diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2a639e707e1500370eedc5844abd0f0150a95360..0671f2b91da98499c29ffa63a7b3e1f238b4fdae 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,237 @@
+2020-10-14 Martin Sebor <msebor@redhat.com>
+
+ PR middle-end/97391
+ * builtins.c (gimple_parm_array_size): Peel off one less layer
+ of array types.
+
+2020-10-14 Martin Sebor <msebor@redhat.com>
+
+ PR c/97413
+ * attribs.c (init_attr_rdwr_indices): Unwrap extra list layer.
+
+2020-10-14 Sunil K Pandey <skpgkp2@gmail.com>
+
+ PR target/95483
+ * config/i386/avx2intrin.h (_mm_broadcastsi128_si256): New intrinsics.
+ (_mm_broadcastsd_pd): Ditto.
+ * config/i386/avx512bwintrin.h (_mm512_loadu_epi16): New intrinsics.
+ (_mm512_storeu_epi16): Ditto.
+ (_mm512_loadu_epi8): Ditto.
+ (_mm512_storeu_epi8): Ditto.
+ * config/i386/avx512dqintrin.h (_mm_reduce_round_sd): New intrinsics.
+ (_mm_mask_reduce_round_sd): Ditto.
+ (_mm_maskz_reduce_round_sd): Ditto.
+ (_mm_reduce_round_ss): Ditto.
+ (_mm_mask_reduce_round_ss): Ditto.
+ (_mm_maskz_reduce_round_ss): Ditto.
+ (_mm512_reduce_round_pd): Ditto.
+ (_mm512_mask_reduce_round_pd): Ditto.
+ (_mm512_maskz_reduce_round_pd): Ditto.
+ (_mm512_reduce_round_ps): Ditto.
+ (_mm512_mask_reduce_round_ps): Ditto.
+ (_mm512_maskz_reduce_round_ps): Ditto.
+ * config/i386/avx512erintrin.h
+ (_mm_mask_rcp28_round_sd): New intrinsics.
+ (_mm_maskz_rcp28_round_sd): Ditto.
+ (_mm_mask_rcp28_round_ss): Ditto.
+ (_mm_maskz_rcp28_round_ss): Ditto.
+ (_mm_mask_rsqrt28_round_sd): Ditto.
+ (_mm_maskz_rsqrt28_round_sd): Ditto.
+ (_mm_mask_rsqrt28_round_ss): Ditto.
+ (_mm_maskz_rsqrt28_round_ss): Ditto.
+ (_mm_mask_rcp28_sd): Ditto.
+ (_mm_maskz_rcp28_sd): Ditto.
+ (_mm_mask_rcp28_ss): Ditto.
+ (_mm_maskz_rcp28_ss): Ditto.
+ (_mm_mask_rsqrt28_sd): Ditto.
+ (_mm_maskz_rsqrt28_sd): Ditto.
+ (_mm_mask_rsqrt28_ss): Ditto.
+ (_mm_maskz_rsqrt28_ss): Ditto.
+ * config/i386/avx512fintrin.h (_mm_mask_sqrt_sd): New intrinsics.
+ (_mm_maskz_sqrt_sd): Ditto.
+ (_mm_mask_sqrt_ss): Ditto.
+ (_mm_maskz_sqrt_ss): Ditto.
+ (_mm_mask_scalef_sd): Ditto.
+ (_mm_maskz_scalef_sd): Ditto.
+ (_mm_mask_scalef_ss): Ditto.
+ (_mm_maskz_scalef_ss): Ditto.
+ (_mm_mask_cvt_roundsd_ss): Ditto.
+ (_mm_maskz_cvt_roundsd_ss): Ditto.
+ (_mm_mask_cvt_roundss_sd): Ditto.
+ (_mm_maskz_cvt_roundss_sd): Ditto.
+ (_mm_mask_cvtss_sd): Ditto.
+ (_mm_maskz_cvtss_sd): Ditto.
