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c3205d65e7
this patch contains r54158, r57410, r57631 and r57954. Prevent GC by volatile [Bug #13150] test/ruby/test_marshal.rb test_context_switch (load) and test_gc (dump) are failed on FreeBSD 10.3 and gcc7 (FreeBSD Ports Collection) 7.0.0 20170115 (experimental); RB_GC_GUARD looks not worked well. * include/ruby/ruby.h (RB_GC_GUARD): prevent guarded pointer from optimization by using as an input to inline asm. * ruby.h: remove comment * include/ruby/ruby.h (RB_GC_GUARD): remove comment unsupported by Solaris AS. Hidden objects (klass == 0) are not visible to Ruby code invoked from other threads or signal handlers, so they can never be accessed from other contexts. This makes it safe to call rb_gc_force_recycle on the object slot after releasing malloc memory. * marshal.c (rb_marshal_dump_limited): hide dump_arg and recycle when done (rb_marshal_load_with_proc): hide load_arg and recycle when done [ruby-core:79518] * marshal.c (rb_marshal_dump_limited): do not free dump_arg, which may be dereferenced in check_dump_arg due to continuation, and get rid of dangling pointers. * marshal.c (rb_marshal_load_with_proc): ditto for load_arg. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59539 b2dd03c8-39d4-4d8f-98ff-823fe69b080e |
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