Daily bump.

9 files changed, 455 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2e912a7..6267b7a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,276 @@
+2022-05-24  Eugene Rozenfeld  <erozen@microsoft.com>
+
+	* tree-vect-loop-manip.cc (vect_do_peeling): Save/restore profile
+	counts for the epilog loop.
+
+2022-05-24  Martin Sebor  <msebor@redhat.com>
+	    Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/105604
+	* gimple-ssa-sprintf.cc (set_aggregate_size_and_offset): Add comments.
+	(get_origin_and_offset_r): Remove null handling.  Handle variable array
+	sizes.
+	(get_origin_and_offset): Handle null argument here.  Simplify.
+	(alias_offset): Update comment.
+	* pointer-query.cc (field_at_offset): Update comment.  Handle members
+	of variable-length types.
+
+2022-05-24  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
+
+	* target.def (vec_perm_const): Define new parameter op_mode and
+	update doc.
+	* doc/tm.texi: Regenerate.
+	* config/aarch64/aarch64.cc (aarch64_vectorize_vec_perm_const): Adjust
+	vec_perm_const hook to add new parameter op_mode and return false
+	if result and operand modes do not match.
+	* config/arm/arm.cc (arm_vectorize_vec_perm_const): Likewise.
+	* config/gcn/gcn.cc (gcn_vectorize_vec_perm_const): Likewise.
+	* config/ia64/ia64.cc (ia64_vectorize_vec_perm_const): Likewise.
+	* config/mips/mips.cc (mips_vectorize_vec_perm_const): Likewise.
+	* config/rs6000/rs6000.cc (rs6000_vectorize_vec_perm_const): Likewise
+	* config/s390/s390.cc (s390_vectorize_vec_perm_const): Likewise.
+	* config/sparc/sparc.cc (sparc_vectorize_vec_perm_const): Likewise.
+	* config/i386/i386-expand.cc (ix86_vectorize_vec_perm_const): Likewise.
+	* config/i386/i386-expand.h (ix86_vectorize_vec_perm_const): Adjust
+	prototype.
+	* config/i386/sse.md (ashrv4di3): Adjust call to vec_perm_const hook.
+	(ashrv2di3): Likewise.
+	* optabs.cc (expand_vec_perm_const): Likewise.
+	* optabs-query.h (can_vec_perm_const_p): Adjust prototype.
+	* optabs-query.cc (can_vec_perm_const_p): Define new parameter
+	op_mode and pass it to vec_perm_const hook.
+	(can_mult_highpart_p): Adjust call to can_vec_perm_const_p.
+	* match.pd (vec_perm X Y CST): Likewise.
+	* tree-ssa-forwprop.cc (simplify_vector_constructor): Likewise.
+	* tree-vect-data-refs.cc (vect_grouped_store_supported): Likewise.
+	(vect_grouped_load_supported): Likewise.
+	(vect_shift_permute_load_chain): Likewise.
+	* tree-vect-generic.cc (lower_vec_perm): Likewise.
+	* tree-vect-loop-manip.cc (interleave_supported_p): Likewise.
+	* tree-vect-loop.cc (have_whole_vector_shift): Likewise.
+	* tree-vect-patterns.cc (vect_recog_rotate_pattern): Likewise.
+	* tree-vect-slp.cc (can_duplicate_and_interleave_p): Likewise.
+	(vect_transform_slp_perm_load): Likewise.
+	(vectorizable_slp_permutation): Likewise.
+	* tree-vect-stmts.cc (perm_mask_for_reverse): Likewise.
+	(vectorizable_bswap): Likewise.
+	(scan_store_can_perm_p): Likewise.
+	(vect_gen_perm_mask_checked): Likewise.
+
+2022-05-24  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR target/104816
+	* config/i386/i386.opt: Remove Undocumented.
+	* doc/invoke.texi: Document -mcet-switch.
