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iseq.c: struct accessors
* iseq.c (rb_method_for_self_aref, rb_method_for_self_aset): call accessor functions directly, not to be affected by [] and []= methods. [ruby-core:66846] [Bug #10601] * struct.c (define_aref_method, define_aset_method): ditto. * vm_insnhelper.c (rb_vm_opt_struct_aref, rb_vm_opt_struct_aset): direct accessors of Struct. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48864 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu
parent
97628bff12
commit
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5 changed files with 84 additions and 32 deletions
11
ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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Tue Dec 16 15:18:23 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* iseq.c (rb_method_for_self_aref, rb_method_for_self_aset): call
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accessor functions directly, not to be affected by [] and []=
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methods. [ruby-core:66846] [Bug #10601]
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* struct.c (define_aref_method, define_aset_method): ditto.
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* vm_insnhelper.c (rb_vm_opt_struct_aref, rb_vm_opt_struct_aset):
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direct accessors of Struct.
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Tue Dec 16 12:01:29 2014 Koichi Sasada <ko1@atdot.net>
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* test/ruby/test_process.rb (test_deadlock_by_signal_at_forking):
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49
iseq.c
49
iseq.c
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@ -569,14 +569,14 @@ caller_location(VALUE *path)
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}
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VALUE
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rb_method_for_self_aref(VALUE name, VALUE arg)
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rb_method_for_self_aref(VALUE name, VALUE arg, rb_insn_func_t func)
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{
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rb_control_frame_t *FUNC_FASTCALL(rb_vm_struct_aref_c)(rb_thread_t *, rb_control_frame_t *);
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VALUE iseqval = iseq_alloc(rb_cISeq);
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rb_iseq_t *iseq;
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VALUE path, lineno = caller_location(&path);
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VALUE parent = 0;
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VALUE misc, locals, params, exception, body, send_arg;
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int flag = VM_CALL_FCALL | VM_CALL_ARGS_SIMPLE;
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GetISeqPtr(iseqval, iseq);
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iseq->self = iseqval;
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@ -593,18 +593,15 @@ rb_method_for_self_aref(VALUE name, VALUE arg)
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#define ADD(a) rb_ary_push(body, rb_obj_hide(a))
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/* def name; self[arg]; end */
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ADD(lineno);
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ADD(rb_ary_new3(1, S(putself)));
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ADD(rb_ary_new3(2, S(putobject), arg));
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/* {:mid=>:[], :flag=>264, :blockptr=>nil, :orig_argc=>1} */
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send_arg = rb_hash_new();
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rb_hash_aset(send_arg, S(mid), ID2SYM(idAREF));
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rb_hash_aset(send_arg, S(flag), INT2FIX(flag));
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rb_hash_aset(send_arg, S(blockptr), Qnil);
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rb_hash_aset(send_arg, S(orig_argc), INT2FIX(1));
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/* we do not want opt_aref for struct */
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ADD(rb_ary_new3(2, S(opt_send_without_block), send_arg));
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#if SIZEOF_VALUE <= SIZEOF_LONG
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send_arg = LONG2NUM((SIGNED_VALUE)func);
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#else
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send_arg = LL2NUM((SIGNED_VALUE)func);
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#endif
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send_arg = rb_ary_new3(2, S(opt_call_c_function), send_arg);
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ADD(send_arg);
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ADD(rb_ary_new3(1, S(leave)));
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#undef S
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#undef ADD
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@ -613,19 +610,19 @@ rb_method_for_self_aref(VALUE name, VALUE arg)
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cleanup_iseq_build(iseq);
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rb_ary_clear(body);
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rb_ary_clear(send_arg);
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return iseqval;
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}
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VALUE
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rb_method_for_self_aset(VALUE name, VALUE arg)
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rb_method_for_self_aset(VALUE name, VALUE arg, rb_insn_func_t func)
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{
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VALUE iseqval = iseq_alloc(rb_cISeq);
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rb_iseq_t *iseq;
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VALUE path, lineno = caller_location(&path);
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VALUE parent = 0;
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VALUE misc, locals, params, exception, body, send_arg;
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int flag = VM_CALL_FCALL | VM_CALL_ARGS_SIMPLE;
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GetISeqPtr(iseqval, iseq);
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iseq->self = iseqval;
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@ -641,26 +638,21 @@ rb_method_for_self_aset(VALUE name, VALUE arg)
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locals = rb_obj_hide(rb_ary_new3(1, S(val)));
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params = rb_hash_new();
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exception = rb_ary_tmp_new(0); /* empty */
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body = rb_ary_tmp_new(9);
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body = rb_ary_tmp_new(6);
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rb_hash_aset(params, S(lead_num), INT2FIX(1));
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ADD(lineno);
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ADD(rb_ary_new3(1, S(putnil)));
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ADD(rb_ary_new3(1, S(putself)));
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ADD(rb_ary_new3(2, S(putobject), arg));
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ADD(rb_ary_new3(3, S(getlocal), INT2FIX(2), INT2FIX(0)));
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ADD(rb_ary_new3(2, S(setn), INT2FIX(3)));
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ADD(rb_ary_new3(2, S(putobject), arg));
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/* {:mid=>:[]=, :flag=>264, :blockptr=>nil, :orig_argc=>2} */
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send_arg = rb_hash_new();
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rb_hash_aset(send_arg, S(mid), ID2SYM(idASET));
