Thomas Koenig [Sun, 16 Oct 2011 22:06:19 +0000 (22:06 +0000)]
frontend-passes.c (current_ns): Make static.
2011-10-16 Thomas Koenig <tkoenig@gcc.gnu.org>
* frontend-passes.c (current_ns): Make static.
(create_var): Note parent of newly created namespace.
(optimize_namespace): Don't wak sibling namespaces
if they are EXEC_BLOCK because this is handled...
(gfc_code_walker): ... here. Also walk ASSOCIATE lists.
Ira Rosen [Sun, 16 Oct 2011 13:47:54 +0000 (13:47 +0000)]
re PR tree-optimization/50727 (ICE with segfault in flow_bb_inside_loop_p)
PR tree-optimization/50727
* tree-vect-patterns.c (vect_operation_fits_smaller_type): Add
DEF_STMT to the list of statements to be replaced by the
pattern statements.
Ira Rosen [Sun, 16 Oct 2011 10:47:12 +0000 (10:47 +0000)]
tree-vect-stmts.c (vectorizable_load): For SLP without permutation treat the first load of the node as the first...
* tree-vect-stmts.c (vectorizable_load): For SLP without
permutation treat the first load of the node as the first
element in its interleaving chain.
* tree-vect-slp.c (vect_get_and_check_slp_defs): Swap the
operands if necessary and possible.
(vect_build_slp_tree): Add new argument. Allow load groups of
any size in basic blocks. Keep all the loads for further
permutation check. Use the new argument to determine if there
is a permutation. Update the recursive calls.
(vect_supported_load_permutation_p): Allow subchains of
interleaving chains in basic block vectorization.
(vect_analyze_slp_instance): Update the call to
vect_build_slp_tree. Check load permutation based on the new
parameter.
(vect_schedule_slp_instance): Don't start from the first element
in interleaving chain unless the loads are permuted.
Paolo Carlini [Sat, 15 Oct 2011 19:49:33 +0000 (19:49 +0000)]
re PR c++/50732 ([type_traits] is_base_of<Base, Derived> unnecessarily instantiates Base (which shouldn't be instantiated))
/cp
2011-10-15 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/50732
* semantics.c (finish_trait_expr): Do not try to instantiate the
the base type of an __is_base_of trait.
(check_trait_type): Return a tree; use complete_type_or_else.
/testsuite
2011-10-15 Paolo Carlini <paolo.carlini@oracle.com>
* tree-vect-slp.c: Include langhooks.h.
(vect_create_mask_and_perm): Emit VEC_PERM_EXPR, not a builtin.
(vect_transform_slp_perm_load): Use can_vec_perm_expr_p. Simplify
mask creation for VEC_PERM_EXPR.
* tree-vect-stmts.c (perm_mask_for_reverse): Return the mask,
not the builtin.
(reverse_vec_elements): Emit VEC_PERM_EXPR not a builtin.
* Makefile.in (tree-vect-slp.o): Update dependency.
* optabs.c (can_vec_perm_expr_p): Allow NULL as unknown constant.
Alan Modra [Sat, 15 Oct 2011 10:32:33 +0000 (21:02 +1030)]
re PR rtl-optimization/49941 (segmentation fault in redirect_jump_2)
PR rtl-optimization/49941
* jump.c (mark_jump_label_1): Set JUMP_LABEL for simple_return jumps.
* rtl.h (set_return_jump_label): Declare.
* function.c (set_return_jump_label): New function, extracted..
(thread_prologue_and_epilogue_insns): ..from here. Use it in
another instance to set return jump_label.
* cfgrtl.c (force_nonfallthru_and_redirect): Use set_return_jump_label.
* reorg.c (find_end_label): Likewise.