+
+2022-05-24  Andrew Stubbs  <ams@codesourcery.com>
+
+	* config.gcc (amdgcn): Accept --with-arch=gfx908 and gfx90a.
+	* config/gcn/gcn-opts.h (enum gcn_isa): New.
+	(TARGET_GCN3): Use enum gcn_isa.
+	(TARGET_GCN3_PLUS): Likewise.
+	(TARGET_GCN5): Likewise.
+	(TARGET_GCN5_PLUS): Likewise.
+	(TARGET_CDNA1): New.
+	(TARGET_CDNA1_PLUS): New.
+	(TARGET_CDNA2): New.
+	(TARGET_CDNA2_PLUS): New.
+	(TARGET_M0_LDS_LIMIT): New.
+	(TARGET_PACKED_WORK_ITEMS): New.
+	* config/gcn/gcn.cc (gcn_isa): Change to enum gcn_isa.
+	(gcn_option_override): Recognise CDNA ISA variants.
+	(gcn_omp_device_kind_arch_isa): Support gfx90a.
+	(gcn_expand_prologue): Make m0 init optional.
+	Add support for packed work items.
+	(output_file_start): Support gfx90a.
+	(gcn_hsa_declare_function_name): Support gfx90a metadata.
+	* config/gcn/gcn.h (TARGET_CPU_CPP_BUILTINS):Add __CDNA1__ and
+	__CDNA2__.
+	* config/gcn/gcn.md (<su>mulsi3_highpart): Use TARGET_GCN5_PLUS.
+	(<su>mulsi3_highpart_imm): Likewise.
+	(<su>mulsidi3): Likewise.
+	(<su>mulsidi3_imm): Likewise.
+	* config/gcn/gcn.opt (gpu_type): Add gfx90a.
+	* config/gcn/mkoffload.cc (EF_AMDGPU_MACH_AMDGCN_GFX90a): New.
+	(main): Support gfx90a.
+	* config/gcn/t-gcn-hsa: Add gfx90a multilib.
+	* config/gcn/t-omp-device: Add gfx90a isa.
+
+2022-05-24  Andrew Stubbs  <ams@codesourcery.com>
+
+	* config.in: Regenerate.
+	* config/gcn/gcn-hsa.h (X_FIJI): Delete.
+	(X_900): Delete.
+	(X_906): Delete.
+	(X_908): Delete.
+	(S_FIJI): Delete.
+	(S_900): Delete.
+	(S_906): Delete.
+	(S_908): Delete.
+	(NO_XNACK): New macro.
+	(NO_SRAM_ECC): New macro.
+	(SRAMOPT): Keep only v4 variant.
+	(HSACO3_SELECT_OPT): Delete.
+	(DRIVER_SELF_SPECS): Delete.
+	(ASM_SPEC): Remove LLVM 9 support.
+	* config/gcn/gcn-valu.md
+	(gather<mode>_insn_2offsets<exec>): Remove assembler bug workaround.
+	(scatter<mode>_insn_2offsets<exec_scatter>): Likewise.
+	* config/gcn/gcn.cc (output_file_start): Remove LLVM 9 support.
+	(print_operand_address): Remove assembler bug workaround.
+	* config/gcn/mkoffload.cc (EF_AMDGPU_XNACK_V3): Delete.
+	(EF_AMDGPU_SRAM_ECC_V3): Delete.
+	(SET_XNACK_ON): Delete v3 variants.
+	(SET_XNACK_OFF): Delete v3 variants.
+	(TEST_XNACK): Delete v3 variants.
+	(SET_SRAM_ECC_ON): Delete v3 variants.
+	(SET_SRAM_ECC_ANY): Delete v3 variants.
+	(SET_SRAM_ECC_OFF): Delete v3 variants.
+	(SET_SRAM_ECC_UNSUPPORTED): Delete v3 variants.
+	(TEST_SRAM_ECC_ANY): Delete v3 variants.