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rb_hash_aset(send_arg, S(flag), INT2FIX(flag));
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rb_hash_aset(send_arg, S(blockptr), Qnil);
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rb_hash_aset(send_arg, S(orig_argc), INT2FIX(2));
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/* we do not want opt_aset for struct */
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ADD(rb_ary_new3(2, S(opt_send_without_block), send_arg));
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#if SIZEOF_VALUE <= SIZEOF_LONG
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send_arg = LONG2NUM((SIGNED_VALUE)func);
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#else
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send_arg = LL2NUM((SIGNED_VALUE)func);
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#endif
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send_arg = rb_ary_new3(2, S(opt_call_c_function), send_arg);
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ADD(send_arg);
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ADD(rb_ary_new3(1, S(pop)));
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ADD(rb_ary_new3(1, S(leave)));
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@ -671,6 +663,7 @@ rb_method_for_self_aset(VALUE name, VALUE arg)
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cleanup_iseq_build(iseq);
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rb_ary_clear(body);
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rb_ary_clear(send_arg);
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return iseqval;
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}
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10
struct.c
10
struct.c
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@ -13,8 +13,8 @@
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#include "vm_core.h"
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#include "method.h"
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VALUE rb_method_for_self_aref(VALUE name, VALUE arg);
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VALUE rb_method_for_self_aset(VALUE name, VALUE arg);
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VALUE rb_method_for_self_aref(VALUE name, VALUE arg, rb_insn_func_t func);
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VALUE rb_method_for_self_aset(VALUE name, VALUE arg, rb_insn_func_t func);
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VALUE rb_cStruct;
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static ID id_members;
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@ -175,7 +175,8 @@ new_struct(VALUE name, VALUE super)
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static void
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define_aref_method(VALUE nstr, VALUE name, VALUE off)
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{
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VALUE iseqval = rb_method_for_self_aref(name, off);
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rb_control_frame_t *FUNC_FASTCALL(rb_vm_opt_struct_aref)(rb_thread_t *, rb_control_frame_t *);
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VALUE iseqval = rb_method_for_self_aref(name, off, rb_vm_opt_struct_aref);
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rb_iseq_t *iseq = DATA_PTR(iseqval);
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rb_add_method(nstr, SYM2ID(name), VM_METHOD_TYPE_ISEQ, iseq, NOEX_PUBLIC);
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@ -185,7 +186,8 @@ define_aref_method(VALUE nstr, VALUE name, VALUE off)
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static void
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define_aset_method(VALUE nstr, VALUE name, VALUE off)
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{
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VALUE iseqval = rb_method_for_self_aset(name, off);
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rb_control_frame_t *FUNC_FASTCALL(rb_vm_opt_struct_aset)(rb_thread_t *, rb_control_frame_t *);
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VALUE iseqval = rb_method_for_self_aset(name, off, rb_vm_opt_struct_aset);
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rb_iseq_t *iseq = DATA_PTR(iseqval);
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rb_add_method(nstr, SYM2ID(name), VM_METHOD_TYPE_ISEQ, iseq, NOEX_PUBLIC);
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@ -195,6 +195,39 @@ module TestStruct
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assert_equal(:foo, o[25])
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end
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def test_overridden_aset
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bug10601 = '[ruby-core:66846] [Bug #10601]: should not be affected by []= method'
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struct = Class.new(Struct.new(*(:a..:z), :result)) do
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def []=(*args)
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raise args.inspect
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end
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end
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obj = struct.new
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assert_nothing_raised(RuntimeError, bug10601) do
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obj.result = 42
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end
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assert_equal(42, obj.result, bug10601)
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end
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def test_overridden_aref
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bug10601 = '[ruby-core:66846] [Bug #10601]: should not be affected by [] method'
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struct = Class.new(Struct.new(*(:a..:z), :result)) do
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def [](*args)
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raise args.inspect
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end
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end
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obj = struct.new
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obj.result = 42
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result = assert_nothing_raised(RuntimeError, bug10601) do
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break obj.result
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end
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assert_equal(42, result, bug10601)
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end
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def test_equal
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klass1 = @Struct.new(:a)
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klass2 = @Struct.new(:a, :b)
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@ -2107,3 +2107,16 @@ vm_once_clear(VALUE data)
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return Qnil;
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}
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rb_control_frame_t *
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FUNC_FASTCALL(rb_vm_opt_struct_aref)(rb_thread_t *th, rb_control_frame_t *reg_cfp)
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{
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TOPN(0) = rb_struct_aref(GET_SELF(), TOPN(0));
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return reg_cfp;
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}
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rb_control_frame_t *
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FUNC_FASTCALL(rb_vm_opt_struct_aset)(rb_thread_t *th, rb_control_frame_t *reg_cfp)
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{
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rb_struct_aset(GET_SELF(), TOPN(0), TOPN(1));
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return reg_cfp;
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}
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