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The compiler aborts on the local extension of a tagged type declared
at library level, with a progenitor given by an interface type having
a primitive that is a homograph of a primitive of the tagged type.
gcc/ada/ChangeLog:
* gcc-interface/trans.c (maybe_make_gnu_thunk): Return false if the
target is local and thunk and target do not have the same context.
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Gigi uses a dummy global variable to register global types for debug
info purposes and its name can now collide with user variables.
gcc/ada/ChangeLog:
* gcc-interface/trans.c (lvalue_for_aggregate_p): Also return true
for return statements.
* gcc-interface/utils.c (gnat_write_global_declarations): Use the
maximum index for the dummy object to avoid a name collision.
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The compiler generates code that writes too much data into a component
of a record subject to a representation clause, when the source of the
assignment is a call to a function that returns a discriminated record
type with default discriminants, variable size and a statically known
upper bound for this size, and the size of the component given by the
representation clause is lower than the value of this bound rounded up
to the alignment.
gcc/ada/ChangeLog:
* gcc-interface/trans.c (Call_to_gnu): Also create a temporary for
the return value if the LHS is a bit-field and the return type is
a type padding a self-referential type.
(gnat_to_gnu): Do not remove the padding on the result if it is too
small with regard to the natural padding size.
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gcc/ada/
* gcc-interface/Makefile.in, gcc-interface/trans.c: Remove ^L
characters.
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gcc/ada/ChangeLog:
* gcc-interface/gigi.h: Remove ^L characters throughout.
* gcc-interface/decl.c: Likewise.
* gcc-interface/utils.c: Likewise.
* gcc-interface/utils2.c: Likewise.
* gcc-interface/trans.c (gnat_to_gnu) <N_Allocator>: Do not explicitly
go to the base type for the Has_Constrained_Partial_View flag.
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The Ada compiler uses a biased representation when a size clause reserves
fewer bits than normal either for the lower or for the upper bound.
gcc/ada/ChangeLog:
* gcc-interface/trans.c (build_binary_op_trapv): Convert operands
to the result type before doing generic overflow checking.
gcc/testsuite/ChangeLog:
* gnat.dg/bias2.adb: New test.
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This is a rather obscure case where the elaboration of an empty array
whose base type is an array type of length at most 1 goes awry when
the code is compiled with optimization.
gcc/ada/ChangeLog:
* gcc-interface/trans.c (can_be_lower_p): Remove.
(Regular_Loop_to_gnu): Add ENTRY_COND unconditionally if
BOTTOM_COND is non-zero.
gcc/testsuite/ChangeLog:
* gnat.dg/opt89.adb: New test.
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This is a regression present on the mainline and 10 branch in the form
of an ICE with a shift operator applied to a variable of a signed type,
and which is caused by a type mismatch.
gcc/ada/ChangeLog:
* gcc-interface/trans.c (gnat_to_gnu) <N_Op_Shift>: Also convert
GNU_MAX_SHIFT if the type of the operation has been changed.
* gcc-interface/utils.c (can_materialize_object_renaming_p): Add
pair of missing parentheses.
gcc/testsuite/ChangeLog:
* gnat.dg/shift1.adb: New test.
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gcc/ada/
* doc/gnat_rm/implementation_defined_pragmas.rst (VFA): Remove uage
restrictions in conjunction with Atomic and Aliased.
* gnat_rm.texi: Regenerate.
* aspects.ads (Aspect_Id): Add Aspect_Full_Access_Only.
(Is_Representation_Aspect): Likewise.
(Aspect_Names): Likewise.
(Aspect_Delay): Likewise.
* einfo.ads (Is_Atomic_Or_VFA): Rename into...
(Is_Full_Access): ...this.
(Is_Volatile_Full_Access): Document new usage for Full_Access_Only.
* einfo.adb (Is_Atomic_Or_VFA): Rename into...
(Is_Full_Access): ...this.
* freeze.ads (Is_Atomic_VFA_Aggregate): Rename into...
(Is_Full_Access_Aggregate): ...this.
* freeze.adb (Is_Atomic_VFA_Aggregate): Rename into...
(Is_Full_Access_Aggregate): ...this. Adjust to above renaming.
(Freeze_Array_Type): Likewise.
(Freeze_Entity): Likewise.
* exp_aggr.adb (Aggr_Assignment_OK_For_Backend): Likewise.
(Expand_Record_Aggregate): Likewise.
* exp_ch4.adb (Expand_N_Op_Eq): Likewise.
* exp_ch5.adb (Expand_Assign_Array): Likewise.
* exp_ch8.adb (Evaluation_Required): Likewise.
* layout.adb (Layout_Type): Likewise.
(Set_Composite_Alignment): Likewise.
* sem_aux.ads (Has_Rep_Item): Delete.
* sem_aux.adb (Has_Rep_Item): Likewise.
* sem_attr.adb (Resolve_Attribute) <Attribute_Access>: Implement
new legality rules in C.6(12).
* sem_ch12.adb (Instantiate_Object): Likewise.
* sem_res.adb (Resolve_Actuals): Likewise.
* sem_ch13.adb (Inherit_Delayed_Rep_Aspects): Deal with aspect
Full_Access_Only.
(Check_False_Aspect_For_Derived_Type): Likewise.
(Make_Pragma_From_Boolean_Aspect): Test for the presence of Expr.
Deal with aspect Full_Access_Only.
(Analyze_Aspects_At_Freeze_Point): Likewise.
(Analyze_One_Aspect): Do not set Delay_Required to true even for
Always_Delay boolean aspects if they have no expression. Force
Delay_Required to true for aspect Full_Access_Only in all cases.