+	(TEST_SRAM_ECC_ON): Delete v3 variants.
+	(copy_early_debug_info): Remove v3 support.
+	(main): Remove v3 support.
+	* configure: Regenerate.
+	* configure.ac: Replace all GCN feature checks with a version check.
+
+2022-05-24  Roger Sayle  <roger@nextmovesoftware.com>
+
+	* config/i386/i386.md (peephole2): Convert xor;neg;adc;neg,
+	i.e. a double word negation of a zero extended operand, to
+	neg;sbb.
+
+2022-05-24  Roger Sayle  <roger@nextmovesoftware.com>
+
+	PR tree-optimization/105668
+	* config/i386/i386-expand.cc (ix86_expand_sse_movcc): Support
+	V1TImode, just like V2DImode.
+	* config/i386/sse.md (vcond_mask_<mode><sseintvecmodelower>):
+	Use VI_128 mode iterator instead of VI124_128 to include V2DI.
+	(vcond_mask_v2div2di): Delete.
+	(vcond_mask_v1tiv1ti): New define_expand.
+
+2022-05-24  Roger Sayle  <roger@nextmovesoftware.com>
+
+	* genpreds.cc (write_lookup_constraint_1): Avoid generating a call
+	to strncmp for strings of length one.
+
+2022-05-24  ShiYulong  <shiyulong@iscas.ac.cn>
+
+	* config/riscv/predicates.md (imm5_operand): Add a new operand type for
+	prefetch instructions.
+	* config/riscv/riscv-builtins.cc (AVAIL): Add new AVAILs for CMO ISA
+	Extensions.
+	(RISCV_ATYPE_SI): New.
+	(RISCV_ATYPE_DI): New.
+	* config/riscv/riscv-ftypes.def (0): New.
+	(1): New.
+	* config/riscv/riscv.md (riscv_clean_<mode>): New.
+	(riscv_flush_<mode>): New.
+	(riscv_inval_<mode>): New.
+	(riscv_zero_<mode>): New.
+	(prefetch): New.
+	(riscv_prefetchi_<mode>): New.
+	* config/riscv/riscv-cmo.def: New file.
+
+2022-05-24  ShiYulong  <shiyulong@iscas.ac.cn>
+
+	* common/config/riscv/riscv-common.cc: Add zicbom, zicboz, zicbop extensions.
+	* config/riscv/riscv-opts.h (MASK_ZICBOZ): New.
+	(MASK_ZICBOM): New.
+	(MASK_ZICBOP): New.
+	(TARGET_ZICBOZ): New.
+	(TARGET_ZICBOM): New.
+	(TARGET_ZICBOP): New.
+	* config/riscv/riscv.opt (riscv_zicmo_subext): New.
+
+2022-05-24  David Malcolm  <dmalcolm@redhat.com>
+
+	* tree-vect-slp-patterns.cc: Add "final" and "override" to
+	vect_pattern::build impls as appropriate.
+
+2022-05-24  David Malcolm  <dmalcolm@redhat.com>
+
+	* ipa-cp.cc: Add "final" and "override" to call_summary_base vfunc
+	implementations, removing redundant "virtual" as appropriate.
+	* ipa-fnsummary.h: Likewise.
+	* ipa-modref.cc: Likewise.
+	* ipa-param-manipulation.cc: Likewise.
+	* ipa-profile.cc: Likewise.
+	* ipa-prop.h: Likewise.
+	* ipa-pure-const.cc: Likewise.
+	* ipa-reference.cc: Likewise.
+	* ipa-sra.cc: Likewise.
+	* symbol-summary.h: Likewise.
+	* symtab-thunks.cc: Likewise.
+
+2022-05-24  Martin Liska  <mliska@suse.cz>
+
+	Revert:
+	2022-05-24  Martin Liska  <mliska@suse.cz>
+
+	* expmed.cc (emit_store_flag_1): Mitigate -Wmaybe-uninitialized
+	warning.
