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-rw-r--r--vm_backtrace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/vm_backtrace.c b/vm_backtrace.c
index b04f6dac31..5b79e3d274 100644
--- a/vm_backtrace.c
+++ b/vm_backtrace.c
@@ -578,7 +578,7 @@ backtrace_collect(rb_backtrace_t *bt, long lev, long n, VALUE (*func)(rb_backtra
rb_bug("backtrace_collect: unreachable");
}
- btary = rb_ary_new();
+ btary = rb_ary_new2(n);
for (i=0; i+lev<bt->backtrace_size && i<n; i++) {
rb_backtrace_location_t *loc = &bt->backtrace[bt->backtrace_size - 1 - (lev+i)];