Reject aspect Full_Access_Only if not in Ada 2020 mode.
(Check_Aspect_At_End_Of_Declarations): Deal with empty expression.
(Check_Aspect_At_Freeze_Point): Likewise.
(Rep_Item_Entity): Delete.
(Inherit_Aspects_At_Freeze_Point): Align handling for Bit_Order
with that for Scalar_Storage_Order.
* sem_prag.adb (Check_Atomic_VFA): Delete.
(Check_VFA_Conflicts): Likewise.
(Check_Full_Access_Only): New procedure.
(Process_Atomic_Independent_Shared_Volatile): Call to implement
the new legality checks in C.6(8/2) and mark the entity last.
(Analyze_Pragma) <Pragma_Atomic_Components>: Remove obsolete check.
* sem_util.ads (Is_Atomic_Or_VFA_Object): Rename into...
(Is_Full_Access_Object): ...this.
(Is_Subcomponent_Of_Atomic_Object): Rename into...
(Is_Subcomponent_Of_Full_Access_Object): ...this.
* sem_util.adb (Inherit_Rep_Item_Chain): Use Present_In_Rep_Item.
(Is_Atomic_Or_VFA_Object): Rename into...
(Is_Full_Access_Object): ...this.
(Is_Subcomponent_Of_Atomic_Object): Rename into...
(Is_Subcomponent_Of_Full_Access_Object): ...this and adjust.
* snames.ads-tmpl (Name_Full_Access_Only): New name of aspect.
* gcc-interface/decl.c (gnat_to_gnu_entity): Adjust for renaming.
(promote_object_alignment): Likewise.
(gnat_to_gnu_field): Likewise. Rename local variable and use
specific qualifier in error message for Volatile_Full_Access.
* gcc-interface/trans.c (lvalue_required_p): Likewise.
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this patch moves nested function information out of symbol table (to a summary).
This saves memory (especially at WPA time) and also makes nested function
support more contained.
gcc/ChangeLog:
2020-10-22 Jan Hubicka <hubicka@ucw.cz>
* cgraph.c: Include tree-nested.h
(cgraph_node::create): Call maybe_record_nested_function.
(cgraph_node::remove): Do not remove function from nested function
infos.
(cgraph_node::dump): Update.
(cgraph_node::unnest): Move to tree-nested.c
(cgraph_node::verify_node): Update.
(cgraph_c_finalize): Call nested_function_info::release.
* cgraph.h (struct symtab_node): Remove nested function info.
* cgraphclones.c (cgraph_node::create_clone): Do not clone nested
function info.
* cgraphunit.c (cgraph_node::analyze): Update.
(cgraph_node::expand): Do not worry about nested functions; they are
lowered.
(symbol_table::finalize_compilation_unit): Call
nested_function_info::release.
* gimplify.c: Include tree-nested.h
(unshare_body): Update.
(unvisit_body): Update.
* omp-offload.c (omp_discover_implicit_declare_target): Update.
* tree-nested.c: Include alloc-pool.h, tree-nested.h, symbol-summary.h
(nested_function_sum): New static variable.
(nested_function_info::get): New member function.
(nested_function_info::get_create): New member function.
(unnest_function): New function.
(nested_function_info::~nested_function_info): New member function.
(nested_function_info::release): New function.
(maybe_record_nested_function): New function.
(lookup_element_for_decl): Update.
(check_for_nested_with_variably_modified): Update.
(create_nesting_tree): Update.
(unnest_nesting_tree_1): Update.
(gimplify_all_functions): Update.
(lower_nested_functions): Update.
* tree-nested.h (class nested_function_info): New class.
(maybe_record_nested_function): Declare.
(unnest_function): Declare.
(first_nested_function): New inline function.
(next_nested_function): New inline function.
(nested_function_origin): New inline function.
gcc/ada/ChangeLog:
2020-10-22 Jan Hubicka <hubicka@ucw.cz>
* gcc-interface/trans.c: Include tree-nested.h
(walk_nesting_tree): Update for new nested function info.
gcc/c-family/ChangeLog:
2020-10-22 Jan Hubicka <hubicka@ucw.cz>
* c-gimplify.c: Include tree-nested.h
(c_genericize): Update for new nested function info.
gcc/d/ChangeLog:
2020-10-22 Jan Hubicka <hubicka@ucw.cz>
* decl.cc: Include tree-nested.h
(get_symbol_decl): Update for new nested function info.
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In some cases we would fail to put the end location information on the
outermost BIND_EXPR of a function, which is problematic when there is
a dynamic stack allocation.
gcc/ada/ChangeLog:
* gcc-interface/trans.c (Subprogram_Body_to_gnu): Set the end locus
of body and declaration earlier.
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> Seems a latent issue.
> Neither cl_optimization_{save,restore} nor cl_target_option_{save,restore}
> (nor any of the target hooks they call) saves or restores any opts_set
> values, so I think opts_set can be trusted only during option processing (if
> at all), but not later.
> So, short term a fix would be IMHO just stop using opts_set altogether in
> arm_configure_build_target, it doesn't make much sense to me, it should test
> if those strings are non-NULL instead, or at least do that when it is
> invoked from arm_option_restore (e.g. could be done by calling it with
> opts instead of &global_options_set ).
> Longer term, the question is if cl_optimization_{save,restore} and
> cl_target_option_{save,restore} shouldn't be changed not to only
> save/restore the options, but also save the opts_set flags.
> It could be done e.g. by adding a bool array or set of bool members
> to struct cl_optimization and struct cl_target_option , or even more compact
> by using bitmasks, pack each 64 adjacent option flags into a UHWI element
> of an array.