+
+2022-05-24  Martin Liska  <mliska@suse.cz>
+
+	* expmed.cc (emit_store_flag_1): Mitigate -Wmaybe-uninitialized
+	warning.
+
+2022-05-24  Bruno Haible  <bruno@clisp.org>
+
+	PR other/105527
+	* doc/install.texi (Configuration): Add more details about --with-zstd.
+	Document --with-zstd-include and --with-zstd-lib
+
+2022-05-24  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/105711
+	* expmed.cc (extract_bit_field_as_subreg): Add op0_mode parameter
+	and use it.
+	(extract_bit_field_1): Pass down the mode of op0 to
+	extract_bit_field_as_subreg.
+
+2022-05-24  Vineet Gupta  <vineetg@rivosinc.com>
+
+	* config/riscv/riscv.cc: (struct riscv_tune_param): Add
+	  fmv_cost.
+	(rocket_tune_info): Add default fmv_cost 8.
+	(sifive_7_tune_info): Ditto.
+	(thead_c906_tune_info): Ditto.
+	(optimize_size_tune_info): Ditto.
+	(riscv_register_move_cost): Use fmv_cost for int<->fp moves.
+
+2022-05-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/105378
+	* omp-builtins.def (BUILT_IN_GOMP_TASKWAIT_DEPEND_NOWAIT): New
+	builtin.
+	* gimplify.cc (gimplify_omp_task): Diagnose taskwait with nowait
+	clause but no depend clauses.
+	* omp-expand.cc (expand_taskwait_call): Use
+	BUILT_IN_GOMP_TASKWAIT_DEPEND_NOWAIT rather than
+	BUILT_IN_GOMP_TASKWAIT_DEPEND if nowait clause is present.
+
+2022-05-24  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/100221
+	* tree-ssa-dse.cc (contains_phi_arg): New function.
+	(dse_classify_store): Postpone PHI defs that feed another PHI in defs.
+
+2022-05-24  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/105629
+	* tree-ssa-phiopt.cc (spaceship_replacement): Allow
+	a sign-extending conversion.
+
+2022-05-24  Kewen Lin  <linkw@linux.ibm.com>
+
+	PR target/105627
+	* config/rs6000/rs6000-p8swap.cc (union_defs): Assert def_insn can't
+	be a debug insn.
+	(union_uses): Skip debug use_insn.
+
 2022-05-23  Vineet Gupta  <vineetg@rivosinc.com>
 
 	* config/riscv/predicates.md (const_0_operand): Remove
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 7d93d38..a0acbbd 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20220524
+20220525
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 00e236c..a886254 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,8 @@
+2022-05-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/105378
+	* c-parser.cc (OMP_TASKWAIT_CLAUSE_MASK): Add nowait clause.
+
 2022-05-18  Marek Polacek  <polacek@redhat.com>
 
 	PR c/105131
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index e4788be..42d57c2 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,57 @@
+2022-05-24  Jason Merrill  <jason@redhat.com>
+
+	* constexpr.cc (cxx_fold_indirect_ref): Add default arg.
+	(cxx_eval_call_expression): Call it.
+	(cxx_fold_indirect_ref_1): Handle null empty_base.
+
+2022-05-24  Jason Merrill  <jason@redhat.com>
+
+	* constexpr.cc (enum value_cat): New. Change all 'lval' parameters
+	from int to value_cat.  Change most false to vc_prvalue, most true
+	to vc_glvalue, cases where the return value is ignored to
+	vc_discard.
+	(cxx_eval_statement_list): Only vc_prvalue for stmt-expr result.
+	(cxx_eval_store_expression): Only build _REF for vc_glvalue.
+	(cxx_eval_array_reference, cxx_eval_component_reference)
+	(cxx_eval_indirect_ref, cxx_eval_constant_expression): Likewise.
