Daily bump.

11 files changed, 920 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 02d7a00..b1f5765 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,332 @@
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/99905
+	* combine.c (expand_compound_operation): If pos + len > modewidth,
+	perform the right shift by pos in inner_mode and then convert to mode,
+	instead of trying to simplify a shift of rtx with inner_mode by pos
+	as if it was a shift in mode.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/99830
+	* combine.c (simplify_and_const_int_1): Don't optimize varop
+	away if it has side-effects.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR lto/99849
+	* expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
+	just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/98601
+	* rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
+	not just for BLKmode, but also for VOIDmode.  For STRICT_ALIGNMENT
+	unaligned_mems handle VOIDmode like BLKmode.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/99863
+	* dse.c (replace_read): Drop regs_live argument.  Instead of
+	regs_live, use store_insn->fixed_regs_live if non-NULL,
+	otherwise punt if insns sequence clobbers or sets any hard
+	registers.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/99777
+	* fold-const.c (extract_muldiv_1): For conversions, punt on casts from
+	types other than scalar integral types.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/99334
+	* dwarf2out.h (struct dw_fde_node): Add rule18 member.
+	* dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
+	assignment with drap_reg active, queue reg save for hfp with offset 0
+	and flush queued reg saves.  When handling a push with rule18,
+	defer queueing reg save for hfp and just assert the offset is 0.
+	(scan_trace): Assert that fde->rule18 is false.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/99388
+	* dwarf2out.c (insert_float): Change return type from void to
+	unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
+	(mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
+	Adjust callers.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/93235
+	* expmed.c (store_bit_field_using_insv): Return false of xop0 is a
+	SUBREG and a SUBREG to op_mode can't be created.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/99225
+	* fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
+	to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
+	build_int_cst (..., 1).  Formatting fixes.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/99204
+	* fold-const.c (fold_read_from_constant_string): Check that
+	tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR ipa/99034
+	* tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
+	pad or non-local label, put FORCED_LABELs from bb b after that label
+	rather than before it.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/99079
+	* match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
+	useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check.  Instead
+	require both type and TREE_TYPE (@1) to be integral types and either
+	type having smaller or equal precision, or TREE_TYPE (@1) being
+	unsigned type, or type being signed type.  If TREE_TYPE (@1)
+	doesn't have wrapping overflow, perform the subtraction of one in
+	unsigned type.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99035
+	* varasm.c (declare_weak): For -fsyntax-only, allow even
+	TREE_ASM_WRITTEN function decls.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/99007
+	* gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
+	temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
+	calls.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/97487
+	* ifcvt.c (noce_can_force_operand): New function.
+	(noce_emit_move_insn): Use it.
+	(noce_try_sign_mask): Likewise.  Formatting fix.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/98331
+	* cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
+	a BARRIER.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/98681
+	* config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
+	Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
+	and INTVAL (mask).  Add && INTVAL (mask) > 0 condition.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR testsuite/97301
+	* config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/90248
+	* match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
+	X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
+	simplifications.
+	(X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
+	X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/98556
+	* tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
+	POINTER_DIFF_EXPR to be any integral type.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/98474
+	* wide-int.cc (wi::to_mpz): If wide_int has MSB set, but type
+	is unsigned and excess negative, append set bits after len until
+	precision.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/98353
+	* gimplify.c (gimplify_init_ctor_eval_range): Gimplify value before
+	storing it into cref.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	* gimplify.c (struct gimplify_omp_ctx): Add has_depend member.
+	(gimplify_scan_omp_clauses): Set it to true if OMP_CLAUSE_DEPEND
+	appears on OMP_TASK.
+	(gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Force
+	GOVD_WRITTEN on shared variables if task construct has depend clause.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/98183
+	* omp-low.c (lower_omp_target): Don't add OMP_RETURN for
+	data regions.
+	* omp-expand.c (expand_omp_target): Don't try to remove
+	OMP_RETURN for data regions.
+	(build_omp_regions_1, omp_make_gimple_edges): Don't expect
+	OMP_RETURN for data regions.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/98205
+	* omp-expand.c (expand_omp_for_generic): Fix up broken_loop handling.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/98100
+	* cfgexpand.c (expand_gimple_basic_block): For vars with
+	vector type, use TYPE_MODE rather than DECL_MODE.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	* dwarf2out.c (add_scalar_info): Only use add_AT_wide for 128-bit
+	constants and only in dwarf-5 or later, where DW_FORM_data16 is
+	available.  Otherwise use DW_FORM_block*/DW_FORM_exprloc with
+	DW_OP_implicit_value to describe the constant.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/98063
+	* config/i386/i386.c (ix86_expand_call): Handle non-plt
+	CM_LARGE_PIC calls.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-11-25  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/97599
+	* dwarf2out.c (gen_subprogram_die): Call
+	gen_unspecified_parameters_die even if not early dwarf, but only
+	if subr_die is a newly created DIE.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-11-02  Jakub Jelinek  <jakub@redhat.com>
+
+	* wide-int.cc (wi::set_bit_large): Call canonize unless setting
+	msb bit and clearing bits above it.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-10-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/97386
+	* combine.c (simplify_shift_const_1): Don't optimize nested ROTATEs if
+	they have different modes.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-10-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR sanitizer/97294
+	* tree-cfg.c (move_block_to_fn): Call notice_special_calls on
+	call stmts being moved into dest_cfun.
+	* omp-low.c (lower_rec_input_clauses): Set cfun->calls_alloca when
+	adding __builtin_alloca_with_align call without gimplification.
+
 2021-04-19  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 87bf2ff..7e3f420 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210422
+20210423
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 7eb77fb..7ac4b20 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,13 @@
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/99324
+	* c-common.c (build_va_arg): Call c_common_mark_addressable_vec
+	instead of mark_addressable.  Fix a comment typo -
+	neutrallly -> neutrally.
+
 2020-09-17  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 453582e..6bd489e 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,44 @@
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/99990
+	* c-decl.c (finish_decl): Don't overwrite TREE_TYPE of
+	error_mark_node.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/99588
+	* c-typeck.c (mark_exp_read): Recognize what build_atomic_assign
+	with modifycode NOP_EXPR produces and mark the _Atomic var as read
+	if found.
+	(build_atomic_assign): For modifycode of NOP_EXPR, use COMPOUND_EXPRs
+	rather than STATEMENT_LIST.  Otherwise call mark_exp_read on lhs.
+	Set TREE_SIDE_EFFECTS on the TARGET_EXPR.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/99136
+	* c-typeck.c (c_finish_return): Don't wrap retval into
+	EXCESS_PRECISION_EXPR in functions that return void.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-11-25  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/97958
+	* c-parser.c (c_parser_binary_expression): For omp atomic binary
+	expressions, use make_node instead of build2 to avoid checking build2
+	performs.
+
 2020-09-17  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index dc23cf2..34ecef3 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,131 @@
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99833
+	* pt.c (extract_locals_r): When handling DECL_EXPR of a structured
+	binding, add to data.internal also all corresponding structured
+	binding decls.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99790
+	* cp-gimplify.c (cp_gimplify_expr): Handle PTRMEM_CST.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99745
+	* decl2.c (grokbitfield): Diagnose bitfields containing bare parameter
+	packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99650
+	* decl.c (cp_finish_decomp): Diagnose void initializers when
+	using tuple_element and get.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99613
+	* decl.c (expand_static_init): For thread guards, call __cxa_atexit
+	before calling __cxa_guard_release rather than after it.  Formatting
+	fixes.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/82959
+	* call.c (op_is_ordered): Handle TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR
+	and COMPOUND_EXPR.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/95451
+	* lambda.c (is_lambda_ignored_entity): Before checking for
+	LAMBDA_FUNCTION_P, use OVL_FIRST.  Drop FUNCTION_DECL check.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR sanitizer/99106
+	* init.c (build_zero_init_1): For flexible array members just return
+	NULL_TREE instead of returning empty CONSTRUCTOR with non-complete
+	ARRAY_TYPE.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99033
+	* init.c (build_zero_init_1): Handle zero initialiation of
+	flexible array members like initialization of [0] arrays.
+	Use integer_minus_onep instead of comparison to integer_minus_one_node
+	and integer_zerop instead of comparison against size_zero_node.
+	Formatting fixes.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/97878
+	* decl.c (check_array_initializer): For structured bindings, require
+	the array type to be complete.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/33661
+	PR c++/98847
+	* decl.c (cp_finish_decl): For register vars with asmspec in templates
+	call set_user_assembler_name and set DECL_HARD_REGISTER.
+	* pt.c (tsubst_expr): When instantiating DECL_HARD_REGISTER vars,
+	pass asmspec_tree to cp_finish_decl.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR sanitizer/95693
+	* init.c (build_zero_init_1): Revert the 2018-03-06 change to
+	return build_zero_cst for reference types.
+	* typeck2.c (process_init_constructor_record): Instead call
+	build_zero_cst here during error recovery instead of build_zero_init.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-11-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/97663
+	* parser.c (cp_parser_init_declarator): Don't try to parse
+	C++17 deduction guides if there are any type specifiers even when
+	type is NULL.
+
 2021-04-21  Patrick Palka  <ppalka@redhat.com>
 
