codedump.c: avoid printing 'local variable names:' header.
If there is no local variable defined in `irep`.
MODIFY
src/codedump.c
src/codedump.c
@@ -100,14 +100,17 @@ codedump(mrb_state *mrb, const mrb_irep *irep)
if (irep->lv) {
int i;
+ int head = FALSE;
- printf("local variable names:\n");
for (i = 1; i < irep->nlocals; ++i) {
char const *s = mrb_sym_dump(mrb, irep->lv[i - 1]);
if (s) {
- printf(" R%d:%s", i, s);
+ if (!head) {
+ head = TRUE;
+ printf("local variable names:\n");
+ }
+ printf(" R%d:%s\n", i, s);
}
- putchar('\n');
}
}

codedump.c: avoid printing 'local variable names:' header.

If there is no local variable defined in `irep`.