threads/latch/3.cc: New test.
+       * testsuite/util/atomic/wait_notify_util.h: New File.
+
+2020-11-20  François Dumont  <fdumont@gcc.gnu.org>
+
+       PR libstdc++/83938
+       * include/bits/stl_tempbuf.h (get_temporary_buffer): Change __len
+       computation in the loop to avoid truncation.
+       * include/bits/stl_algo.h:
+       (__inplace_merge): Take temporary buffer length from smallest range.
+       (__stable_sort): Limit temporary buffer length.
+       * testsuite/25_algorithms/inplace_merge/1.cc (test4): New.
+       * testsuite/performance/25_algorithms/stable_sort.cc: Test stable_sort
+       under different heap memory conditions.
+       * testsuite/performance/25_algorithms/inplace_merge.cc: New test.
+
+2020-11-20  François Dumont  <fdumont@gcc.gnu.org>
+
+       * include/bits/move.h (_GLIBCXX_FWDREF): New.
+       * include/bits/stl_tree.h: Adapt to use latter.
+       (_Rb_tree<>::_M_clone_node): Add _MoveValue template parameter.
+       (_Rb_tree<>::_M_mbegin): New.
+       (_Rb_tree<>::_M_begin): Use latter.
+       (_Rb_tree<>::_M_copy): Add _MoveValues template parameter.
+       * testsuite/23_containers/map/allocator/move_cons.cc: New test.
+       * testsuite/23_containers/multimap/allocator/move_cons.cc: New test.
+       * testsuite/23_containers/multiset/allocator/move_cons.cc: New test.
+       * testsuite/23_containers/set/allocator/move_cons.cc: New test.
+
+2020-11-20  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/92546
+       * include/std/regex (pmr::smatch, pmr::wsmatch): Declare using
+       underlying __normal_iterator type, not nested typedef
+       basic_string::const_iterator.
+
 2020-11-19  Jonathan Wakely  <jwakely@redhat.com>
 
        PR libstdc++/95989