 	Backported from master:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4554414..7c08256 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,358 @@
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99833
+	* g++.dg/cpp1z/pr99833.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/99905
+	* gcc.target/i386/pr99905.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/99830
+	* gcc.dg/pr99830.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/99990
+	* gcc.dg/pr99990.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR lto/99849
+	* gcc.dg/lto/pr99849_0.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/98601
+	* gcc.dg/torture/pr98601.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/99863
+	* gcc.target/i386/pr99863.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99790
+	* g++.dg/cpp1z/pr99790.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/99777
+	* g++.dg/torture/pr99777.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99745
+	* g++.dg/cpp0x/variadic181.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99650
+	* g++.dg/cpp1z/decomp55.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/99588
+	* gcc.dg/Wunused-var-5.c: New test.
+	* gcc.dg/Wunused-var-6.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/93235
+	* gcc.target/aarch64/pr93235.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/82959
+	* g++.dg/cpp1z/eval-order10.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/99324
+	* gcc.c-torture/compile/pr99324.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/95451
+	* g++.dg/cpp1y/lambda-generic-95451.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/99225
+	* gcc.c-torture/compile/pr99225.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/99204
+	* gfortran.dg/pr99204.f90: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR ipa/99034
+	* g++.dg/opt/pr99034.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/99136
+	* gcc.dg/pr99136.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR sanitizer/99106
+	* g++.dg/ubsan/pr99106.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/99079
+	* gcc.dg/fold-modpow2-2.c: New test.
+	* gcc.c-torture/execute/pr99079.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99033
+	* g++.dg/ext/flexary38.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/99035
+	* g++.dg/ext/weak6.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/99007
+	* g++.dg/gomp/pr99007.C: New test.
+	* gcc.dg/gomp/pr99007-1.c: New test.
+	* gcc.dg/gomp/pr99007-2.c: New test.
+	* gcc.dg/gomp/pr99007-3.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/97878
+	* g++.dg/cpp1z/decomp54.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/97487
+	* gcc.dg/pr97487-1.c: New test.
+	* gcc.dg/pr97487-2.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/98331
+	* gcc.dg/pr98331.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/33661
+	PR c++/98847
+	* g++.dg/opt/pr98847.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/98681
+	* gcc.c-torture/execute/pr98681.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR sanitizer/95693
+	* g++.dg/ubsan/pr95693.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/90248
+	* gcc.dg/tree-ssa/copy-sign-1.c: Don't expect any copysign
+	builtins.
+	* gcc.dg/pr90248.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/98556
+	* c-c++-common/pr98556.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/98474
+	* gcc.c-torture/execute/pr98474.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/98353
+	* g++.dg/opt/pr98353.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/98183
+	* gcc.dg/gomp/pr98183.c: New test.
+	* gcc.dg/goacc/pr98183.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/98205
+	* c-c++-common/gomp/doacross-4.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/98100
+	* gcc.target/i386/pr98100.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/98063
+	* gcc.target/i386/pr98063.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-11-25  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/97958
+	* c-c++-common/gomp/pr97958.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-11-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/97663
+	* g++.dg/cpp1z/class-deduction75.C: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-10-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/97386
+	* gcc.c-torture/execute/pr97386-1.c: New test.
+	* gcc.c-torture/execute/pr97386-2.c: New test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-10-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR sanitizer/97294
+	* gcc.dg/asan/pr97294.c: New test.
+
 2021-04-21  Patrick Palka  <ppalka@redhat.com>
 