So, I've tried under debugger how it behaves and seems global_options_set
is really an or of whether an option has been ever seen as explicit, either
on the command line or in any of the option pragmas or optimize/target
attributes seen so far, so it isn't something that can be relied on.
The following patch implements the saving/restoring of the opts_set bits
(though only for the options/variables saved by the generic options-save.c
code, for the target specific stuff that isn't handled by the generic code
the opts_set argument is now passed to the hook and the backends can choose
e.g. to use a TargetSave variable to save the flags either individually or
together in some bitmask (or ignore it if they never need opts_set for the
options).
This patch itself doesn't fix the testcase failing on arm, but a follow up
patch will.
2020-09-14 Jakub Jelinek <jakub@redhat.com>
gcc/
* opt-read.awk: Also initialize extra_target_var_types array.
* opth-gen.awk: Emit explicit_mask arrays to struct cl_optimization
and cl_target_option. Adjust cl_optimization_save,
cl_optimization_restore, cl_target_option_save and
cl_target_option_restore declarations.
* optc-save-gen.awk: Add opts_set argument to cl_optimization_save,
cl_optimization_restore, cl_target_option_save and
cl_target_option_restore functions and save or restore opts_set
next to the opts values into or from explicit_mask arrays.
In cl_target_option_eq and cl_optimization_option_eq compare
explicit_mask arrays, in cl_target_option_hash and cl_optimization_hash
hash them and in cl_target_option_stream_out,
cl_target_option_stream_in, cl_optimization_stream_out and
cl_optimization_stream_in stream them.
* tree.h (build_optimization_node, build_target_option_node): Add
opts_set argument.
* tree.c (build_optimization_node): Add opts_set argument, pass it
to cl_optimization_save.
(build_target_option_node): Add opts_set argument, pass it to
cl_target_option_save.
* function.c (invoke_set_current_function_hook): Adjust
cl_optimization_restore caller.
* ipa-inline-transform.c (inline_call): Adjust cl_optimization_restore
and build_optimization_node callers.
* target.def (TARGET_OPTION_SAVE, TARGET_OPTION_RESTORE): Add opts_set
argument.
* target-globals.c (save_target_globals_default_opts): Adjust
cl_optimization_restore callers.
* toplev.c (process_options): Adjust build_optimization_node and
cl_optimization_restore callers.
(target_reinit): Adjust cl_optimization_restore caller.
* tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers):
Adjust build_optimization_node and cl_optimization_restore callers.
* doc/tm.texi: Updated.
* config/aarch64/aarch64.c (aarch64_override_options): Adjust
build_target_option_node caller.
(aarch64_option_save, aarch64_option_restore): Add opts_set argument.
(aarch64_set_current_function): Adjust cl_target_option_restore
caller.
(aarch64_option_valid_attribute_p): Adjust cl_target_option_save,
cl_target_option_restore, cl_optimization_restore,
build_optimization_node and build_target_option_node callers.
* config/aarch64/aarch64-c.c (aarch64_pragma_target_parse): Adjust
cl_target_option_restore and build_target_option_node callers.
* config/arm/arm.c (arm_option_save, arm_option_restore): Add
opts_set argument.
(arm_option_override): Adjust cl_target_option_save,
build_optimization_node and build_target_option_node callers.
(arm_set_current_function): Adjust cl_target_option_restore caller.
(arm_valid_target_attribute_tree): Adjust build_target_option_node
caller.
(add_attribute): Formatting fix.
(arm_valid_target_attribute_p): Adjust cl_optimization_restore,
cl_target_option_restore, arm_valid_target_attribute_tree and
build_optimization_node callers.
* config/arm/arm-c.c (arm_pragma_target_parse): Adjust
cl_target_option_restore callers.
* config/csky/csky.c (csky_option_override): Adjust
build_target_option_node and cl_target_option_save callers.
* config/gcn/gcn.c (gcn_fixup_accel_lto_options): Adjust
build_optimization_node and cl_optimization_restore callers.
* config/i386/i386-builtins.c (get_builtin_code_for_version):
Adjust cl_target_option_save and cl_target_option_restore
callers.
* config/i386/i386-c.c (ix86_pragma_target_parse): Adjust
build_target_option_node and cl_target_option_restore callers.
* config/i386/i386-options.c (ix86_function_specific_save,
ix86_function_specific_restore): Add opts_set arguments.
(ix86_valid_target_attribute_tree): Adjust build_target_option_node
caller.
(ix86_valid_target_attribute_p): Adjust build_optimization_node,
cl_optimization_restore, cl_target_option_restore,
ix86_valid_target_attribute_tree and build_optimization_node callers.
(ix86_option_override_internal): Adjust build_target_option_node
caller.
(ix86_reset_previous_fndecl, ix86_set_current_function): Adjust
cl_target_option_restore callers.
* config/i386/i386-options.h (ix86_function_specific_save,
ix86_function_specific_restore): Add opts_set argument.
* config/nios2/nios2.c (nios2_option_override): Adjust
build_target_option_node caller.
(nios2_option_save, nios2_option_restore): Add opts_set argument.
(nios2_valid_target_attribute_tree): Adjust build_target_option_node
caller.
(nios2_valid_target_attribute_p): Adjust build_optimization_node,
cl_optimization_restore, cl_target_option_save and
cl_target_option_restore callers.
(nios2_set_current_function, nios2_pragma_target_parse): Adjust
cl_target_option_restore callers.
* config/pru/pru.c (pru_option_override): Adjust
build_target_option_node caller.
(pru_set_current_function): Adjust cl_target_option_restore
callers.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust
cl_target_option_save caller.