+ (_mm_mask_cvtsd_ss): Ditto.
+ (_mm_maskz_cvtsd_ss): Ditto.
+ (_mm512_cvtsi512_si32): Ditto.
+ (_mm_cvtsd_i32): Ditto.
+ (_mm_cvtss_i32): Ditto.
+ (_mm_cvti32_sd): Ditto.
+ (_mm_cvti32_ss): Ditto.
+ (_mm_cvtsd_i64): Ditto.
+ (_mm_cvtss_i64): Ditto.
+ (_mm_cvti64_sd): Ditto.
+ (_mm_cvti64_ss): Ditto.
+ * config/i386/avx512vlbwintrin.h (_mm256_storeu_epi8): New intrinsics.
+ (_mm_storeu_epi8): Ditto.
+ (_mm256_loadu_epi16): Ditto.
+ (_mm_loadu_epi16): Ditto.
+ (_mm256_loadu_epi8): Ditto.
+ (_mm_loadu_epi8): Ditto.
+ (_mm256_storeu_epi16): Ditto.
+ (_mm_storeu_epi16): Ditto.
+ * config/i386/avx512vlintrin.h (_mm256_load_epi64): New intrinsics.
+ (_mm_load_epi64): Ditto.
+ (_mm256_load_epi32): Ditto.
+ (_mm_load_epi32): Ditto.
+ (_mm256_store_epi32): Ditto.
+ (_mm_store_epi32): Ditto.
+ (_mm256_loadu_epi64): Ditto.
+ (_mm_loadu_epi64): Ditto.
+ (_mm256_loadu_epi32): Ditto.
+ (_mm_loadu_epi32): Ditto.
+ (_mm256_mask_cvt_roundps_ph): Ditto.
+ (_mm256_maskz_cvt_roundps_ph): Ditto.
+ (_mm_mask_cvt_roundps_ph): Ditto.
+ (_mm_maskz_cvt_roundps_ph): Ditto.
+ * config/i386/avxintrin.h (_mm256_cvtsi256_si32): New intrinsics.
+ * config/i386/emmintrin.h (_mm_loadu_si32): New intrinsics.
+ (_mm_loadu_si16): Ditto.
+ (_mm_storeu_si32): Ditto.
+ (_mm_storeu_si16): Ditto.
+ * config/i386/i386-builtin-types.def
+ (V8DF_FTYPE_V8DF_INT_V8DF_UQI_INT): Add new type.
+ (V16SF_FTYPE_V16SF_INT_V16SF_UHI_INT): Ditto.
+ (V4SF_FTYPE_V4SF_V2DF_V4SF_UQI_INT): Ditto.
+ (V2DF_FTYPE_V2DF_V4SF_V2DF_UQI_INT): Ditto.
+ * config/i386/i386-builtin.def
+ (__builtin_ia32_cvtsd2ss_mask_round): New builtin.
+ (__builtin_ia32_cvtss2sd_mask_round): Ditto.
+ (__builtin_ia32_rcp28sd_mask_round): Ditto.
+ (__builtin_ia32_rcp28ss_mask_round): Ditto.
+ (__builtin_ia32_rsqrt28sd_mask_round): Ditto.
+ (__builtin_ia32_rsqrt28ss_mask_round): Ditto.
+ (__builtin_ia32_reducepd512_mask_round): Ditto.
+ (__builtin_ia32_reduceps512_mask_round): Ditto.
+ (__builtin_ia32_reducesd_mask_round): Ditto.
+ (__builtin_ia32_reducess_mask_round): Ditto.
+ * config/i386/i386-expand.c
+ (ix86_expand_round_builtin): Expand round builtin for new type.
+ (V8DF_FTYPE_V8DF_INT_V8DF_UQI_INT)
+ (V16SF_FTYPE_V16SF_INT_V16SF_UHI_INT)
+ (V4SF_FTYPE_V4SF_V2DF_V4SF_UQI_INT)
+ (V2DF_FTYPE_V2DF_V4SF_V2DF_UQI_INT)
+ * config/i386/mmintrin.h ()
+ Define datatype __m32 and __m16.
