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-rw-r--r--src/codegen.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/codegen.c b/src/codegen.c
index 9bf7e0328..f77158188 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -2648,7 +2648,7 @@ print_r(mrb_state *mrb, mrb_irep *irep, size_t n, int pre)
if (irep->lv[i].r == n) {
mrb_sym sym = irep->lv[i].name;
if (pre) printf(" ");
- printf("R%d:%s", n, mrb_sym2name(mrb, sym));
+ printf("R%d:%s", (int)n, mrb_sym2name(mrb, sym));
return 1;
}
}