[ruby-core:75856] [Ruby trunk Bug#12462] Segmentation fault hapen when calling Proc that has return

Issue #12462 has been reported by Shinta Koyanagi.

----------------------------------------
Bug #12462: Segmentation fault hapen when calling Proc that has return
https://bugs.ruby-lang.org/issues/12462

* Author: Shinta Koyanagi
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-darwin15]
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
----------------------------------------
Hi.
Is this bug?

I execute it.

~~~
ruby -ve "def x; Proc.new { return 1 }.tap(&:call); end; p x"
~~~

Result is this.

~~~
ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-darwin15]
-e:1: [BUG] Segmentation fault at 0x000000000d011c
ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-darwin15]

-- Crash Report log information --------------------------------------------
   See Crash Report log file under the one of following:
     * ~/Library/Logs/CrashReporter
     * /Library/Logs/CrashReporter
     * ~/Library/Logs/DiagnosticReports
     * /Library/Logs/DiagnosticReports
   for more details.
Don't forget to include the above Crash Report log file in bug reports.

-- Control frame information -----------------------------------------------
c:0006 p:0007 s:0015 e:000014 BLOCK  -e:1 [FINISH]
c:0005 p:---- s:0013 e:000012 IFUNC  :call
c:0004 p:---- s:0011 e:000010 CFUNC  :tap
c:0003 p:0021 s:0008 E:000b10 METHOD -e:1
c:0002 p:0017 s:0005 E:000aa0 EVAL   -e:1 [FINISH]
c:0001 p:0000 s:0002 E:001950 (none) [FINISH]

-- Ruby level backtrace information ----------------------------------------
-e:1:in `<main>'
-e:1:in `x'
-e:1:in `tap'
-e:1:in `block in x'

-- Machine register context ------------------------------------------------
 rax: 0x000000010ff7c000 rbx: 0x000000010fe7c060 rcx: 0x00007fec5bde4570
 rdx: 0x00000000000d010c rdi: 0x00007fec5bc06e20 rsi: 0x00007fec5bde4570
 rbp: 0x00007fff502e2700 rsp: 0x00007fff502e23c0  r8: 0x0000000000000000
  r9: 0x0000000000000001 r10: 0x000000010fe7c070 r11: 0x0000000000000000
 r12: 0x00007fec5bd9b9a8 r13: 0x000000010ff7bec0 r14: 0x00007fec5bc06e20
 r15: 0x0000000000000003 rip: 0x000000010faa616f rfl: 0x0000000000010246

-- C level backtrace information -------------------------------------------
0   ruby                                0x000000010fac6b14 rb_vm_bugreport + 388
1   ruby                                0x000000010f96133a rb_bug_context + 490
2   ruby                                0x000000010fa34d23 sigsegv + 83
3   libsystem_platform.dylib            0x00007fff8cac152a _sigtramp + 26
4   ruby                                0x000000010faa616f vm_exec_core + 15167
5   ???                                 0x0000000000000000 0x0 + 0

-- Other runtime information -----------------------------------------------

* Loaded script: -e

* Loaded features:

    0 enumerator.so
    1 thread.rb
    2 rational.so
    3 complex.so
    4 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/x86_64-darwin15/enc/encdb.bundle
    5 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/x86_64-darwin15/enc/trans/transdb.bundle
    6 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/unicode_normalize.rb
    7 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/x86_64-darwin15/rbconfig.rb
    8 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/compatibility.rb
    9 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/defaults.rb
   10 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/deprecate.rb
   11 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/errors.rb
   12 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/version.rb
   13 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/requirement.rb
   14 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/platform.rb
   15 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/basic_specification.rb
   16 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/stub_specification.rb
   17 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/util/list.rb
   18 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/x86_64-darwin15/stringio.bundle
   19 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/specification.rb
   20 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/exceptions.rb
   21 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/core_ext/kernel_gem.rb
   22 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/monitor.rb
   23 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb
   24 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems.rb
   25 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/path_support.rb
   26 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/dependency.rb
   27 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/version.rb
   28 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/core_ext/name_error.rb
   29 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/levenshtein.rb
   30 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/jaro_winkler.rb
   31 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/spell_checkable.rb
   32 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/2.3.0/delegate.rb
   33 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/spell_checkers/name_error_checkers/class_name_checker.rb
   34 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/spell_checkers/name_error_checkers/variable_name_checker.rb
   35 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/spell_checkers/name_error_checkers.rb
   36 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/spell_checkers/method_name_checker.rb
   37 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/spell_checkers/null_checker.rb
   38 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean/formatter.rb
   39 /Users/yancya/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib/did_you_mean.rb

[NOTE]
You may have encountered a bug in the Ruby interpreter or extension libraries.
Bug reports are welcome.
For details: http://www.ruby-lang.org/bugreport.html

[1]    57115 abort      ruby -ve "def x; Proc.new { return 1 }.tap(&:call); end; p x"
~~~

not working

* ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-darwin15]
* ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-darwin15]
* ruby 2.4.0dev (2016-06-06 trunk 55293) [x86_64-darwin15]

working

* ruby 1.9.3p551 (2014-11-13 revision 48407) [x86_64-darwin14.4.0]
* ruby 2.0.0p648 (2015-12-16 revision 53162) [x86_64-darwin15.5.0]
* ruby 2.1.10p492 (2016-04-01 revision 54464) [x86_64-darwin15.0]
* ruby 2.2.5p319 (2016-04-26 revision 54774) [x86_64-darwin15]
* jruby 9.1.2.0 (2.3.0) 2016-05-26 7357c8f Java HotSpot(TM) 64-Bit Server VM 25.51-b03 on 1.8.0_51-b16 +jit [darwin-x86_64]






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