Arnaud Charlet [Sat, 15 Oct 2011 09:22:01 +0000 (11:22 +0200)]
[multiple changes]
2011-10-15 Bob Duff <duff@adacore.com>
* exp_ch6.adb (Add_Unconstrained_Actuals_To_Build_In_Place_Call):
Do not create a pool formal on unless RE_Root_Storage_Pool_Ptr
is available.
(Expand_N_Extended_Return_Statement): Do not create a renaming of the
build-in-place pool parameter unless RE_Root_Storage_Pool_Ptr is
available.
(Make_Build_In_Place_Call_In_Allocator): Add the user-defined
pool only if RE_Root_Storage_Pool_Ptr is available.
(Make_Build_In_Place_Call_In_Object_Declaration): Do not add a
pool actual unless RE_Root_Storage_Pool_Ptr is available.
* sem_ch6.adb (Create_Extra_Formals): Add build-in-place pool
formal only if RE_Root_Storage_Pool_Ptr is available.
David S. Miller [Sat, 15 Oct 2011 03:46:59 +0000 (03:46 +0000)]
Fix mv8plus, allow targetting Linux or Solaris from other sparc host.
* config/sparc/sol2.h: Protect -m{cpu,tune}=native handling
with a more complete cpp test.
* config/sparc/linux64.h: Likewise.
* config/sparc/linux.h: Likewise.
* config/sparc/sparc.opt (sparc_debug): New target variable.
(mdebug): New target option.
* config/sparc/sparc.h (MASK_DEBUG_OPTIONS, MASK_DEBUG_ALL,
TARGET_DEBUG_OPTIONS): New defines.
* config/sparc/sparc.c (debug_target_flag_bits,
debug_target_flags): New functions.
(sparc_option_override): Add name strings back to cpu_table[].
Parse -mdebug string. When TARGET_DEBUG_OPTIONS is true, print
out the target flags before and after override processing as well
as the selected cpu. If MASK_V8PLUS, make sure that the selected
cpu is at least v9.
Oleg Endo [Sat, 15 Oct 2011 02:32:53 +0000 (02:32 +0000)]
re PR target/49263 (SH Target: underutilized "TST #imm, R0" instruction)
PR target/49263
* config/sh/sh.h (ZERO_EXTRACT_ANDMASK): New macro.
* config/sh/sh.c (sh_rtx_costs): Add test instruction case.
* config/sh/sh.md (tstsi_t): Name existing insn. Make inner
and instruction commutative.
(tsthi_t, tstqi_t, tstqi_t_zero, tstsi_t_and_not,
tstsi_t_zero_extract_eq, tstsi_t_zero_extract_xor,
tstsi_t_zero_extract_subreg_xor_little,
tstsi_t_zero_extract_subreg_xor_big): New insns.
(*movsicc_t_false, *movsicc_t_true): Replace space with tab in
asm output.
(*andsi_compact): Reorder alternatives so that K08 is considered
first.
* gcc.target/sh/pr49263.c: New.
Jakub Jelinek [Fri, 14 Oct 2011 19:25:07 +0000 (21:25 +0200)]
sse.md (vec_widen_smult_hi_v8hi, [...]): Macroize using VI2_AVX2 mode iterator and any_extend code iterator.
* config/i386/sse.md (vec_widen_smult_hi_v8hi,
vec_widen_smult_lo_v8hi, vec_widen_umult_hi_v8hi,
vec_widen_umult_lo_v8hi): Macroize using VI2_AVX2
mode iterator and any_extend code iterator.
(vec_widen_<s>mult_hi_v8si, vec_widen_<s>mult_lo_v8si): New
expanders.
(vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si): Enable
also for TARGET_SSE4_1 using pmuldq insn.
(sdot_prodv8hi): Macroize using VI2_AVX2 iterator.
(sse2_sse4_1): New code attr.
(udot_prodv4si): Macroize using any_extend code iterator.
(<s>dot_prodv8si): New expander.
* gcc.target/i386/sse2-mul-1.c: New test.
* gcc.target/i386/sse4_1-mul-1.c: New test.
