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50996. By mame on 2018-06-13

Revert "range.c: prohibit `(1..nil)`"

This reverts commit a44c010764a16ae09aaed49d76eec055ca0057c8.
Refs #14845.

50995. By kazu on 2018-06-13

Remove sunsetting FTP site

ref #14842

50994. By normal on 2018-06-13

thread.c: use flags for sleep_* functions

Same thing as https://bugs.ruby-lang.org/issues/14798
My easily-confused mind gets function call ordering confused
easily:

 sleep_forever(..., TRUE, FALSE);
 sleep_forever(..., FALSE, TRUE);

50993. By mame on 2018-06-13

range.c: prohibit `(1..nil)`

Now endless range can be created by either a literal `(1..)` or explicit
range creation `Range.new(1, nil)`. [Bug #14845]

This change is intended for "early failure"; for example,
`(1..var).to_a` causes out of memory if `var` is inadvertently nil.

50992. By mame on 2018-06-13

Make VM_INSN_INFO_TABLE_IMPL=1 work

rb_iseq_insns_info_decode_positions is used only when
VM_INSN_INFO_TABLE_IMPL=2.

50991. By ko1 on 2018-06-13

add "print_flags" gdb command.

* .gdbinit (print_flags): added to show raw FLAGS info for objects.

50990. By nobu on 2018-06-13

bignum.c: call functions directly

* bignum.c (int_pow_tmp{1,2,3}): call dedicated functions directly
  for internal calculations, instead of method calls.

50989. By nobu on 2018-06-13

bignum.c: refine pow

* bignum.c (rb_big_pow): make Complex and Rational instances from
  calculated results by API functions.

50988. By svn on 2018-06-12

* 2018-06-13

50987. By stomar on 2018-06-12

lib/securerandom.rb: improve docs

* lib/securerandom.rb: [DOC] add alphanumeric example to module docs.
  [Fix GH-1812]

From: Justin Bull <email address hidden>