(rs6000_option_override_internal): Adjust build_target_option_node
caller.
(rs6000_valid_attribute_p): Adjust build_optimization_node,
cl_optimization_restore, cl_target_option_save,
cl_target_option_restore and build_target_option_node callers.
(rs6000_pragma_target_parse): Adjust cl_target_option_restore and
build_target_option_node callers.
(rs6000_activate_target_options): Adjust cl_target_option_restore
callers.
(rs6000_function_specific_save, rs6000_function_specific_restore):
Add opts_set argument.
* config/s390/s390.c (s390_function_specific_restore): Likewise.
(s390_option_override_internal): Adjust s390_function_specific_restore
caller.
(s390_option_override, s390_valid_target_attribute_tree): Adjust
build_target_option_node caller.
(s390_valid_target_attribute_p): Adjust build_optimization_node,
cl_optimization_restore and cl_target_option_restore callers.
(s390_activate_target_options): Adjust cl_target_option_restore
caller.
* config/s390/s390-c.c (s390_cpu_cpp_builtins): Adjust
cl_target_option_save caller.
(s390_pragma_target_parse): Adjust build_target_option_node and
cl_target_option_restore callers.
gcc/c-family/
* c-attribs.c (handle_optimize_attribute): Adjust
cl_optimization_save, cl_optimization_restore and
build_optimization_node callers.
* c-pragma.c (handle_pragma_optimize): Adjust
build_optimization_node caller.
(handle_pragma_push_options): Adjust
build_optimization_node and build_target_option_node callers.
(handle_pragma_pop_options, handle_pragma_reset_options):
Adjust cl_optimization_restore callers.
gcc/go/
* go-gcc.cc (Gcc_backend::function): Adjust
cl_optimization_save, cl_optimization_restore and
build_optimization_node callers.
gcc/ada/
* gcc-interface/trans.c (gigi): Adjust build_optimization_node
caller.
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This is only the gigi part, in preparation for the bulk of the
implementation.
gcc/ada/ChangeLog:
* fe.h: Fix pilot error in previous change.
* gcc-interface/gigi.h (enum standard_datatypes): Add ADT_mulv128_decl.
(mulv128_decl): New macro.
(get_target_long_long_long_size): Declare.
* gcc-interface/decl.c (gnat_to_gnu_entity): Use a maximum size of
128 bits for discrete types if Enable_128bit_Types is true.
* gcc-interface/targtyps.c: Include target.h.
(get_target_long_long_long_size): New function.
* gcc-interface/trans.c (gigi): Initialize mulv128_decl if need be.
(build_binary_op_trapv): Call it for 128-bit multiplication.
* gcc-interface/utils.c (make_type_from_size): Enforce a maximum
size of 128 bits if Enable_128bit_Types is true.
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This can result on the mainline in a segfault when an object declared
at library level is used in the declaration of another, local object.
gcc/ada/ChangeLog:
* gcc-interface/trans.c (lvalue_for_aggr_p) <N_Object_Declaration>:
Return false unconditionally.
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This prevents the SLOC of the expression for a tag from being present
in the line debug info every time it is referenced for coverage purposes.
gcc/ada/ChangeLog:
* gcc-interface/trans.c (gnat_to_gnu) <N_Object_Declaration>: Clear
the SLOC of the expression of a tag.
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gcc/ada/ChangeLog:
* gcc-interface/trans.c (gigi): Set exact argument of a vector
growth function to true.
(Attribute_to_gnu): Likewise.
gcc/ChangeLog:
* alias.c (init_alias_analysis): Set exact argument of a vector
growth function to true.
* calls.c (internal_arg_pointer_based_exp_scan): Likewise.
* cfgbuild.c (find_many_sub_basic_blocks): Likewise.
* cfgexpand.c (expand_asm_stmt): Likewise.
* cfgrtl.c (rtl_create_basic_block): Likewise.
* combine.c (combine_split_insns): Likewise.
(combine_instructions): Likewise.
* config/aarch64/aarch64-sve-builtins.cc (function_expander::add_output_operand): Likewise.
(function_expander::add_input_operand): Likewise.
(function_expander::add_integer_operand): Likewise.
(function_expander::add_address_operand): Likewise.
(function_expander::add_fixed_operand): Likewise.
* df-core.c (df_worklist_dataflow_doublequeue): Likewise.
* dwarf2cfi.c (update_row_reg_save): Likewise.
* early-remat.c (early_remat::init_block_info): Likewise.
(early_remat::finalize_candidate_indices): Likewise.
* except.c (sjlj_build_landing_pads): Likewise.
* final.c (compute_alignments): Likewise.
(grow_label_align): Likewise.
* function.c (temp_slots_at_level): Likewise.
* fwprop.c (build_single_def_use_links): Likewise.
(update_uses): Likewise.
* gcc.c (insert_wrapper): Likewise.
* genautomata.c (create_state_ainsn_table): Likewise.
(add_vect): Likewise.
(output_dead_lock_vect): Likewise.
* genmatch.c (capture_info::capture_info): Likewise.
(parser::finish_match_operand): Likewise.
* genrecog.c (optimize_subroutine_group): Likewise.
(merge_pattern_info::merge_pattern_info): Likewise.
(merge_into_decision): Likewise.
(print_subroutine_start): Likewise.
(main): Likewise.
* gimple-loop-versioning.cc (loop_versioning::loop_versioning): Likewise.
* gimple.c (gimple_set_bb): Likewise.
* graphite-isl-ast-to-gimple.c (translate_isl_ast_node_user): Likewise.
* haifa-sched.c (sched_extend_luids): Likewise.