+
+2022-05-24  Jason Merrill  <jason@redhat.com>
+
+	PR c++/105622
+	* constexpr.cc (cxx_eval_store_expression): Adjust assert.
+	Use initialized_type.
+
+2022-05-24  Patrick Palka  <ppalka@redhat.com>
+
+	* cp-tree.h (any_template_arguments_need_structural_equality_p):
+	Declare.
+	* pt.cc (struct ctp_hasher): Define.
+	(ctp_table): Define.
+	(canonical_type_parameter): Use it.
+	(process_template_parm): Set TYPE_CANONICAL for
+	TEMPLATE_TEMPLATE_PARM too.
+	(lookup_template_class_1): Remove now outdated comment for the
+	any_template_arguments_need_structural_equality_p test.
+	(tsubst) <case TEMPLATE_TEMPLATE_PARM, etc>: Don't specifically
+	clear TYPE_CANONICAL for ttps.  Set TYPE_CANONICAL on the
+	substituted type later.
+	(any_template_arguments_need_structural_equality_p): Return
+	true for any_targ_node.  Don't return true just because a
+	template argument uses structural equality.  Add comment for
+	the PARM_DECL special case.
+	(rewrite_template_parm): Set TYPE_CANONICAL on the rewritten
+	parm's type later.
+	* tree.cc (bind_template_template_parm): Set TYPE_CANONICAL
+	when safe to do so.
+	* typeck.cc (structural_comptypes) [check_alias]: Increment
+	processing_template_decl before checking
+	dependent_alias_template_spec_p.
+
+2022-05-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/105378
+	* parser.cc (OMP_TASKWAIT_CLAUSE_MASK): Add nowait clause.
+
 2022-05-20  David Malcolm  <dmalcolm@redhat.com>
 
 	* cxx-pretty-print.h: Replace uses of "FINAL" and "OVERRIDE" with
diff --git a/gcc/d/ChangeLog b/gcc/d/ChangeLog
index d3ac0bc..8b3f8c2 100644
--- a/gcc/d/ChangeLog
+++ b/gcc/d/ChangeLog
@@ -1,3 +1,12 @@
+2022-05-24  David Malcolm  <dmalcolm@redhat.com>
+
+	* decl.cc: Add "final" and "override" to all "visit" vfunc decls
+	as appropriate.
+	* expr.cc: Likewise.
+	* toir.cc: Likewise.
+	* typeinfo.cc: Likewise.
+	* types.cc: Likewise.
+
 2022-05-16  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* dmd/MERGE: Merge upstream dmd 60bfa0ee7.
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index dce150a..3cffe47 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,8 @@
+2022-05-24  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR c/105378
+	* openmp.cc (gfc_match_omp_taskwait): Accept nowait.
+
 2022-05-23  Tobias Burnus  <tobias@codesourcery.com>
 
 	PR fortran/104949
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c6b33de..493e2a9 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,79 @@
+2022-05-24  Martin Sebor  <msebor@redhat.com>
+	    Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/105604
+	* gcc.dg/Wrestrict-24.c: New test.
+	* gcc.dg/Wrestrict-25.c: New test.
+	* gcc.dg/Wrestrict-26.c: New test.
+
+2022-05-24  Joel Brobecker  <brobecker@adacore.com>
+
+	* gcc.misc-tests/outputs.exp: Make the -gsplit-dwarf test
+	a compile-and-link test rather than a compile-only test.
+
+2022-05-24  Jason Merrill  <jason@redhat.com>
+
+	PR c++/105622
+	* g++.dg/cpp2a/no_unique_address14.C: New test.
+
+2022-05-24  Roger Sayle  <roger@nextmovesoftware.com>
+
+	* gcc.target/i386/neg-zext-1.c: New test case for -m32.
+	* gcc.target/i386/neg-zext-2.c: New test case for -m64.
+
+2022-05-24  Roger Sayle  <roger@nextmovesoftware.com>
+
+	PR tree-optimization/105668
+	* gcc.target/i386/pr105668.c: New test case.
