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Diffstat (limited to 'complex.c')
-rw-r--r--complex.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/complex.c b/complex.c
index 1485d13484..935d4d6f2b 100644
--- a/complex.c
+++ b/complex.c
@@ -1153,8 +1153,10 @@ string_to_c_internal(VALUE self)
return rb_assoc_new(Qnil, self);
{
- VALUE m, sr, si, re, r, i;
+ VALUE m, sr, si, re, r, i, backref;
+ backref = rb_backref_get();
+ rb_match_busy(backref);
m = f_match(comp_pat1, s);
if (!NIL_P(m)) {
sr = Qnil;
@@ -1170,8 +1172,10 @@ string_to_c_internal(VALUE self)
}
if (NIL_P(m)) {
m = f_match(comp_pat2, s);
- if (NIL_P(m))
+ if (NIL_P(m)) {
+ rb_backref_set(backref);
return rb_assoc_new(Qnil, self);
+ }
sr = f_aref(m, INT2FIX(1));
if (NIL_P(f_aref(m, INT2FIX(2))))
si = Qnil;
@@ -1206,6 +1210,7 @@ string_to_c_internal(VALUE self)
else
i = f_to_i(si);
}
+ rb_backref_set(backref);
return rb_assoc_new(rb_complex_new2(r, i), re);
}
}