* gcc.target/i386/avx-mul-1.c: New test.
* gcc.target/i386/xop-mul-1.c: New test.
* gcc.target/i386/avx2-mul-1.c: New test.
Georg-Johann Lay [Fri, 14 Oct 2011 15:42:33 +0000 (15:42 +0000)]
re PR target/46278 (avr-gcc 4.5.1 doing suboptimal reloads using X)
PR target/46278
* doc/invoke.texi (AVR Options): Document -mstrict-X.
* config/avr/avr.opt (-mstrict-X): New option.
(avr_strict_X): New variable reflecting -mstrict-X.
* config/avr/avr.c (avr_reg_ok_for_addr_p): Add parameter
outer_code and pass it down to avr_regno_mode_code_ok_for_base_p.
(avr_legitimate_address_p): Pass outer_code to
avr_reg_ok_for_addr_p and use that function in case PLUS.
(avr_mode_code_base_reg_class): Depend on avr_strict_X.
(avr_regno_mode_code_ok_for_base_p): Ditto, and depend on outer_code.
(avr_option_override): Disable -fcaller-saves if -mstrict-X is on.
Arnaud Charlet [Fri, 14 Oct 2011 15:12:32 +0000 (17:12 +0200)]
[multiple changes]
2011-10-14 Ed Schonberg <schonberg@adacore.com>
* exp_disp.adb (Check_Premature_Freezing): If an untagged type
is a generic actual, it is a subtype of a type that was frozen
by the instantiation, and even if not marked frozen it does not
affect the construction of the dispatch table.
Jakub Jelinek [Fri, 14 Oct 2011 15:05:55 +0000 (17:05 +0200)]
sse.md (mulv2di3): Macroize using VI8_AVX2 iterator.
* config/i386/sse.md (mulv2di3): Macroize using VI8_AVX2
iterator.
(ashl<mode>3): Use VI248_AVX2 iterator instead of VI248_128.
Use <sseinsnmode> instead of TI in mode attr.
* exp_ch6.adb (Add_Task_Actuals_To_Build_In_Place_Call):
Code and comment reformatting. Use BIP_Task_Master
when creating a _master.
(BIP_Formal_Suffix): Code reformatting. Correct the case for
BIP_Task_Master.
(Make_Build_In_Place_Call_In_Object_Declaration): Use
BIP_Task_Master when creating a reference to the enclosing
function's _master formal.
(Move_Activation_Chain): Use BIP_Task_Master when creating a reference
to the _master.
* exp_ch6.ads: Change BIP_Master to BIP_Task_Master.
(Needs_BIP_Finalization_Master): Alphabetized.
* sem_ch6.adb (Create_Extra_Formals): Update the usage of
BIP_Task_Master.
2011-10-14 Ed Schonberg <schonberg@adacore.com>
* par-ch6.adb (P_Return_Object_Declaration): In Ada 2012 mode,
reject an aliased keyword on the object declaration of an extended
return statement. In older versions of the language indicate
that this is illegal in the standard.
2011-10-14 Pascal Obry <obry@adacore.com>
* sem_util.adb, sem_ch4.adb: Minor reformatting.
2011-10-14 Ed Schonberg <schonberg@adacore.com>
* sem_ch13.adb: Recognize properly procedure calls that are
transformed into code statements.
gcc/testsuite/
2011-10-14 David Alan Gilbert <david.gilbert@linaro.org>
* gcc.dg/di-longlong64-sync-1.c: New test.
* gcc.dg/di-sync-multithread.c: New test.
* gcc.target/arm/di-longlong64-sync-withhelpers.c: New test.
* gcc.target/arm/di-longlong64-sync-withldrexd.c: New test.
* lib/target-supports.exp: (arm_arch_*_ok): Series of effective-target
tests for v5, v6, v6k, and v7-a, and add-options helpers.
(check_effective_target_arm_arm_ok): New helper.
