https://git.ruby-lang.org/ruby.git/commit/?id=d594078426

From d5940784263e60140fa15e8ca5ed4d33197cd255 Mon Sep 17 00:00:00 2001
From: wanabe <s.wanabe@g...>
Date: Sat, 8 Aug 2020 22:27:07 +0900
Subject: Adjust sp for `case ... in v1, v2 ... end`


diff --git a/compile.c b/compile.c
index 1303a10..e102dc8 100644
--- a/compile.c
+++ b/compile.c
@@ -5770,12 +5770,14 @@ iseq_compile_pattern_each(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *c https://github.com/ruby/ruby/blob/trunk/compile.c#L5770
             ADD_INSN(ret, line, pop);
         }
         ADD_INSNL(ret, line, jump, matched);
+        ADD_INSN(ret, line, putnil);
 
         ADD_LABEL(ret, type_error);
         ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
         ADD_INSN1(ret, line, putobject, rb_eTypeError);
         ADD_INSN1(ret, line, putobject, rb_fstring_lit("deconstruct must return Array"));
         ADD_SEND(ret, line, id_core_raise, INT2FIX(2));
+        ADD_INSN(ret, line, pop);
 
         ADD_LABEL(ret, match_failed);
         ADD_INSN(ret, line, pop);
-- 
cgit v0.10.2


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