+ Define datatype __m32_u and __m16_u.
+ * config/i386/sse.md: Adjust pattern.
+ (<mask_codefor>reducep<mode><mask_name><round_saeonly_name>): Adjust.
+ (reduces<mode><mask_scalar_name><round_saeonly_scalar_name>): Ditto.
+ (sse2_cvtsd2ss<mask_name><round_name>): Ditto.
+ (sse2_cvtss2sd<mask_name><round_saeonly_name>): Ditto.
+ (avx512er_vmrcp28<mode><mask_name><round_saeonly_name>): Ditto.
+ (avx512er_vmrsqrt28<mode><mask_name><round_saeonly_name>): Ditto.
+
+2020-10-14 Olivier Hainque <hainque@adacore.com>
+
+ * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Fix
+ the VX_CPU selection for -mcpu=xscale on arm-vxworks.
+
+2020-10-14 Olivier Hainque <hainque@adacore.com>
+
+ * config/rs6000/vxworks.h (TARGET_OS_CPP_BUILTINS): Accommodate
+ expectations from different versions of VxWorks, for 32 or 64bit
+ configurations.
+
+2020-10-14 Olivier Hainque <hainque@adacore.com>
+
+ * config/vxworks.h: #undef CPLUSPLUS_CPP_SPEC.
+
+2020-10-14 Olivier Hainque <hainque@adacore.com>
+
+ * config/t-vxworks: Adjust the VxWorks alternative LIMITS_H guard
+ for glimits.h, make it both closer to the previous one and easier to
+ search for.
+
+2020-10-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/97387
+ * config/i386/i386.md (CC_CCC): New mode iterator.
+ (*setcc_qi_addqi3_cconly_overflow_1_<mode>): New
+ define_insn_and_split.
+ * config/i386/i386.c (ix86_cc_mode): Return CCCmode
+ for *setcc_qi_addqi3_cconly_overflow_1_<mode> pattern operands.
+ (ix86_rtx_costs): Return true and *total = 0;
+ for *setcc_qi_addqi3_cconly_overflow_1_<mode> pattern. Use op0 and
+ op1 temporaries to simplify COMPARE checks.
+
+2020-10-14 Aldy Hernandez <aldyh@redhat.com>
+
+ PR tree-optimization/97396
+ * gimple-range.cc (gimple_ranger::range_of_phi): Do not call
+ range_of_ssa_name_with_loop_info with the loop tree root.
+
+2020-10-14 Richard Biener <rguenther@suse.de>
+
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Split out
+ test for compatible operand types.
+
+2020-10-14 Olivier Hainque <hainque@adacore.com>
+
+ * config/vxworks.c (vxworks_override_options): Guard pic checks with
+ flag_pic > 0 instead of just flag_pic.
+
+2020-10-14 Jan Hubicka <hubicka@ucw.cz>
+
+ * ipa-fnsummary.c (remap_edge_summaries): Make offset_map HOST_WIDE_INT.
+ (remap_freqcounting_predicate): Likewise.
+ (ipa_merge_fn_summary_after_inlining): Likewise.
+ * ipa-predicate.c (predicate::remap_after_inlining): Likewise
+ * ipa-predicate.h (remap_after_inlining): Update.
+
+2020-10-14 Jan Hubicka <jh@suse.cz>
+
+ * ipa-modref.c (compute_parm_map): Handle POINTER_PLUS_EXPR in
+ PASSTHROUGH.
+
+2020-10-14 Richard Biener <rguenther@suse.de>
+
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Move
+ check for duplicate/interleave of variable size constants
+ to a place done once and early.
+ (vect_build_slp_tree_2): Adjust heuristics when to build
+ a BB SLP node from scalars.