(check_effective_target_sync_longlong): New helper.
linux-atomic-64bit.c: New (based on linux-atomic.c).
gcc/
2011-10-14 David Alan Gilbert <david.gilbert@linaro.org>
* config/arm/linux-atomic-64bit.c: New (based on linux-atomic.c).
* config/arm/linux-atomic.c: Change comment to point to 64bit version.
(SYNC_LOCK_RELEASE): Instantiate 64bit version.
* config/arm/t-linux-eabi: Pull in linux-atomic-64bit.c.
gcc/
2011-10-14 David Alan Gilbert <david.gilbert@linaro.org>
* config/arm/arm.c (arm_output_ldrex): Support ldrexd.
(arm_output_strex): Support strexd.
(arm_output_it): New helper to output it in Thumb2 mode only.
(arm_output_sync_loop): Support DI mode. Change comment to
not support const_int.
(arm_expand_sync): Support DI mode.
* config/arm/arm.h (TARGET_HAVE_LDREXBHD): Split into LDREXBH
and LDREXD.
* config/arm/iterators.md (NARROW): move from sync.md.
(QHSD): New iterator for all current ARM integer modes.
(SIDI): New iterator for SI and DI modes only.
* config/arm/sync.md (sync_predtab): New mode_attr.
(sync_compare_and_swapsi): Fold into sync_compare_and_swap<mode>.
(sync_lock_test_and_setsi): Fold into sync_lock_test_and_setsi<mode>.
(sync_<sync_optab>si): Fold into sync_<sync_optab><mode>.
(sync_nandsi): Fold into sync_nand<mode>.
(sync_new_<sync_optab>si): Fold into sync_new_<sync_optab><mode>.
(sync_new_nandsi): Fold into sync_new_nand<mode>.
(sync_old_<sync_optab>si): Fold into sync_old_<sync_optab><mode>.
(sync_old_nandsi): Fold into sync_old_nand<mode>.
(sync_compare_and_swap<mode>): Support SI & DI.
(sync_lock_test_and_set<mode>): Likewise.
(sync_<sync_optab><mode>): Likewise.
(sync_nand<mode>): Likewise.
(sync_new_<sync_optab><mode>): Likewise.
(sync_new_nand<mode>): Likewise.
(sync_old_<sync_optab><mode>): Likewise.
(sync_old_nand<mode>): Likewise.
(arm_sync_compare_and_swapsi): Turn into iterator on SI & DI.
(arm_sync_lock_test_and_setsi): Likewise.
(arm_sync_new_<sync_optab>si): Likewise.
(arm_sync_new_nandsi): Likewise.
(arm_sync_old_<sync_optab>si): Likewise.
(arm_sync_old_nandsi): Likewise.
(arm_sync_compare_and_swap<mode> NARROW): use sync_predtab, fix indent.
(arm_sync_lock_test_and_setsi<mode> NARROW): Likewise.
(arm_sync_new_<sync_optab><mode> NARROW): Likewise.
(arm_sync_new_nand<mode> NARROW): Likewise.
(arm_sync_old_<sync_optab><mode> NARROW): Likewise.
(arm_sync_old_nand<mode> NARROW): Likewise.
Nicola Pero [Fri, 14 Oct 2011 10:19:01 +0000 (10:19 +0000)]
In gcc/: 2011-10-14 Nicola Pero <nicola.pero@meta-innovation.com>
In gcc/:
2011-10-14 Nicola Pero <nicola.pero@meta-innovation.com>
* gengtype.c (files_rules): Added rules for objc/objc-map.h and
objc/objc-map.c.
In gcc/objc/:
2011-10-14 Nicola Pero <nicola.pero@meta-innovation.com>
* objc-map.h: New file.
* objc-map.c: New file.
* config-lang.in (gtfiles): Added objc-map.h.
* Make-lang.in (OBJC_OBJS): Added objc-map.o.
(objc/objc-map.o): New rule.