(extend_h_i_d): Likewise.
* insn-addr.h (insn_addresses_new): Likewise.
* ipa-cp.c (gather_context_independent_values): Likewise.
(find_more_contexts_for_caller_subset): Likewise.
* ipa-devirt.c (final_warning_record::grow_type_warnings): Likewise.
(ipa_odr_read_section): Likewise.
* ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
(ipa_fn_summary_t::duplicate): Likewise.
(analyze_function_body): Likewise.
(ipa_merge_fn_summary_after_inlining): Likewise.
(read_ipa_call_summary): Likewise.
* ipa-icf.c (sem_function::bb_dict_test): Likewise.
* ipa-prop.c (ipa_alloc_node_params): Likewise.
(parm_bb_aa_status_for_bb): Likewise.
(ipa_compute_jump_functions_for_edge): Likewise.
(ipa_analyze_node): Likewise.
(update_jump_functions_after_inlining): Likewise.
(ipa_read_edge_info): Likewise.
(read_ipcp_transformation_info): Likewise.
(ipcp_transform_function): Likewise.
* ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
* ipa-split.c (execute_split_functions): Likewise.
* ira.c (find_moveable_pseudos): Likewise.
* lower-subreg.c (decompose_multiword_subregs): Likewise.
* lto-streamer-in.c (input_eh_regions): Likewise.
(input_cfg): Likewise.
(input_struct_function_base): Likewise.
(input_function): Likewise.
* modulo-sched.c (set_node_sched_params): Likewise.
(extend_node_sched_params): Likewise.
(schedule_reg_moves): Likewise.
* omp-general.c (omp_construct_simd_compare): Likewise.
* passes.c (pass_manager::create_pass_tab): Likewise.
(enable_disable_pass): Likewise.
* predict.c (determine_unlikely_bbs): Likewise.
* profile.c (compute_branch_probabilities): Likewise.
* read-rtl-function.c (function_reader::parse_block): Likewise.
* read-rtl.c (rtx_reader::read_rtx_code): Likewise.
* reg-stack.c (stack_regs_mentioned): Likewise.
* regrename.c (regrename_init): Likewise.
* rtlanal.c (T>::add_single_to_queue): Likewise.
* sched-deps.c (init_deps_data_vector): Likewise.
* sel-sched-ir.c (sel_extend_global_bb_info): Likewise.
(extend_region_bb_info): Likewise.
(extend_insn_data): Likewise.
* symtab.c (symtab_node::create_reference): Likewise.
* tracer.c (tail_duplicate): Likewise.
* trans-mem.c (tm_region_init): Likewise.
(get_bb_regions_instrumented): Likewise.
* tree-cfg.c (init_empty_tree_cfg_for_function): Likewise.
(build_gimple_cfg): Likewise.
(create_bb): Likewise.
(move_block_to_fn): Likewise.
* tree-complex.c (tree_lower_complex): Likewise.
* tree-if-conv.c (predicate_rhs_code): Likewise.
* tree-inline.c (copy_bb): Likewise.
* tree-into-ssa.c (get_ssa_name_ann): Likewise.
(mark_phi_for_rewrite): Likewise.
* tree-object-size.c (compute_builtin_object_size): Likewise.
(init_object_sizes): Likewise.
* tree-predcom.c (initialize_root_vars_store_elim_1): Likewise.
(initialize_root_vars_store_elim_2): Likewise.
(prepare_initializers_chain_store_elim): Likewise.
* tree-ssa-address.c (addr_for_mem_ref): Likewise.
(multiplier_allowed_in_address_p): Likewise.
* tree-ssa-coalesce.c (ssa_conflicts_new): Likewise.
* tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
* tree-ssa-loop-ivopts.c (addr_offset_valid_p): Likewise.
(get_address_cost_ainc): Likewise.
* tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk): Likewise.
* tree-ssa-pre.c (add_to_value): Likewise.
(phi_translate_1): Likewise.
(do_pre_regular_insertion): Likewise.
(do_pre_partial_partial_insertion): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (ssa_prop_init): Likewise.
(update_call_from_tree): Likewise.
* tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Likewise.
* tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
(vn_reference_lookup_pieces): Likewise.
(eliminate_dom_walker::eliminate_push_avail): Likewise.
* tree-ssa-strlen.c (set_strinfo): Likewise.
(get_stridx_plus_constant): Likewise.
(zero_length_string): Likewise.
(find_equal_ptrs): Likewise.
(printf_strlen_execute): Likewise.
* tree-ssa-threadedge.c (set_ssa_name_value): Likewise.
* tree-ssanames.c (make_ssa_name_fn): Likewise.
* tree-streamer-in.c (streamer_read_tree_bitfields): Likewise.
* tree-vect-loop.c (vect_record_loop_mask): Likewise.
(vect_get_loop_mask): Likewise.
(vect_record_loop_len): Likewise.
(vect_get_loop_len): Likewise.
* tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Likewise.
* tree-vect-slp.c (vect_slp_convert_to_external): Likewise.
(vect_bb_slp_scalar_cost): Likewise.
(vect_bb_vectorization_profitable_p): Likewise.
(vectorizable_slp_permutation): Likewise.
* tree-vect-stmts.c (vectorizable_call): Likewise.
(vectorizable_simd_clone_call): Likewise.
(scan_store_can_perm_p): Likewise.
(vectorizable_store): Likewise.
* expr.c: Likewise.
* vec.c (test_safe_grow_cleared): Likewise.
* vec.h (vec_safe_grow): Likewise.
(vec_safe_grow_cleared): Likewise.
(vl_ptr>::safe_grow): Likewise.