+
+2020-10-14 Tom de Vries <tdevries@suse.de>
+
+ * tracer.c (cached_can_duplicate_bb_p, analyze_bb): Use
+ can_duplicate_block_p.
+ (can_duplicate_insn_p, can_duplicate_bb_no_insn_iter_p)
+ (can_duplicate_bb_p): Move and merge ...
+ * tree-cfg.c (gimple_can_duplicate_bb_p): ... here.
+
+2020-10-14 Jan Hubicka <hubicka@ucw.cz>
+
+ * doc/invoke.texi: (ipa-jump-function-lookups): Document param.
+ * ipa-modref.c (merge_call_side_effects): Use
+ unadjusted_ptr_and_unit_offset.
+ * ipa-prop.c (unadjusted_ptr_and_unit_offset): New function.
+ * ipa-prop.h (unadjusted_ptr_and_unit_offset): Declare.
+ * params.opt: (-param-ipa-jump-function-lookups): New.
+
+2020-10-14 Jan Hubicka <jh@suse.cz>
+
+ PR bootstrap/97350
+ * ipa-modref.c (ignore_edge): Do not ignore inlined edes.
+ (ipa_merge_modref_summary_after_inlining): Improve debug output and
+ fix parameter of ignore_stores_p.
+
+2020-10-14 Kito Cheng <kito.cheng@sifive.com>
+
+ PR target/96759
+ * expr.c (expand_assignment): Handle misaligned stores with PARALLEL
+ value.
+
2020-10-13 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/97386
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 7516298d9d2a498db9d5687a9c600e5cbf4f2c20..630766919dac075cc3122e584622a657614c8a7f 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201014
+20201015
diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index 5930954dfcc72a2e0155c08fc17b2172848baee6..b6855e8d7550d5b3c6e3025bb85233384d8b60a0 100644
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,19 @@
+2020-10-14 David Malcolm <dmalcolm@redhat.com>
+
+ PR analyzer/93388
+ * region-model.cc (region_model::get_initial_value_for_global):
+ Fall back to returning an initial_svalue if
+ decl_region::get_svalue_for_initializer fails.
+ * region.cc (decl_region::get_svalue_for_initializer): Don't
+ attempt to create a compound_svalue if the region has an unknown
+ size.
+
+2020-10-14 David Malcolm <dmalcolm@redhat.com>
+
+ PR analyzer/93723
+ * store.cc (binding_map::apply_ctor_to_region): Remove redundant
+ assertion.
+
2020-10-12 David Malcolm <dmalcolm@redhat.com>
PR analyzer/97258
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 98895552e303ec077d35f9148b763f2b3795d2b8..f711a2908dff937d7b5d3a6944a2667f2990b274 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,9 @@
+2020-10-14 Martin Sebor <msebor@redhat.com>
+
+ PR c/97413
+ * c-attribs.c (build_attr_access_from_parms): Wrap chain of VLA
+ bounds in an extra list.
+
2020-10-05 Richard Biener <rguenther@suse.de>
Jakub Jelinek <jakub@redhat.com>
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 0fb4795f70b51ae45763fa5efc7c830c0728746e..986097a1813d110345e90d18df51e2f1d9934f13 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,43 @@
+2020-10-14 Jason Merrill <jason@redhat.com>
+
+ PR c++/97358
+ * pt.c (check_for_bare_parameter_packs): Diagnose use of
+ capture pack.
+
+2020-10-14 Nathan Sidwell <nathan@acm.org>
+
+ * cp-tree.h (struct lang_decl_fn): Adjust context comment.
+ (DECL_FRIEND_P): Replace with ...
+ (DECL_UNIQUE_FRIEND_P): ... this. Only for FUNCTION_DECLs.
+ (DECL_FRIEND_CONTEXT): Adjust.
+ * class.c (add_implicitly_declared_members): Detect friendly
+ spaceship from context.
