1 files changed, 3 insertions, 1 deletions
diff --git a/vm_core.h b/vm_core.h
index fa71b82f9e..0d0f29196e 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -386,7 +386,7 @@ struct rb_iseq_constant_body {
 };
 
 struct rb_iseq_variable_body {
-    const VALUE coverage;     /* coverage array */
+    const VALUE coverage_;     /* coverage array */
 
     rb_num_t flip_cnt;
 
@@ -817,6 +817,8 @@ VALUE rb_iseq_disasm(const rb_iseq_t *iseq);
 int rb_iseq_disasm_insn(VALUE str, const VALUE *iseqval, size_t pos, const rb_iseq_t *iseq, VALUE child);
 const char *ruby_node_name(int node);
 
+VALUE rb_iseq_coverage(const rb_iseq_t *iseq);
+
 RUBY_EXTERN VALUE rb_cISeq;
 RUBY_EXTERN VALUE rb_cRubyVM;
 RUBY_EXTERN VALUE rb_cEnv;