(vl_ptr>::safe_grow_cleared): Likewise.
* config/c6x/c6x.c (insn_set_clock): Likewise.
gcc/c/ChangeLog:
* gimple-parser.c (c_parser_gimple_compound_statement): Set exact argument of a vector
growth function to true.
gcc/cp/ChangeLog:
* class.c (build_vtbl_initializer): Set exact argument of a vector
growth function to true.
* constraint.cc (get_mapped_args): Likewise.
* decl.c (cp_maybe_mangle_decomp): Likewise.
(cp_finish_decomp): Likewise.
* parser.c (cp_parser_omp_for_loop): Likewise.
* pt.c (canonical_type_parameter): Likewise.
* rtti.c (get_pseudo_ti_init): Likewise.
gcc/fortran/ChangeLog:
* trans-openmp.c (gfc_trans_omp_do): Set exact argument of a vector
growth function to true.
gcc/lto/ChangeLog:
* lto-common.c (lto_file_finalize): Set exact argument of a vector
growth function to true.
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The problem is that Has_Constrained_Partial_View must be tested on the
base type of the designated type of an allocator.
gcc/ada/ChangeLog:
* gcc-interface/trans.c (gnat_to_gnu) <N_Allocator>: Minor tweaks.
Call Has_Constrained_Partial_View on base type of designated type.
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The main changes are 1) the bulk of the implementation is put back entirely
in gnat_to_gnu_entity and 2) the handling of lvalues is unified, i.e. it no
longer depends on the Materialize_Entity flag being present on the entity.
gcc/ada/ChangeLog:
* gcc-interface/ada-tree.h (DECL_RENAMED_OBJECT): Delete.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Variable>: Always use
the stabilized reference directly for renaming and create a variable
pointing to it separately if requested.
* gcc-interface/misc.c (gnat_print_decl): Adjust for deletion.
* gcc-interface/trans.c (Identifier_to_gnu): Likewise.
(gnat_to_gnu) <N_Object_Renaming_Declaration>:
Do not deal with side-effects here.
<N_Exception_Renaming_Declaration>: Likewise.
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gcc/ada/ChangeLog:
* gcc-interface/trans.c (gnat_to_gnu) <N_Assignment_Statement>: Do
not test Is_Bit_Packed_Array in the memset path.
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2020-06-19 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* gcc-interface/trans.c (lvalue_required_for_attribute_p): Do not deal
with 'Pos or 'Val.
(Attribute_to_gnu): Likewise.
* gcc-interface/utils.c (create_field_decl): Small formatting fix.
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2020-06-19 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* gcc-interface/trans.c (adjust_for_implicit_deref): Delete.
(maybe_implicit_deref): Likewise.
(Attribute_to_gnu): Replace calls to maybe_implicit_deref by calls
to maybe_padded_object.
(Call_to_gnu): Likewise.
(gnat_to_gnu) <N_Indexed_Component>: Likewise.
<N_Slice>: Likewise.
<N_Selected_Component>: Likewise.
<N_Free_Statement>: Remove call to adjust_for_implicit_deref and
manually make sure that the designated type is complete.
* gcc-interface/utils2.c (build_simple_component_ref): Add comment.
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2020-06-19 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* gcc-interface/decl.c (gnat_to_gnu_param): Tidy up.
(gnat_to_gnu_subprog_type): For a variadic C function, do not
build unnamed parameters and do not add final void node.
* gcc-interface/misc.c: Include snames.h.
* gcc-interface/trans.c (Attribute_to_gnu): Tidy up.
(Call_to_gnu): Implement support for unnamed parameters in a
variadic C function.
* gcc-interface/utils.c: Include snames.h.
(copy_type): Tidy up.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* back_end.adb, opt.ads, par-prag.adb, sem_ch5.adb,
sem_prag.adb, sinfo.adb, sinfo.ads, snames.ads-tmpl,
doc/gnat_rm/implementation_defined_pragmas.rst: Remove
experimental support for OpenACC.
* gcc-interface/misc.c, gcc-interface/trans.c,
gcc-interface/lang.opt: Ditto.
* gnat_rm.texi: Regenerate.
gcc/testsuite/
* gnat.dg/openacc1.adb: Remove testcase.
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Under very specific circumstances the compiler can generate a wrong
assignment to a mutable record object which contains an array component,
because it does not correctly handle the update of the discriminant.
gcc/ada/ChangeLog
* gcc-interface/gigi.h (operand_type): New static inline function.
* gcc-interface/trans.c (gnat_to_gnu): Do not suppress conversion
to the resulty type at the end for array types.
* gcc-interface/utils2.c (build_binary_op) <MODIFY_EXPR>: Do not
remove conversions between array types on the LHS.
gcc/testsuite/ChangeLog
* gnat.dg/array39.adb: New test.
* gnat.dg/array39_pkg.ads: New helper.
* gnat.dg/array39_pkg.adb: Likewise.
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This makes sure that gigi is prepared to handle more aggregates in the
special memset code path.
* sem_aggr.ads (Is_Single_Aggregate): New function.
* sem_aggr.adb (Is_Others_Aggregate): Use local variable.
(Is_Single_Aggregate): New function to recognize an aggregate with
a single association containing a single choice.
* fe.h (Is_Others_Aggregate): Delete.
(Is_Single_Aggregate): New declaration.
* gcc-interface/trans.c (gnat_to_gnu) <N_Assignment_Statement>: Call
Is_Single_Aggregate instead of Is_Others_Aggregate.
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* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Access>: Assert
that the prefix is not a type.
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This prevents gigi from making a local copy of large aggregates.
* gcc-interface/trans.c (lvalue_required_p) <N_Selected_Component>:
Merge with N_Slice.
