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Revert "Refactor to reduce "swap" instruction of pattern matching"

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This reverts commit 3a4be429b5.

To fix following warning:

```
compiling ../compile.c
../compile.c:6336:20: warning: variable 'line' is uninitialized when used here [-Wuninitialized]
    ADD_INSN(head, line, putnil); /* allocate stack for cached #deconstruct value */
                   ^~~~
../compile.c:220:57: note: expanded from macro 'ADD_INSN'
  ADD_ELEM((seq), (LINK_ELEMENT *) new_insn_body(iseq, (line), BIN(insn), 0))
                                                        ^~~~
../compile.c:6327:13: note: initialize the variable 'line' to silence this warning
    int line;
            ^
             = 0
1 warning generated.
```
This commit is contained in:
Kazuhiro NISHIYAMA 2020-08-17 09:26:30 +09:00
parent a73b5cc556
commit 5849309c5a
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1 changed files with 2 additions and 1 deletions
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compile.c
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@ -6333,7 +6333,6 @@ compile_case3(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const orig_no
INIT_ANCHOR(body_seq);
INIT_ANCHOR(cond_seq);
ADD_INSN(head, line, putnil); /* allocate stack for cached #deconstruct value */
CHECK(COMPILE(head, "case base", node->nd_head));
branches = decl_branch_base(iseq, node, "case");
@ -6346,6 +6345,8 @@ compile_case3(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const orig_no
endlabel = NEW_LABEL(line);
elselabel = NEW_LABEL(line);
ADD_INSN(head, line, putnil); /* allocate stack for cached #deconstruct value */
ADD_INSN(head, line, swap);
ADD_SEQ(ret, head); /* case VAL */
while (type == NODE_IN) {