(objc/objc-act.o): Depend on objc/objc-map.h.
* objc-next-runtime-abi-02.c: Added a TODO comment.
* objc-act.c: Include objc-map.h.
(nst_method_hash_list, cls_method_hash_list): Removed.
(instance_method_map, class_method_map): New.
(cls_name_hash_list, als_name_hash_list): Removed.
(class_name_map, alias_name_map): Removed.
(ivar_offset_hash_list): Removed.
(hash_class_name_enter, hash_class_name_lookup, hash_enter,
hash_lookup, hash_add_attr, add_method_to_hash_list): Removed.
(interface_hash_init): New.
(objc_init): Call interface_hash_init.
(objc_write_global_declarations): Iterate over class_method_map
and instance_method_map instead of cls_method_hash_list and
nst_method_hash_list.
(objc_declare_alias): Use alias_name_map instead of
cls_name_hash_list.
(objc_is_class_name): Use class_name_map and alias_name_map
instead of cls_name_hash_list and als_name_hash_list.
(interface_tuple, interface_htab, hash_interface, eq_interface):
Removed.
(interface_map): New.
(add_class): Renamed to add_interface. Use interface_map instead
of interface_htab.
(lookup_interface): Use interface_map instead of interface_htab.
(check_duplicates): Changed first argument to be a tree,
potentially a TREE_VEC, instead of a hash. Changed implementation
to match.
(lookup_method_in_hash_lists): Use class_method_map and
instance_method_map instead of cls_method_hash_list and
nst_method_hash_list.
(objc_build_selector_expr): Likewise.
(hash_func): Removed.
(hash_init): Create instance_method_map, class_method_map,
class_name_map, and alias_name_map. Do not create
nst_method_hash_list, cls_method_hash_list, cls_name_hash_list,
als_name_hash_list, and ivar_offset_hash_list.
(insert_method_into_method_map): New.
(objc_add_method): Use insert_method_into_method_map instead of
add_method_to_hash_list.
(start_class): Call add_interface instead of add_class.
* objc-act.h (cls_name_hash_list, als_name_hash_list,
nst_method_hash_list, cls_method_hash_list): Removed.
In gcc/objcp/:
2011-10-14 Nicola Pero <nicola.pero@meta-innovation.com>
* Make-lang.in (OBJCXX_OBJS): Added objc-map.o.
(objcp/objc-map.o): New rule.
(objcp/objcp-act.o): Depend on objc/objc-map.h.
* config-lang.in (gtfiles): Added objc-map.h.
Iain Sandoe [Fri, 14 Oct 2011 08:13:04 +0000 (08:13 +0000)]
re PR bootstrap/50699 (Bootstrap fails on *-apple-darwin* due to revision 179820)
gcc:
PR bootstrap/50699
* config/darwin.c (darwin_patch_builtin): Adjust argument type. Only
build for powerpc targets. (darwin_patch_builtins): Only build for
powerpc targets.
Jonathan Yong [Fri, 14 Oct 2011 06:57:55 +0000 (06:57 +0000)]
configure.host: Use config/os/mingw32-w64 instead of config/os/mingw32 if vendor key is "w64".
2011-10-14 Jonathan Yong <jon_y@users.sourceforge.net>
* configure.host: Use config/os/mingw32-w64 instead of
config/os/mingw32 if vendor key is "w64".
* config/os/mingw32-w64: Duplicate from config/os/mingw32.
* config/os/mingw32-w64/os_defines.h: Enable
_GLIBCXX_FULLY_DYNAMIC_STRING if undefined.
* acinclude.m4: Set fully-dynamic-string to 1 when enabled,
0 when disabled or undefined if unset by user.
* include/bits/basic_string.h: Check if
_GLIBCXX_FULLY_DYNAMIC_STRING is set to 0 instead of undefined.
include/bits/basic_string.tcc: Likewise.
* configure: Regenerated.
* config.h.in: Likewise.
Jason Merrill [Thu, 13 Oct 2011 21:23:47 +0000 (17:23 -0400)]
re PR c++/50614 ([C++0x] ICE: tree check: expected field_decl, have identifier_node in component_ref_field_offset, at expr.c:6697 with -fcompare-debug and a non-static initializer)
PR c++/50614
* cp-tree.h (VAR_TEMPL_TYPE_FIELD_OR_FUNCTION_DECL_CHECK): New.
(DECL_TEMPLATE_INFO): Use it.
* pt.c (tsubst_decl) [FIELD_DECL]: Set DECL_TEMPLATE_INFO
if the decl has an NSDMI.
* init.c (perform_member_init): Use it.
David S. Miller [Thu, 13 Oct 2011 21:15:44 +0000 (21:15 +0000)]
Fix the RTL of some sparc VIS patterns.
* config/sparc/sparc.md (UNSPEC_FPMERGE): Delete.
(UNSPEC_MUL16AU, UNSPEC_MUL8, UNSPEC_MUL8SU, UNSPEC_MULDSU): New
unspecs.
(fpmerge_vis): Remove inaccurate comment, represent using vec_select
of a vec_concat.
(vec_interleave_lowv8qi, vec_interleave_highv8qi): New insns.
(fmul8x16_vis, fmul8x16au_vis, fmul8sux16_vis, fmuld8sux16_vis):
Reimplement as unspecs and remove inaccurate comments.
(vis3_shift_patname): New code attr.
(<vis3_shift_insn><vbits>_vis): Rename to "v<vis3_shift_patname><mode>3".
(vis3_addsub_ss_patname): New code attr.
(<vis3_addsub_ss_insn><vbits>_vis): Rename to
"<vis3_addsub_ss_patname><mode>3".
* config/sparc/sparc.c (sparc_vis_init_builtins): Update to
accommodate pattern name changes.
Diego Novillo [Thu, 13 Oct 2011 18:26:08 +0000 (14:26 -0400)]
cp-tree.h (struct language_function): Rename in_function_try_handler to x_in_function_try_handler.
* cp-tree.h (struct language_function): Rename in_function_try_handler
to x_in_function_try_handler.
Rename in_base_initializer to x_in_base_initializer.
Update all users.
Jakub Jelinek [Thu, 13 Oct 2011 16:08:04 +0000 (18:08 +0200)]
sse.md (reduc_umin_v8hi): New pattern.
* config/i386/sse.md (reduc_umin_v8hi): New pattern.
* config/i386/i386.c (ix86_build_const_vector): Handle
also V32QI, V16QI, V16HI and V8HI modes.
(emit_reduc_half): New function.
(ix86_expand_reduc): Use phminposuw insn for V8HImode UMIN.
Use emit_reduc_half helper function.
* gcc.target/i386/sse4_1-phminposuw-2.c: New test.
* gcc.target/i386/sse4_1-phminposuw-3.c: New test.
* gcc.target/i386/avx-vphminposuw-2.c: New test.
* gcc.target/i386/avx-vphminposuw-3.c: New test.
Lawrence Crowl [Thu, 13 Oct 2011 15:41:52 +0000 (15:41 +0000)]
lto-streamer-in.c (input_struct_function_base): Factor out of ...
2011-10-12 Lawrence Crowl <crowl@google.com>
Diego Novillo <dnovillo@google.com>
* lto-streamer-in.c (input_struct_function_base): Factor out of ...
(input_function): ... here.
* lto-streamer-out.c (output_struct_function_base): Factor out of ...
(output_function): ... here.
Co-Authored-By: Diego Novillo <dnovillo@google.com>
From-SVN: r179928
Gabriel Charette [Thu, 13 Oct 2011 15:40:29 +0000 (15:40 +0000)]
streamer-hooks.h (struct streamer_hooks): Add hooks input_location and output_location.
