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-rw-r--r--compile.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/compile.c b/compile.c
index ee3b477e20..c00323707f 100644
--- a/compile.c
+++ b/compile.c
@@ -4580,6 +4580,7 @@ compile_if(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int
DECL_ANCHOR(else_seq);
LABEL *then_label, *else_label, *end_label;
VALUE branches = 0;
+ int ci_size, ci_kw_size;
INIT_ANCHOR(cond_seq);
INIT_ANCHOR(then_seq);
@@ -4590,8 +4591,22 @@ compile_if(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int
compile_branch_condition(iseq, cond_seq, node->nd_cond,
then_label, else_label);
+
+ ci_size = iseq->body->ci_size;
+ ci_kw_size = iseq->body->ci_kw_size;
CHECK(COMPILE_(then_seq, "then", node_body, popped));
+ if (!then_label->refcnt) {
+ iseq->body->ci_size = ci_size;
+ iseq->body->ci_kw_size = ci_kw_size;
+ }
+
+ ci_size = iseq->body->ci_size;
+ ci_kw_size = iseq->body->ci_kw_size;
CHECK(COMPILE_(else_seq, "else", node_else, popped));
+ if (!else_label->refcnt) {
+ iseq->body->ci_size = ci_size;
+ iseq->body->ci_kw_size = ci_kw_size;
+ }
ADD_SEQ(ret, cond_seq);