 	Backported from master:
diff --git a/intl/ChangeLog b/intl/ChangeLog
index 98ede28..912572d 100644
--- a/intl/ChangeLog
+++ b/intl/ChangeLog
@@ -1,3 +1,13 @@
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR jit/100096
+	* configure.ac: Add --enable-host-shared support.
+	* Makefile.in: Update copyright.  Add @PICFLAG@ to CFLAGS.
+	* configure: Regenerated.
+
 2020-03-04  Release Manager
 
 	* GCC 8.4.0 released.
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index b09d3a3..da8689e 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,12 @@
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-10-05  Jakub Jelinek  <jakub@redhat.com>
+
+	PR bootstrap/97163
+	* lex.c (search_line_fast): Only use _ARCH_PWR8 Altivec version
+	for GCC >= 4.5.
+
 2020-03-04  Release Manager
 
 	* GCC 8.4.0 released.
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index f79ff6c..1a2f07d 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,10 @@
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
+
+	* testsuite/libgomp.c/task-6.c: New test.
+
 2021-03-25  Thomas Schwinge  <thomas@codesourcery.com>
 
 	Backported from master:
diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog
index 37d9adc..45197cb 100644
--- a/libsanitizer/ChangeLog
+++ b/libsanitizer/ChangeLog
@@ -1,3 +1,13 @@
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR sanitizer/100114
+	* sanitizer_common/sanitizer_posix_libcdep.cc: Cherry-pick
+	llvm-project revisions 82150606fb11d28813ae6da1101f5bda638165fe
+	and b93629dd335ffee2fc4b9b619bf86c3f9e6b0023.
+
 2020-03-04  Release Manager
 
 	* GCC 8.4.0 released.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index d6896b6..bc27bc9 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,23 @@
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libstdc++/99181
+	* testsuite/21_strings/char_traits/requirements/char/99181.cc: New
+	test.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libstdc++/99181
+	* include/bits/char_traits.h (char_traits<char>::compare): For
+	constexpr evaluation don't call
+	__gnu_cxx::char_traits<char_type>::compare but do the comparison loop
+	directly.
+
 2021-04-21  Patrick Palka  <ppalka@redhat.com>
 
 	Backported from master: