Mark Mitchell [Thu, 1 Apr 2004 23:30:25 +0000 (23:30 +0000)]
re PR target/14040 (ARM cross compiler: error: could not split insn)
PR target/14040
* genemit.c (gen_split): Change prototype of generated code.
* genrecog.c (write_action): Adjust prototype for and calls to
gen_split_*.
* gensupport.c (struct queue_elem): Add split field.
(queue_pattern): Return a value. Clear the split field.
(process_rtx): Maintain an association between an insn and the
split generated from it for a define_insn_and_split.
(process_one_cond_exec): Generate a new split for a
define_insn_and_split.
* config/arm/arm-protos.h (arm_split_constant): Add insn
parameter.
(emit_constant_insn): New function.
(arm_gen_constant): Use it.
* config/arm/arm.md: Adjust calls to arm_split_constant.
Paolo Carlini [Thu, 1 Apr 2004 21:47:59 +0000 (21:47 +0000)]
mt_allocator.h (__mt_alloc<>::_S_initialize): Streamline the second half...
2004-04-01 Paolo Carlini <pcarlini@suse.de>
* include/ext/mt_allocator.h (__mt_alloc<>::_S_initialize):
Streamline the second half, wrapping it in a single
'#ifdef __GTHREADS if (__gthread_active_p())' and avoiding
conditionals inside loops.
Richard Kenner [Thu, 1 Apr 2004 13:41:37 +0000 (13:41 +0000)]
expr.c (get_inner_reference): Use DECL_UNSIGNED, not TREE_UNSIGNED.
* expr.c (get_inner_reference): Use DECL_UNSIGNED, not TREE_UNSIGNED.
* stor-layout.c (layout_decl): Likewise.
* tree.c (get_narrower): Likewise and also use BIT_FIELD_REF_UNSIGNED.
* fold-const.c (make_bit_field_ref): Use BIT_FIELD_REF_UNSIGNED.
* print-tree.c (print_node): Handle various used of unsigned_flag.
* tree.def (BIT_FIELD_REF): Update comment.
* tree.h (TREE_UNSIGNED): Deleted.
(DECL_UNSIGNED, BIT_FIELD_REF_UNSIGNED): New macros.
* cp/class.c (VTT_TOP_LEVEL_P): Use unsigned_flag directly.
* f/com.c (ffe_truthvalue_conversion, case COMPONENT_REF):
Use DECL_UNSIGNED and integer_onep.
* checks.adb: Minor reformatting throughout
Note that prev checkin added RM reference to alignment warning
2004-04-01 Ed Schonberg <schonberg@gnat.com>
* exp_aggr.adb (Get_Component_Val): Treat a string literal as
non-static when building aggregate for bit-packed array.
* exp_ch4.adb (Expand_N_Slice): If a packed slice is an actual of a
function call that is itself the actual in a procedure call, build
temporary for it.
* exp_pakd.adb (Expand_Bit_Packed_Element_Set): If right-hand side is
a string literal, create a temporary for it, constant folding only
handles scalars here.
2004-04-01 Vincent Celier <celier@gnat.com>
* ali-util.adb (Post_Scan, Error_Msg, Error_Msg_S, Error_Msg_SC,
Error_Msg_SP): New empty procedures to instantiate the Scanner.
(Style, Scanner): Instantiations of Styleg and Scng to be able to scan
tokens.
(Accumulate_Checksum, Initialize_Checksum): Remove procedures.
(Get_File_Checksum): Use the instantiated scanner to scan all the tokens
and get the checksum.
* make.adb (Gnatmake): Do not insert into Q the Main_Source if it is
already in the Q.
Increase the Marking_Label at the end of the Multiple_Main_Loop,
instead of at the beginning.
* osint.adb (Lib_File_Name): Use Multi_Unit_Index_Character, not '~'
directly.
(Osint package elaboration): Change Multi_Unit_Index_Character to '$' if
on VMS.
* osint.ads (Multi_Unit_Index_Character): New Character global variable
* osint-c.adb (Set_Library_Info_Name): Use Multi_Unit_Index_Character,
not '~' directly.
* par.adb: Remove test on file name to detect language defined units.
Add test on unit name, after parsing, to detect language defined units
that are not compiled with -gnatg (except System.RPC and its children)
* par-ch10.adb (P_Compilation_Unit): In multi-unit sources, scan the
following units without style checking.
* switch-c.adb: Change -gnatC to -gnateI
* usage.adb: Document new switch -gnateInnn
* scng.adb (Accumulate_Token_Checksum): New procedure
(Scan): Call Accumulate_Token_Checksum after each identifier, reserved
word or literal number.
(Scan.Nlit.Scan_Integer): Do not accumulate internal '_' in litteral
numbers.
* sem_ch3.adb (Access_Definition): Properly set the null-excluding
attribute.
* sinfo.ads: Complete documentation of previous change
2004-04-01 GNAT Script <nobody@gnat.com>
* Make-lang.in: Makefile automatically updated
2004-04-01 Pascal Obry <obry@gnat.com>
* gnatlink.adb (Process_Binder_File): Remove duplicate linker options
only on VMS. This special handling was done because an old GNU/ld bug
on Windows which has been fixed.
Andrew Pinski [Wed, 31 Mar 2004 16:06:56 +0000 (16:06 +0000)]
t-darwin (LIB2FUNCS_STATIC_EXTRA): Add darwin-fpsave.asm, darwin-vecsave.asm, and darwin-world.asm.
2004-03-21 Andrew Pinski <pinskia@physics.uc.edu>
* config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA):
Add darwin-fpsave.asm, darwin-vecsave.asm,
and darwin-world.asm.
(TARGET_LIBGCC2_CFLAGS): Add -Wa,-force_cpusubtype_ALL
as the asm files contain altivec instructions.
* config/rs6000/darwin-fpsave.asm: New file.
* config/rs6000/darwin-vecsave.asm: New file.
* config/rs6000/darwin-world.asm: New file.
Paolo Carlini [Wed, 31 Mar 2004 09:13:10 +0000 (09:13 +0000)]
c_locale.cc (__convert_to_v(long double&)): In v3 uses of sscanf...
2004-03-31 Paolo Carlini <pcarlini@suse.de>
* config/locale/generic/c_locale.cc (__convert_to_v(long double&)):
In v3 uses of sscanf, the special floating-point numbers INF,
INFINITY, etc., cannot occur in input, therefore, if the latter
is too large, ERANGE is always stored in errno, no need of finitel.
Zack Weinberg [Tue, 30 Mar 2004 19:19:06 +0000 (19:19 +0000)]
gengtype.c (create_option): New function.
* gengtype.c (create_option): New function.
* gengtype.h: Prototype it.
* gengtype-yacc.y (stringseq): New rule.
(option): Use create_option. Add new bare ID production. Use
stringseq, not STRING directly.
* alias.c, bitmap.c, c-decl.c, cgraph.h, cpplib.h, cselib.h
* dwarf2out.c, emit-rtl.c, function.h, lists.c, tree.h
* varray.h, config/alpha/alpha.c, cp/name-lookup.c, cp/parser.c
* f/com.c, java/builtins.c, java/expr.c, java/jcf.h, java/parse.h:
Use new shorter form of GTY markers.
Hartmut Penner [Tue, 30 Mar 2004 08:25:30 +0000 (08:25 +0000)]
rs6000.c (output_vec_const_move): Find all cases of EASY_VECTOR_15_ADD_SELF.
* config/rs6000/rs6000.c (output_vec_const_move):
Find all cases of EASY_VECTOR_15_ADD_SELF.
(easy_vector_constant_add_self): Accept
all vector constant loadable by vsplt* and vadd*.
(easy_vector_same): Use easy_vector_splat_const.
(easy_vector_const): Use easy_vector_splat_const.
(easy_vector_splat_const): New function.
(gen_easy_vector_constant_add_self): New function.
* config/rs6000/rs6000-protos.c (gen_easy_vector_constant_add_self):
New prototype.
* config/rs6000/altivec.md (movv4si splitter): Change to
emit move insn with halfed vector constant.
(*movv8hi splitter): Likewise.
(*movv16qi splitter): Likewise.
Arnaud Charlet [Mon, 29 Mar 2004 12:03:27 +0000 (14:03 +0200)]
[multiple changes]
2004-03-29 Javier Miranda <miranda@gnat.com>
* checks.adb (Null_Exclusion_Static_Checks): New subprogram
(Install_Null_Excluding_Check): Local subprogram that determines whether
an access node requires a runtime access check and if so inserts the
appropriate run-time check.
(Apply_Access_Check): Call Install_Null_Excluding check if required
(Apply_Constraint_Check): Call Install_Null_Excluding check if required
* checks.ads: (Null_Exclusion_Static_Checks): New subprogram
* einfo.ads: Fix typo in comment
* exp_ch3.adb (Build_Assignment): Generate conversion to the
null-excluding type to force the corresponding run-time check.
(Expand_N_Object_Declaration): Generate conversion to the null-excluding
type to force the corresponding run-time check.
* exp_ch5.adb (Expand_N_Assignment_Statement): Generate conversion to
the null-excluding type to force the corresponding run-time check.
* exp_ch6.adb (Expand_Call): Do not generate the run-time check in
case of access types unless they have the null-excluding attribute.
* sprint.adb (Sprint_Node_Actual): Give support to the null-exclusing
part.
* exp_util.ads: Fix typo in comment
* par.adb (P_Null_Exclusion): New subprogram
(P_Subtype_Indication): New formal that indicates if the null-excluding
part has been scanned-out and it was present
* par-ch3.adb, par-ch4.adb, par-ch6.adb: Give support to AI-231
* sem_aggr.adb: (Check_Can_Never_Be_Null): New subprogram
(Aggregate_Constraint_Checks): Generate conversion to the null-excluding
type to force the corresponding run-time check
(Resolve_Aggregate): Propagate the null-excluding attribute to the array
components
(Resolve_Array_Aggregate): Carry out some static checks
(Resolve_Record_Aggregate.Get_Value): Carry out some static check
* sem_ch3.adb (Access_Definition): In Ada 0Y the Can_Never_Be_Null
attribute must be set only if specified by means of the null-excluding
part. In addition, we must also propagate the access-constant attribute
if present.
(Access_Subprogram_Declaration, Access_Type_Declaration,
Analyze_Component_Declaration, Analyze_Object_Declaration,
Array_Type_Declaration, Process_Discriminants,
Analyze_Subtype_Declaration): Propagate the null-excluding attribute
and carry out some static checks.
(Build_Derived_Access_Type): Set the null-excluding attribute
(Derived_Type_Declaration, Process_Subtype): Carry out some static
checks.
* sem_ch4.adb (Analyze_Allocator): Carry out some static checks
* sem_ch5.adb (Analyze_Assignment): Carry out some static checks
* sem_ch6.adb (Process_Formals): Carry out some static checks.
(Set_Actual_Subtypes): Generate null-excluding subtype if the
null-excluding part was present; it is not required to be done here in
case of anonymous access types.
(Set_Formal_Mode): Ada 0Y allows anonymous access to have the null
value.
* sem_res.adb (Resolve_Actuals): Carry out some static check
(Resolve_Null): Allow null in anonymous access
* sinfo.adb: New subprogram Null_Exclusion_Present
All_Present and Constant_Present available on access_definition nodes
* sinfo.ads: New flag Null_Exclusion_Present on subtype_declaration,
object_declaration, derived_type_definition, component_definition,
discriminant_specification, access_to_object_definition,
access_function_definition, allocator, access_procedure_definition,
access_definition, parameter_specification, All_Present and
Constant_Present flags available on access_definition nodes.
* par.adb: Change test for s-rpc to s-rp for detecting rpc and children
* par.adb, memtrack.adb, prj-makr.adb, prj-part.adb,
sem_util.adb: Minor reformatting
* sem_ch12.adb: Add comment for previous change
2004-03-29 Laurent Pautet <pautet@act-europe.fr>
* osint.adb (Executable_Prefix): Set Exec_Name to the current
executable name when not initialized. Otherwise, use its current value.
* osint.ads (Exec_Name): Move Exec_Name from body to spec in order to
initialize it to another executable name than the current one. This
allows to configure paths for an executable name (gnatmake) different
from the current one (gnatdist).
2004-03-29 Ed Schonberg <schonberg@gnat.com>
* exp_ch6.adb (Expand_Call): A call to a function declared in the
current unit cannot be inlined if it appears in the body of a withed
unit, to avoid order of elaboration problems in gigi.
* exp_ch9.adb (Build_Protected_Sub_Specification): Generate debugging
information for protected (wrapper) operation as well, to simplify gdb
use.
* sem_ch6.adb (Analyze_Subprogram_Body): For a private operation in a
protected body, indicate that the entity for the generated spec comes
from source, to ensure that references are properly generated for it.
(Build_Body_To_Inline): Do not inline a function that returns a
controlled type.
* sem_prag.adb (Process_Convention): If subprogram is overloaded, only
apply convention to homonyms that are declared explicitly.
* sem_res.adb (Make_Call_Into_Operator): If the operation is a function
that renames an equality operator and the operands are overloaded,
resolve them with the declared formal types, before rewriting as an
operator.
Zack Weinberg [Sun, 28 Mar 2004 17:45:57 +0000 (17:45 +0000)]
re PR c/14734 (Error recovery problem with undeclared array bounds)
* c-decl.c: Verify that C_SIZEOF_STRUCT_LANG_IDENTIFIER is correct.
(struct c_binding, struct c_scope): Add chain_next
attributes to GTY markers.
(struct lang_identifier, struct lang_tree_node): Define
here...
* c-tree.h: ... not here. No longer need to declare struct
c_binding either. Do define C_SIZEOF_STRUCT_LANG_IDENTIFIER.
* c-lang.c, objc/objc-lang.c: Set LANG_HOOKS_IDENTIFIER_SIZE
to C_SIZEOF_STRUCT_LANG_IDENTIFIER.
PR 14734, 11944
* c-decl.c (get_parm_info): If error_mark_node is encountered
in the bindings chain, unbind and discard it; don't abort.
* testsuite/gcc.dg/noncompile/undeclared-2.c: New test.
Chavdar Botev [Sun, 28 Mar 2004 16:27:27 +0000 (16:27 +0000)]
re PR libstdc++/14245 ([3.4 only] problem with user-defined allocators in std::basic_string)
2004-03-28 Chavdar Botev <cbotev@yahoo.com>
PR libstdc++/14245
* include/bits/basic_string.tcc
(basic_string::basic_string(const basic_string&)): Pass to
_Rep::_M_grab the actual allocator of the string being constructed
not the default constructed one.
* config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute): New.
(m68hc11_attribute_table): New attribute "page0" to mark a global
variable as being allocated from within page0 section.
(m68hc11_encode_label): New function.
(m68hc11_strip_name_encoding): New function.
(m68hc11_page0_symbol_p): New function.
(m68hc11_indirect_p): Accept global variables marked in page0.
(m68hc11_encode_section_info): Lookup "page0" attribute.
* config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): 'R' constraint also
represents access to page0 variables.
Joseph Myers [Sun, 28 Mar 2004 00:31:41 +0000 (00:31 +0000)]
c-tree.h (C_DECL_REGISTER): New.
* c-tree.h (C_DECL_REGISTER): New.
* c-aux-info.c (gen_decl), c-decl.c (objc_mark_locals_volatile,
finish_decl, grokdeclarator, get_parm_info), c-typeck.c
(build_array_ref, c_mark_addressable): Set and use it.
* c-decl.c (grokdeclarator), c-typeck.c (c_mark_addressable):
Allow structures with volatile fields to be declared register.
Don't check TREE_ADDRESSABLE before warning about taking address
of register.
* c-decl.c (finish_decl): Don't allow structures with volatile
fields to be placed in named register.
* doc/trouble.texi: Remove reference to structures with volatile
fields in registers.
testsuite:
* gcc.dg/940409-1.c: Remove XFAIL.
* gcc.dg/reg-vol-struct-1.c: New test.
Benjamin Kosnik [Sat, 27 Mar 2004 16:21:21 +0000 (16:21 +0000)]
[multiple changes]
2004-03-27 Benjamin Kosnik <bkoz@redhat.com>
libstdc++ PR/13598
* config/locale/ieee_1003.1-2001/codecvt_specializations.h
(__enc_traits::_M_destroy): New.
(__enc_traits::~__enc_traits): Use it.
(__enc_traits::operator=): Use _M_destroy, _M_init.
(__enc_traits::__enc_traits): Same.
Gerald Pfeifer [Sat, 27 Mar 2004 01:20:45 +0000 (01:20 +0000)]
gcc_release: Fix sanity check for argument of -p command-line options.
* gcc_release: Fix sanity check for argument of -p command-line
options. In snapshot mode, only generate diffs against the previous
snapshot if the user did not specify any old tarball explictly.
* testsuite/23_containers/map/operators/1_neg.cc: Adjust line numbers.
* testsuite/23_containers/set/operators/1_neg.cc: Same.
2004-03-25 Dhruv Matani <dhruvbird@gmx.net>
* include/bits/cpp_type_traits.h: Changed __is_pod
completely. Now, it does not use any of the previous type_traits
to detect the pod types, and it also detects function pointers as
POD types.
* include/bits/stl_tree.h: Introduced a new class _Rb_tree_impl,
which encapsulates the internal implementation of an rb_tree. Made
the allocator a base class of this class instead of the rb_tree,
which was not conforming. This _Rb_tree_impl class is also
specialized on whether the _Compare parameter is a POD type or
not. If so, then it maintains the comparison function as a data
member, otherwise it makes the _Compare parameter a base class of
itself. Also, _M_key_compare is now a function instead of a data
member, so that the above trick can work properly. Delegated the
initialization of the other data members to this newly created
class. Also, now other member functions of rb_tree must refer to
_M_key_compare as _M_impl._M_key_compare(). The other data members
(*) can be referenced to as _M_impl.(*), where
(*) includes _M_header, and _M_node_count.
Paolo Carlini [Thu, 25 Mar 2004 18:23:40 +0000 (18:23 +0000)]
mt_allocator.h (__mt_alloc<>::tune): Add _M_min_bin, the size in bytes of the smallest bin.
2004-03-25 Paolo Carlini <pcarlini@suse.de>
* include/ext/mt_allocator.h (__mt_alloc<>::tune):
Add _M_min_bin, the size in bytes of the smallest bin.
(__mt_alloc<>::tune()): Tweak accordingly.
(__mt_alloc<>::tune(size_t, ...)): Likewise.
(__mt_alloc<>::block_record): Change to a union: members next
and thread_id are never used at the same time.
(__mt_alloc<>::allocate): Update consistently.
(__mt_alloc<>::deallocate): Likewise.
(__mt_alloc<>::_S_initialize): Update setups of _S_binmap and
_S_bin_size for the configurable _M_min_size.
Dhruv Matani [Thu, 25 Mar 2004 17:12:16 +0000 (17:12 +0000)]
stl_list.h: Created a _List_impl class and made it derive from the allocator...
2004-03-25 Dhruv Matani <dhruvbird@gmx.net>
* include/bits/stl_list.h: Created a _List_impl class and made it
derive from the allocator, instead of the list deriving from the
allocator class, which was not conformant. Changed all references
from this->_M_node to this->_M_impl._M_node * bits/list.tcc: Same
as above (changed all references to the concerned variables).
2004-03-25 Dhruv Matani <dhruvbird@gmx.net>
* include/bits/stl_deque.h: Created a _Deque_impl class and made
it derive from the allocator, instead of the deque deriving from
the allocator class, which was not conformant. Changed all
references to the _M_start, _M_finish, _M_map, and _M_map_size to
_M_impl.*.
(_Deque_base<_Tp,_Alloc>::~_Deque_base()): Added this->
qualification in 2 places where it was missing.
(_Deque_base<_Tp,_Alloc>::_M_initialize_map(size_t)): Same as
above.
* include/bits/deque.tcc: Same as above (changed all references to
the concerned variables).
2004-03-25 Dhruv Matani <dhruvbird@gmx.net>
* include/bits/stl_vector.h: Created a _Vector_impl class and made
it derive from the allocator, instead of the _Vector_base class,
deriving from the allocator which was not conformant. Changed all
references to the _M_start, _M_finish, and _M_end_of_storage to
_M_impl.*.
* include/bits/vector.tcc: Same as above (changed all references
to the concerned variables).
Kazu Hirata [Thu, 25 Mar 2004 16:16:41 +0000 (16:16 +0000)]
re PR middle-end/9707 (Unnecessary range test in switches with less than 4 cases)
PR optimization/9707.
* stmt.c (emit_case_nodes): Emit equality comparisons instead
of recursing if both children are single-valued cases with no
children.
* memtrack.adb: Log realloc calls, which are treated as free followed
by alloc.
2004-03-25 Vincent Celier <celier@gnat.com>
* prj-makr.adb (Process_Directories): Detect when a file contains
several units. Do not include such files in the config pragmas or
in the naming scheme.
* prj-nmsc.adb (Record_Source): New parameter Trusted_Mode.
Resolve links only when not in Trusted_Mode.
(Find_Sources, Recursive_Find_Dirs, Find_Source_Dirs, Locate_Directory):
Do not resolve links for the display names.
* prj-part.adb (Parse_Single_Project, Project_Path_Name_Of): Do not
resolve links when computing the display names.
2004-03-25 Thomas Quinot <quinot@act-europe.fr>
* sem_attr.adb (Check_Dereference): When the prefix of a 'Tag
attribute reference does not denote a subtype, it can be any
expression that has a classwide type, potentially after an implicit
dereference. In particular, the prefix can be a view conversion for
a classwide type (for which Is_Object_Reference holds), but it can
also be a value conversion for an access-to-classwide type. In the
latter case, there is an implicit dereference, and the original node
for the prefix does not verify Is_Object_Reference.
* sem_util.adb (Is_Dependent_Component_Of_Mutable_Object): A view
conversion of a discriminant-dependent component of a mutable object
is one itself.
2004-03-25 Ed Schonberg <schonberg@gnat.com>
* freeze.adb (Freeze_Entity): When an inherited subprogram is
inherited, has convention C, and has unconstrained array parameters,
place the corresponding warning on the derived type declaration rather
than the original subprogram.
* sem_ch12.adb (Instantiate_Formal_Subprogram): Set From_Default
indication on renaming declaration, if formal has a box and actual
is absent.
* sem_ch8.adb (Analyze_Subprogram_Renaming): Use From_Default flag to
determine whether to generate an implicit or explicit reference to
the renamed entity.
* sinfo.ads, sinfo.adb: New flag From_Default, to indicate that a
subprogram renaming comes from a defaulted formal subprogram in an
instance.
2004-03-25 Gary Dismukes <dismukes@gnat.com>
* sem_elab.adb (Check_Elab_Call): Refine loop that checks for default
value expressions to ensure that calls within a component definition
will be checked (since those are evaluated during the record type's
elaboration).
2004-03-25 Arnaud Charlet <charlet@act-europe.fr>
* s-tpobop.adb: Code clean up:
(Requeue_Call): Extract from PO_Service_Entries to remove duplicated
code.
(PO_Do_Or_Queue): Remove duplicated code and use Requeue_Call.
2004-03-25 Jose Ruiz <ruiz@act-europe.fr>
* Makefile.in: Clean up in the ravenscar run time.
Paul Brook [Thu, 25 Mar 2004 11:36:57 +0000 (11:36 +0000)]
arm.c (vfp_print_multi): Remove.
* config/arm/arm.c (vfp_print_multi): Remove.
(arm_output_fldmx): New function.
(vfp_emit_fstmx): Return block size, not insn. Add ARM10 VFPr1 bugfix.
(arm_expand_prologue): Update to match.
(arm_get_vfp_saved_size): New Function.
(arm_get_frame_offsets): Use it.
(arm_output_epilogue): Use new functions.
* alias.c (alias_invariant, alias_invariant_size): Mark GTY.
(reg_known_value, reg_known_value_size): Likewise; make static.
(reg_known_equiv_p): Make static.
(clear_reg_alias_info): Update for new indexing.
(get_reg_known_value, set_reg_known_value): New.
(get_reg_known_equiv_p, set_reg_known_equiv_p): New.
(canon_rtx): Use them.
(init_alias_analysis): Likewise. Allocate reg_known_value with gc.
Don't play queer offsetting games with reg_known_value and
reg_known_equiv_p.
(end_alias_analysis): Free reg_known_value with gc.
* rtl.h (get_reg_known_value, get_reg_known_equiv_p): Declare.
* sched-deps.c (reg_known_equiv_p, reg_known_value): Remove.
(deps_may_trap_p, sched_analyze_1, sched_analyze_2): Use the new
functions instead.
Dhruv Matani [Wed, 24 Mar 2004 21:40:01 +0000 (21:40 +0000)]
malloc_allocator.h: Fixed the construct function to call global placement new instead of assignment.
2004-03-24 Dhruv Matani <dhruvbird@gmx.net>
* ext/malloc_allocator.h: Fixed the construct function to call
global placement new instead of assignment. Added a check after
the return from malloc to check whether returned pointer is NULL,
and if so, throw std::bad_alloc().
* ext/debug_allocator.h: Added a check in the deallocate function
to check whether the user has passed a NULL pointer or not.