rename `defined_ivar` to `definedivar`

because non-opt instructions should contain `_` char.

1 files changed, 1 insertions, 1 deletions

diff --git a/compile.c b/compile.c
index f4bb2c9107..7a6f324601 100644
--- a/compile.c
+++ b/compile.c
@@ -5460,7 +5460,7 @@ defined_expr0(rb_iseq_t *iseq, LINK_ANCHOR *const ret,
 
 #define PUSH_VAL(type) (needstr == Qfalse ? Qtrue : rb_iseq_defined_string(type))
       case NODE_IVAR:
-        ADD_INSN3(ret, line_node, defined_ivar,
+        ADD_INSN3(ret, line_node, definedivar,
                   ID2SYM(node->nd_vid), get_ivar_ic_value(iseq,node->nd_vid), PUSH_VAL(DEFINED_IVAR));
         return;