+ * constraint.cc (remove_constraints): Use a checking assert.
+ (maybe_substitute_reqs_for): Use DECL_UNIQUE_FRIEND_P.
+ * decl.c (check_no_redeclaration_friend_default_args):
+ DECL_UNIQUE_FRIEND_P is signficant, not hiddenness.
+ (duplicate_decls): Adjust DECL_UNIQUE_FRIEND_P clearing.
+ (redeclaration_error_message): Use DECL_UNIQUE_FRIEND_P.
+ (start_preparsed_function): Correct in-class friend processing.
+ Refactor some initializers.
+ (grokmethod): Directly check friend decl-spec.
+ * decl2.c (grokfield): Check DECL_UNIQUE_FRIEND_P.
+ * friend.c (do_friend): Set DECL_UNIQUE_FRIEND_P first, remove
+ extraneous conditions. Don't re set it afterwards.
+ * name-lookup.c (lookup_elaborated_type_1): Simplify revealing
+ code.
+ (do_pushtag): Likewise.
+ * pt.c (optimize_specialization_lookup_p): Check
+ DECL_UNIQUE_FRIEND_P.
+ (push_template_decl): Likewise. Drop unneeded friend setting.
+ (type_dependent_expression_p): Check DECL_UNIQUE_FRIEND_P.
+
+2020-10-14 Nathan Sidwell <nathan@acm.org>
+
+ * name-lookup.c (push_local_extern_decl_alias): Push into alias's
+ namespace and use pushdecl.
+ (do_pushdecl_with_scope): Clarify behaviour.
+
2020-10-12 Martin Sebor <msebor@redhat.com>
PR c++/97201
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 18985fed4f02312bfe5846499ad4285a158b2d6a..9f12252fa3d715a36ad5ff9a503e1c9fb40aabd6 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,25 @@
+2020-10-14 Tobias Burnus <tobias@codesourcery.com>
+
+ PR fortran/97390
+ * scanner.c (load_line): Fix line-truncation warning for !$acc
+ and !gcc$ in free-form source code.
+
+2020-10-14 Steven G. Kargl <kargl@gcc.gnu.org>
+ Mark Eggleston <markeggleston@gcc.gnu.org>
+
+ PR fortran/95614
+ * decl.c (gfc_get_common): Use gfc_match_common_name instead
+ of match_common_name.
+ * decl.c (gfc_bind_idents): Use gfc_match_common_name instead
+ of match_common_name.
+ * match.c : Rename match_common_name to gfc_match_common_name.
+ * match.c (gfc_match_common): Use gfc_match_common_name instead
+ of match_common_name.
+ * match.h : Rename match_common_name to gfc_match_common_name.
+ * resolve.c (resolve_common_vars): Check each symbol in a
+ common block has a global symbol. If there is a global symbol
+ issue an error if the symbol type is a module or a program.
+
2020-10-12 Mark Eggleston <markeggleston@gcc.gnu.org>
PR fortran/96099
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a482ef254153ec90365e6267648bfa9abc796582..e99aded219326fd4e3ab4abede8bb6f9d8843590 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,132 @@
+2020-10-14 Martin Sebor <msebor@redhat.com>
+
+ PR middle-end/97391
+ * gcc.dg/Warray-bounds-68.c: New test.
+
+2020-10-14 Martin Sebor <msebor@redhat.com>
+
+ PR c/97413
+ * gcc.dg/Wvla-parameter-8.c: New test.
+
+2020-10-14 Tom de Vries <tdevries@suse.de>
+
+ * lib/target-supports.exp (check_compile): Save and restore
+ $compiler_flags when calling ${tool}_target_compile.
+
+2020-10-14 David Malcolm <dmalcolm@redhat.com>
+
+ PR analyzer/93388
+ * gcc.dg/analyzer/data-model-21.c: New test.
