From: usa@...
Date: 2018-01-31T13:24:46+00:00
Subject: [ruby-core:85301] [Ruby trunk Bug#13945] Backport r60024

Issue #13945 has been updated by usa (Usaku NAKAMURA).

Backport changed from 2.3: REQUIRED, 2.4: DONE to 2.3: DONE, 2.4: DONE

ruby_2_3 r62136 merged revision(s) 60024.

----------------------------------------
Bug #13945: Backport r60024
https://bugs.ruby-lang.org/issues/13945#change-70081

* Author: naruse (Yui NARUSE)
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 
* Backport: 2.3: DONE, 2.4: DONE
----------------------------------------
```
vm.c: fetch retval iff necessary

* vm.c (rb_vm_make_jump_tag_but_local_jump): get rid of fetching
  retval when it is not used.  it is necessary for local jump
  state only.
```

This caused SEGV if an application which embeds Ruby and uses `rb_load_protect`.
https://github.com/vim/vim/pull/2147



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