ko1	2018-12-13 02:12:08 +0900 (Thu, 13 Dec 2018)

  New Revision: 66367

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66367

  Log:
    param.flags.has_kw flag should be FALSE before setting param.keyword.
    
    * compile.c (ibf_load_iseq_each): iseq_mark assumes that if
      param.flags.has_kw is TRUE, then param.keyword is not NULL.
      To confirm this assumption, make it FALSE before param.keyword
      is initialized.

  Modified files:
    trunk/compile.c
Index: compile.c
===================================================================
--- compile.c	(revision 66366)
+++ compile.c	(revision 66367)
@@ -9100,6 +9100,7 @@ ibf_load_iseq_each(const struct ibf_load https://github.com/ruby/ruby/blob/trunk/compile.c#L9100
     load_body->type = body->type;
     load_body->stack_max = body->stack_max;
     load_body->param = body->param;
+    load_body->param.flags.has_kw = FALSE;
     load_body->local_table_size = body->local_table_size;
     load_body->is_size = body->is_size;
     load_body->ci_size = body->ci_size;
@@ -9149,6 +9150,7 @@ ibf_load_iseq_each(const struct ibf_load https://github.com/ruby/ruby/blob/trunk/compile.c#L9150
     load_body->cc_entries           = ZALLOC_N(struct rb_call_cache, body->ci_size + body->ci_kw_size);
     load_body->param.opt_table      = ibf_load_param_opt_table(load, body);
     load_body->param.keyword        = ibf_load_param_keyword(load, body);
+    load_body->param.flags.has_kw   = body->param.flags.has_kw;
     load_body->insns_info.body      = ibf_load_insns_info_body(load, body);
     load_body->insns_info.positions = ibf_load_insns_info_positions(load, body);
     load_body->local_table          = ibf_load_local_table(load, body);

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