<N_Allocator>: Move to...
(lvalue_for_aggregate_p): ...here. New function.
(Identifier_to_gnu): For an identifier with aggregate type, also
call lvalue_for_aggregate_p if lvalue_required_p returned false
before substituting the identifier with the constant.
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* gcc-interface/trans.c (gnat_to_gnu): Do not wrap boolean values
if they appear in any kind of attribute references.
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Aggregates can be surrounded by a qualified expression and this
prepares the support code in gigi for accepting them.
* gcc-interface/trans.c (gnat_to_gnu) <N_Assignment_Statement>: Deal
with qualified "others" aggregates in the memset case.
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No functional changes.
* gcc-interface/gigi.h (change_qualified_type): Move around.
(maybe_vector_array): Likewise.
(maybe_padded_object): New static line function.
* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Component_Size>:
Remove useless code.
<Attr_Null_Parameter>: Remove obsolete code.
(Call_to_gn): Likewise. Use maybe_padded_object to remove padding.
(gnat_to_gnu): Likewise.
<N_String_Literal>: Do not add a useless null character at the end.
<N_Indexed_Component>: Likewise and remove obsolete code.
(add_decl_expr): Likewise.
(maybe_implicit_deref): Likewise.
* gcc-interface/utils.c (maybe_unconstrained_array): Likewise.
* gcc-interface/utils2.c (gnat_invariant_expr): Likewise.
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The information was missing in cases the front-end was able to turn
the range comparison into a simple comparison.
* gcc-interface/trans.c (Raise_Error_to_gnu): Always compute a lower
bound and an upper bound for use by the -gnateE switch for range and
comparison operators.
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before turning off all the...
* gcc-interface/trans.c (Pragma_to_gnu) <Pragma_Warnings>: Push a
diagnostics state for pragma Warnings (Off) before turning off all
the warnings and only pop it for pragma Warnings (On).
From-SVN: r279519
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch8.adb (Analyze_Object_Renaming): Set Atomic, Independent
and Volatile_Full_Access aspects on the entity of the renaming
the same way as the Volatile aspect is set.
* sem_util.ads (Is_Atomic_Object_Entity): Move declaration to...
(Is_Independent_Object): New function.
(Is_Volatile_Full_Access_Object): Likewise.
* sem_util.adb (Is_Atomic_Object_Entity): ...here.
(Prefix_Has_Atomic_Components): Minor tweak.
(Is_Atomic_Object): Test Is_Atomic on the Etype uniformly.
(Is_Atomic_Or_VFA_Object): Call Is_Volatile_Full_Access_Object.
(Is_Independent_Object): New predicate.
(Is_Subcomponent_Of_Atomic_Object): Remove redundant test.
(Is_Volatile_Full_Access_Object): New predicate.
(Is_Volatile_Prefix): Rename into...
(Prefix_Has_Volatile_Components): ... and call
Is_Volatile_Object.
(Object_Has_Volatile_Components): Delete.
(Is_Volatile_Object): Simplify.
* gcc-interface/trans.c (node_is_volatile_full_access): Adjust
comment.
From-SVN: r279429
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_prag.adb (Atomic_Components): Remove local variable and
fix consistency issues. Call Component_Type on the Etype of E.
(Independent_Components): Remove local variable.
* sem_util.adb (Is_Subcomponent_Of_Atomic_Object): Properly deal
with prefixes that are access values.
* gcc-interface/trans.c (atomic_acces_t): New enumeral type.
(node_is_atomic) <N_Indexed_Component>: Test the prefix.
(node_has_volatile_full_access): Rename into...
(node_is_volatile_full_access): ...this.
(node_is_component): New predicare.
(gnat_strip_type_conversion): Delete.
(outer_atomic_access_required_p): Likewise.
(atomic_access_required_p): Rename into...
(get_atomic_access): ...this. Implement the 3 different semantics
of Atomic and Volatile_Full_Access.
(simple_atomic_access_required_p): New predicate.
(Call_to_gnu): Remove outer_atomic_access parameter and change the
type of atomic_access parameter to atomic_acces_t. Replace call to
atomic_access_required_p with simple_atomic_access_required_p for
the in direction and call get_atomic_access for the out direction
instead of [outer_]atomic_access_required_p.
(lhs_or_actual_p): Constify local variables.
(present_in_lhs_or_actual_p): Likewise.
(gnat_to_gnu) <N_Identifier>: Replace call to atomic_access_required_p
with simple_atomic_access_required_p.
<N_Explicit_Dereference>: Likewise.
<N_Indexed_Component>: Likewise.
<N_Selected_Component>: Likewise.
<N_Assignment_Statement>: Call get_atomic_access for the name instead
of [outer_]atomic_access_required_p. Adjust call to Call_to_gnu.
<N_Function_Call>: Adjust call to Call_to_gnu.
(get_controlling_type): Fix typo in comment.
From-SVN: r279427
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch6.adb (Requires_Atomic_Or_Volatile_Copy): New predicate.
(Expand_Actuals): Use it to decide whether to add call by copy
code as per the RM C.6(19) clause.
* fe.h (Is_Atomic_Object): Remove.
(Is_Volatile_Object): Likewise.
* sem_util.ads (Is_Atomic_Object): Remove WARNING note.
(Is_Volatile_Object): Likewise.
* gcc-interface/trans.c (atomic_or_volatile_copy_required_p): Delete.
(Call_to_gnu): Do not implement the RM C.6(19) clause.
From-SVN: r279414
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2019-12-13 Javier Miranda <miranda@adacore.com>
gcc/ada/
* exp_disp.ads (Expand_Interface_Thunk): Adding one formal (the
interface type).