+
+2020-10-14 David Malcolm <dmalcolm@redhat.com>
+
+ PR analyzer/97394
+ * gcc.dg/analyzer/setjmp-pr93378.c: Use test-setjmp.h rather than
+ <setjmp.h>.
+ * gcc.dg/analyzer/sigsetjmp-5.c: Likewise.
+ * gcc.dg/analyzer/sigsetjmp-6.c: Likewise.
+ * gcc.dg/analyzer/test-setjmp.h: Don't include <setjmp.h>.
+ Provide decls of jmp_buf, sigjmp_buf, setjmp, sigsetjmp,
+ longjmp, and siglongjmp.
+
+2020-10-14 Jason Merrill <jason@redhat.com>
+
+ PR c++/97358
+ * g++.dg/cpp0x/lambda/lambda-variadic11.C: New test.
+
+2020-10-14 Sunil K Pandey <skpgkp2@gmail.com>
+
+ PR target/95483
+ * gcc.target/i386/avx-1.c: Add test.
+ * gcc.target/i386/avx2-vbroadcastsi128-1.c: Ditto.
+ * gcc.target/i386/avx2-vbroadcastsi128-2.c: Ditto.
+ * gcc.target/i386/avx512bw-vmovdqu16-1.c: Ditto.
+ * gcc.target/i386/avx512bw-vmovdqu8-1.c: Ditto.
+ * gcc.target/i386/avx512dq-vreducesd-1.c: Ditto.
+ * gcc.target/i386/avx512dq-vreducesd-2.c: Ditto.
+ * gcc.target/i386/avx512dq-vreducess-1.c: Ditto.
+ * gcc.target/i386/avx512dq-vreducess-2.c: Ditto.
+ * gcc.target/i386/avx512er-vrcp28sd-1.c: Ditto.
+ * gcc.target/i386/avx512er-vrcp28sd-2.c: Ditto.
+ * gcc.target/i386/avx512er-vrcp28ss-1.c: Ditto.
+ * gcc.target/i386/avx512er-vrcp28ss-2.c: Ditto.
+ * gcc.target/i386/avx512er-vrsqrt28sd-1.c: Ditto.
+ * gcc.target/i386/avx512er-vrsqrt28sd-2.c: Ditto.
+ * gcc.target/i386/avx512er-vrsqrt28ss-1.c: Ditto.
+ * gcc.target/i386/avx512er-vrsqrt28ss-2.c: Ditto.
+ * gcc.target/i386/avx512f-vcvtsd2si-1.c: Ditto.
+ * gcc.target/i386/avx512f-vcvtsd2si64-1.c: Ditto.
+ * gcc.target/i386/avx512f-vcvtsd2ss-1.c: Ditto.
+ * gcc.target/i386/avx512f-vcvtsi2sd64-1.c: Ditto.
+ * gcc.target/i386/avx512f-vcvtsi2ss-1.c: Ditto.
+ * gcc.target/i386/avx512f-vcvtsi2ss64-1.c: Ditto.
+ * gcc.target/i386/avx512f-vcvtss2sd-1.c: Ditto.
+ * gcc.target/i386/avx512f-vcvtss2si-1.c: Ditto.
+ * gcc.target/i386/avx512f-vcvtss2si64-1.c: Ditto.
+ * gcc.target/i386/avx512f-vscalefsd-1.c: Ditto.
+ * gcc.target/i386/avx512f-vscalefsd-2.c: Ditto.
+ * gcc.target/i386/avx512f-vscalefss-1.c: Ditto.
+ * gcc.target/i386/avx512f-vscalefss-2.c: Ditto.
+ * gcc.target/i386/avx512f-vsqrtsd-1.c: Ditto.
+ * gcc.target/i386/avx512f-vsqrtsd-2.c: Ditto.
+ * gcc.target/i386/avx512f-vsqrtss-1.c: Ditto.
+ * gcc.target/i386/avx512f-vsqrtss-2.c: Ditto.
+ * gcc.target/i386/avx512vl-vmovdqa32-1.c: Ditto.