+
+2022-05-24  Patrick Palka  <ppalka@redhat.com>
+
+	* g++.dg/cpp0x/constexpr-52830a.C: New test.
+
+2022-05-24  ShiYulong  <shiyulong@iscas.ac.cn>
+
+	* gcc.target/riscv/cmo-zicbom-1.c: New test.
+	* gcc.target/riscv/cmo-zicbom-2.c: New test.
+	* gcc.target/riscv/cmo-zicbop-1.c: New test.
+	* gcc.target/riscv/cmo-zicbop-2.c: New test.
+	* gcc.target/riscv/cmo-zicboz-1.c: New test.
+	* gcc.target/riscv/cmo-zicboz-2.c: New test.
+
+2022-05-24  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/105711
+	* gcc.target/i386/pr105711.c: New testcase.
+
+2022-05-24  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR c/105378
+	* gfortran.dg/gomp/taskwait-depend-nowait-1.f90: New.
+
+2022-05-24  Vineet Gupta  <vineetg@rivosinc.com>
+
+	* gcc.target/riscv/pr105666.c: New test.
+
+2022-05-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/105378
+	* c-c++-common/gomp/taskwait-depend-nowait-1.c: New test.
+
+2022-05-24  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/100221
+	* gcc.dg/tree-ssa/ssa-dse-44.c: New testcase.
+	* gcc.dg/tree-ssa/ssa-dse-45.c: Likewise.
+
+2022-05-24  Kewen Lin  <linkw@linux.ibm.com>
+
+	PR testsuite/105706
+	* gcc.target/powerpc/pr78604.c: Adjust.
+
+2022-05-24  Kewen Lin  <linkw@linux.ibm.com>
+
+	PR target/105627
+	* gcc.target/powerpc/pr105627.c: New test.
+
 2022-05-23  H.J. Lu  <hjl.tools@gmail.com>
 
 	PR target/104441
diff --git a/include/ChangeLog b/include/ChangeLog
index 2671ad8..787f70b 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2022-05-24  David Malcolm  <dmalcolm@redhat.com>
+
+	* ansidecl.h: Drop macros OVERRIDE and FINAL.
+
 2022-05-23  Nathan Sidwell  <nathan@acm.org>
 
 	* demangle.h (enum demangle_component_type): Add module components.
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 3b61d22..a885da7 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,31 @@
+2022-05-24  Andrew Stubbs  <ams@codesourcery.com>
+
+	* plugin/plugin-gcn.c (EF_AMDGPU_MACH): Add
+	EF_AMDGPU_MACH_AMDGCN_GFX90a.
+	(gcn_gfx90a_s): New.
+	(isa_hsa_name): Support gfx90a.
+	(isa_code): Likewise.
+
+2022-05-24  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR c/105378
+	* libgomp.texi (OpenMP 5.1): Set 'taskwait nowait' to 'Y'.
+	* testsuite/libgomp.fortran/taskwait-depend-nowait-1.f90: New.
+
+2022-05-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/105378
+	* libgomp_g.h (GOMP_taskwait_depend_nowait): Declare.
+	* libgomp.map (GOMP_taskwait_depend_nowait): Export at GOMP_5.1.1.
+	* task.c (empty_task): New function.
+	(gomp_task_run_post_handle_depend_hash): Declare earlier.
+	(gomp_task_run_post_handle_depend): Declare.
+	(GOMP_task): Optimize fn == empty_task if there is nothing to wait
+	for.
+	(gomp_task_run_post_handle_dependers): Optimize task->fn == empty_task.
+	(GOMP_taskwait_depend_nowait): New function.
+	* testsuite/libgomp.c-c++-common/taskwait-depend-nowait-1.c: New test.
+
 2022-05-23  Tobias Burnus  <tobias@codesourcery.com>
 
 	PR fortran/104949