* exp_disp.adb (Expand_Interface_Thunk): Using the added formal
to ensure the correct profile of the thunk generated for
predefined primitives; in addition, the added formal is also
used to perform a check that ensures that the controlling type
of the thunk is the one expected by the GCC backend.
(Make_Secondary_DT, Register_Primitive): Adding the new formal
to the calls to Expand_Interface_Thunk.
* exp_ch6.adb (Register_Predefined_DT_Entry): Adding the new
formal to the call to Expand_Interface_Thunk.
* exp_intr.adb (Expand_Unc_Deallocation): When deallocating a
controlled type and the call to unchecked deallocation is
performed with a pointer to one of the convered interface types,
displace the pointer to the object to reference the base of the
object to deallocate its memory.
* gcc-interface/trans.c (maybe_make_gnu_thunk): Assert that the
controlling type of the thunk is an interface type.
From-SVN: r279351
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PR ada/92362
* gcc-interface/trans.c (gnat_to_gnu) <N_Attribute_Definition_Clause>:
Use a temporary instead of clobbering the result with a freeze node.
From-SVN: r278675
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* gcc-interface/decl.c (elaborate_reference_1): Specifically deal with
pointer displacement.
* gcc-interface/decl.c (components_to_record): Use proper name.
* gcc-interface/trans.c (Sloc_to_locus): Use standard types.
From-SVN: r276874
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numbers.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Named_{Integer|Real}>:
New case to deal with the definition of named numbers.
<E_Variable>: Minor tweaks. Set DECL_IGNORED_P on the CONST_DECL
if a corresponding variable is built.
* gcc-interface/trans.c (gnat_to_gnu) <N_Integer_Literal>: Return
error_mark_node instead of aborting on overflow for named numbers.
<N_Number_Declaration>: Reuse the <N_Object_Declaration> case and
deal with error_mark_node specifically.
* gcc-interface/utils.c (create_var_decl): Do not set DECL_IGNORED_P
on CONST_DECLs.
(gnat_write_global_declarations): Output global constants.
From-SVN: r276864
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|
* gcc-interface/trans.c (Regular_Loop_to_gnu): Do not rotate the loop
if -Og is enabled.
(build_return_expr): Do not perform NRV if -Og is enabled.
(Subprogram_Body_to_gnu): Likewise.
(gnat_to_gnu) <N_Simple_Return_Statement>: Likewise.
(Handled_Sequence_Of_Statements_to_gnu): Do not inline finalizers if
-Og is enabled.
* gcc-interface/utils.c (convert_to_index_type): Return early if -Og
is enabled.
From-SVN: r276047
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|
* gcc-interface/trans.c (gnat_compile_time_expr_list): New variable.
(Pragma_to_gnu): Rename local variable. Save the (first) expression
of pragma Compile_Time_{Error|Warning} for later processing.
(Compilation_Unit_to_gnu): Process the expressions saved above.
From-SVN: r276045
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of the node.
* gcc-interface/trans.c (Attribute_to_gnu): Test Can_Use_Internal_Rep
on the underlying type of the node.
(Call_to_gnu): Likewise with the type of the prefix.
From-SVN: r276041
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|
* gcc-interface/decl.c (maybe_saturate_size): New function.
(gnat_to_gnu_entity): Invoke it on the Esize of types before sending
it for back-annotations.
* gcc-interface/trans.c: Fix typo.
From-SVN: r275200
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|
* gcc-interface/ada-tree.h (DECL_FORCED_BY_REF_P): New macro.
* gcc-interface/decl.c (gnat_to_gnu_param): Set it on parameters
whose mechanism was forced to by-reference.
* gcc-interface/trans.c (Call_to_gnu): Do not issue a warning about a
misaligned actual parameter if it is based on a CONSTRUCTOR. Remove
obsolete warning for users of Starlet. Issue a warning if a temporary
is make around the call for a parameter with DECL_FORCED_BY_REF_P set.
(addressable_p): Return true for REAL_CST and ADDR_EXPR.
From-SVN: r275198
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|
* gcc-interface/trans.c (gnat_to_gnu): Do not set the location on an
expression used for a tag.
From-SVN: r275197
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|
* gcc-interface/trans.c (lvalue_required_p) <N_Slice>: Adjust GNU_TYPE
in the recursive call.
<N_Selected_Component>: Likewise.
From-SVN: r275191
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|
From-SVN: r275187
|
|
* gcc-interface/gigi.h (gigi_checking_assert): New macro.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Modular_Integer_Type>:
Remove redundant test and adjust comments. Minor tweaks.
* gcc-interface/trans.c (Call_to_gnu): Do not generate range checks,
instead assert that the Do_Range_Check flag is not set. Adjust call
to convert_with_check.
(gnat_to_gnu): Likewise.
(assoc_to_constructor): Likewise.
(pos_to_constructor): Likewise. Remove GNAT_COMPONENT_TYPE parameter.
(emit_range_check): Delete.
(convert_with_check): Remove RANGE_P parameter and adjust. Do a single
overflow check for modular types.
From-SVN: r275174
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This fixes a glitch introduced during the initial OpenACC work import
process, causing crashes on any Acc_Parallel + Acc_Loop combination.
2019-08-19 Olivier Hainque <hainque@adacore.com>
gcc/ada/
* gcc-interface/trans.c (Acc_Loop_to_gnu): Return the openacc
BIND_EXPR node we have constructed on purpose. Remove unused
variable.
gcc/testsuite/
* gnat.dg/openacc1.adb: New testcase.
From-SVN: r274638
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