+ * gcc.target/i386/avx512vl-vmovdqa64-1.c: Ditto.
+ * gcc.target/i386/sse-13.c: Ditto.
+ * gcc.target/i386/sse-23.c: Ditto.
+ * gcc.target/i386/avx512dq-vreducepd-3.c: New test.
+ * gcc.target/i386/avx512dq-vreducepd-4.c: New test.
+ * gcc.target/i386/avx512dq-vreduceps-3.c: New test.
+ * gcc.target/i386/avx512dq-vreduceps-4.c: New test.
+ * gcc.target/i386/avx512f-vcvtsi2sd-1.c: New test.
+ * gcc.target/i386/pr95483-1.c: New test.
+ * gcc.target/i386/pr95483-2.c: New test.
+ * gcc.target/i386/pr95483-3.c: New test.
+ * gcc.target/i386/pr95483-4.c: New test.
+ * gcc.target/i386/pr95483-5.c: New test.
+ * gcc.target/i386/pr95483-6.c: New test.
+ * gcc.target/i386/pr95483-7.c: New test.
+
+2020-10-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/97387
+ * gcc.target/i386/pr97387-1.c: New test.
+ * gcc.target/i386/pr97387-2.c: New test.
+
+2020-10-14 Aldy Hernandez <aldyh@redhat.com>
+
+ * gcc.dg/pr97396.c: New test.
+
+2020-10-14 Jan Hubicka <jh@suse.cz>
+
+ * gcc.dg/ipa/modref-1.c: New test.
+ * gcc.dg/tree-ssa/modref-4.c: New test.
+
+2020-10-14 Tobias Burnus <tobias@codesourcery.com>
+
+ PR fortran/97390
+ * gfortran.dg/goacc/warn_truncated.f90: New test.
+
+2020-10-14 Nathan Sidwell <nathan@acm.org>
+
+ * g++.dg/lookup/extern-redecl2.C: New.
+
+2020-10-14 Steven G. Kargl <kargl@gcc.gnu.org>
+ Mark Eggleston <markeggleston@gcc.gnu.org>
+
+ PR fortran/95614
+ * gfortran.dg/pr95614_1.f90: New test.
+ * gfortran.dg/pr95614_2.f90: New test.
+ * gfortran.dg/pr95614_3.f90: New test.
+ * gfortran.dg/pr95614_4.f90: New test.
+
+2020-10-14 Kito Cheng <kito.cheng@sifive.com>
+
+ PR target/96759
+ * g++.target/riscv/pr96759.C: New.
+ * gcc.target/riscv/pr96759.c: New.
+
2020-10-13 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/97386
diff --git a/libcc1/ChangeLog b/libcc1/ChangeLog
index 0a98c8666ab87ad95083df3c5699c14ee3ad3748..804941e883be324db6f70a2b98eab1eb43f0d770 100644
--- a/libcc1/ChangeLog
+++ b/libcc1/ChangeLog
@@ -1,3 +1,7 @@
+2020-10-14 Nathan Sidwell <nathan@acm.org>
+
+ * libcp1plugin.cc (plugin_add_friend): Set DECL_UNIQUE_FRIEND_P.
+
2020-10-07 Nathan Sidwell <nathan@acm.org>
* libcp1plugin.cc (supplement_binding): Rename
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 83332b74e57343324d79c60ab0c4b9e9f9e82fb9..d96a68e5bfa33143e4e0e13e841b2a1bb5bd21d9 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,28 @@
+2020-10-14 Alexandre Oliva <oliva@adacore.com>
+
+ * config/gthr-vxworks-thread.c: Include stdlib.h.
+ (tls_delete_hook): Prototype it.
+ (__gthread_cond_signal): Return early if no waiters. Consume
+ signal in case the semaphore got full. Use semInfoGet instead
+ of kernel-mode-only semInfo.