2011-10-12 Gabriel Charette <gchare@google.com>
Diego Novillo <dnovillo@google.com>
* streamer-hooks.h (struct streamer_hooks): Add hooks
input_location and output_location.
* lto-streamer-in.c (lto_input_location): Use
streamer_hooks.input_location, if set.
* lto-streamer-out.c (lto_output_location): Use
streamer_hooks.output_location, if set.
Co-Authored-By: Diego Novillo <dnovillo@google.com>
From-SVN: r179927
Richard Guenther [Thu, 13 Oct 2011 12:07:44 +0000 (12:07 +0000)]
re PR middle-end/50712 (invalid argument to gimple call)
2011-10-13 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50712
* ipa-split.c (split_function): Always re-gimplify parameters
when they are not gimple vals before passing them. Properly
check for type compatibility.
Arnaud Charlet [Thu, 13 Oct 2011 11:05:50 +0000 (13:05 +0200)]
[multiple changes]
2011-10-13 Ed Schonberg <schonberg@adacore.com>
* sem_util.ads, sem_util.adb (Available_Full_View_Of_Component):
New predicate to determine whether some operations on an array
type are available when the full view of its component may differ
from the view of the point of the array declaration.
* sem_ch4.adb (Find_Equality_Types): Use
Available_Full_View_Of_Component.
* sem_type.adb (Valid_Boolean_Arg, Valid_Comparison_Arg): Ditto
2011-10-13 Ed Schonberg <schonberg@adacore.com>
* sem_ch9.adb: Analyze aspects while discriminants of protected
type are visible.
2011-10-13 Geert Bosch <bosch@adacore.com>
* Makefile.rtl (GNATRTL_TASKING_OBJECTS): Add
a-nlcoar.o, a-nllcar.o, a-nucoar.o and s-gearop.o, as these no
longer depend on an external library.
* gcc-interface/Makefile.in (GNATRTL_LINEARALGEBRA_OBJS): Remove
a-nlcoar.o, a-nllcar.o, a-nucoar.o and s-gearop.o.
Update dependencies.
* gcc-interface/Make-lang.in: Update dependencies.
* exp_ch3.adb (Build_Master): Rewritten.
(Expand_N_Full_Type_Declaration): Reformat the declarative
region. Update the call to Build_Master_Renaming.
(Expand_Previous_Access_Type): Rewritten.
* exp_ch6.adb (Add_Task_Actuals_To_Build_In_Place_Call):
Add local constant Result_Subt and update related usage.
(Expand_N_Extended_Return_Statement): Add local constant
Result_Subt and update related usage.
* exp_ch9.adb (Build_Activation_Chain): Rewritten to use the
new context detection mechanism.
(Build_Class_Wide_Master):
Use Insert_Action to add the renaming into the tree.
(Build_Master_Entity): Rewritten to use the new context detection
mechanism.
(Build_Master_Renaming): Add formal parameter Ins_Nod
and related usage. Use Insert_Action to add the renaming into the
tree.
(Find_Enclosing_Context): New subsidiary routine. Rather
than relying on enclosing scopes, this routine looks at the
tree structure to figure out the proper context for a _master
or a _chain. This approach eliminates the issues with transient
scopes which have not been converted into blocks.
* exp_ch9.ads (Build_Master_Entity): Change parameter profile
to better reflect the new usage. Update the related comment.
(Build_Master_Renaming): Add formal parameter Ins_Nod. Update
the comment on usage.
* sem_ch3.adb (Access_Definition): Update the calls to
Build_Master_Entity and Build_Master_Renaming.
* sem_ch6.adb (Create_Extra_Formals): Add local variable
Full_Subt. Code reformatting.
* sem_util.adb (Is_Iterator): Alphabetized.
(Is_LHS): Alphabetized.
(Is_Limited_Class_Wide_Type): New routine.
* sem_util.ads (Is_Limited_Class_Wide_Type): New routine.