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-rw-r--r--ext/stringio/stringio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c
index e964e79e12..f44bdc602f 100644
--- a/ext/stringio/stringio.c
+++ b/ext/stringio/stringio.c
@@ -1170,7 +1170,6 @@ strio_write(VALUE self, VALUE str)
long len, olen;
rb_encoding *enc, *enc2;
- RB_GC_GUARD(str);
if (!RB_TYPE_P(str, T_STRING))
str = rb_obj_as_string(str);
enc = rb_enc_get(ptr->string);
@@ -1194,6 +1193,7 @@ strio_write(VALUE self, VALUE str)
OBJ_INFECT(ptr->string, str);
}
OBJ_INFECT(ptr->string, self);
+ RB_GC_GUARD(str);
ptr->pos += len;
return LONG2NUM(len);
}