+ (__gthread_cond_timedwait): Use semExchange. Always take the
+ mutex again before returning.
+ * config/gthr-vxworks-cond.c (__ghtread_cond_wait): Likewise.
+
+2020-10-14 Olivier Hainque <hainque@adacore.com>
+
+ * config/t-vxworks (LIBGCC2_INCLUDES): Append
+ $(MULTISUBDIR) to the -I path for fixed headers, as we
+ arrange to have different sets of such headers for different
+ multilibs when they are activated.
+ * config/t-vxworks7: Likewise.
+
+2020-10-14 Olivier Hainque <hainque@adacore.com>
+
+ * config/t-vxworks: Add include-fixed to include search
+ paths for libgcc on VxWorks.
+ * config/t-vxworks7: Likewise.
+
2020-10-09 H.J. Lu <hjl.tools@gmail.com>
PR target/97148
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index b363103d1fe9208c056d990a231ae33313376d75..8a6752559e9292cc0f12e8513c5a5f05d99d6d2c 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,7 @@
+2020-10-14 Jakub Jelinek <jakub@redhat.com>
+
+ * libgomp.texi (omp_get_supported_active_levels): Fix a typo.
+
2020-10-13 Kwok Cheung Yeung <kcy@codesourcery.com>
* env.c (gomp_max_active_levels_var): Initialize to
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 2f084e09f5e31c8f758823458b32bd350a6eca28..9eff4471429eb0702e4a90b32046e03f81369767 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,89 @@
+2020-10-14 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/97415
+ * include/std/sstream (basic_stringbuf::str()): Check for
+ null egptr() before comparing to non-null pptr().
+
+2020-10-14 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/21_strings/basic_string/modifiers/assign/char/move_assign_optim.cc:
+ Do not generate debug info.
+ * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/move_assign_optim.cc:
+ Likewise.
+
+2020-10-14 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/basic_string.h (basic_string(const Alloc&))
+ (basic_string(const basic_string&)
+ (basic_string(const CharT*, size_type, const Alloc&))
+ (basic_string(const CharT*, const Alloc&))
+ (basic_string(size_type, CharT, const Alloc&))
+ (basic_string(initializer_list<CharT>, const Alloc&))
+ (basic_string(InputIterator, InputIterator, const Alloc&)):
+ Define inline in class body.
+ * include/bits/basic_string.tcc (basic_string(const Alloc&))
+ (basic_string(const basic_string&)
+ (basic_string(const CharT*, size_type, const Alloc&))
+ (basic_string(const CharT*, const Alloc&))
+ (basic_string(size_type, CharT, const Alloc&))
+ (basic_string(initializer_list<CharT>, const Alloc&))
+ (basic_string(InputIterator, InputIterator, const Alloc&)):
+ Move definitions into class body.
+
+2020-10-14 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/lib/libstdc++.exp (check_effective_target_cxx11-abi):
+ Add comments about which test flags get used by the check.
+
+2020-10-14 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/21_strings/basic_string/allocator/char/copy.cc: Make
+ comment more precise about what isn't supported by COW strings.
+ * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/char/move.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/char/noexcept.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/char/swap.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/wchar_t/move.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc:
+ Likewise.
+
+2020-10-14 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/21_strings/basic_string/allocator/char/minimal.cc:
+ Do not require cxx11-abi effective target.
+ * testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc:
+ Likewise.
+ * testsuite/27_io/basic_fstream/cons/base.cc: Likewise.
+
+2020-10-14 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
+ (basic_string(const _CharT*, const _Alloc&)): Constrain to
+ require an allocator-like type to fix CTAD ambiguity (LWG 3706).
+ * testsuite/21_strings/basic_string/cons/char/deduction.cc:
+ Remove dg-skip-if.
+ * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
+ Likewise.
+
2020-10-13 Nuno Lopes <nuno.lopes@ist.utl.pt>
* include/bits/stl_algo.h (any_of): Fix incorrect description