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* bignum.c (bigsub_int): add RB_GC_GUARD. This patch is made by

  Makoto Kishimoto.  fixes #4223 [ruby-dev:42907]
* bignum.c (bigadd_int): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32551 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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1 parent ade91ac commit 4b29cccf57c44f112c4ee06f30962060a16ae0aa @mrkn mrkn committed Jul 15, 2011
Showing with 10 additions and 0 deletions.
  1. +7 −0 ChangeLog
  2. +3 −0 bignum.c
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7 ChangeLog
@@ -1,3 +1,10 @@
+Fri Jul 15 19:11:00 2011 Kenta Murata <mrkn@mrkn.jp>
+
+ * bignum.c (bigsub_int): add RB_GC_GUARD. This patch is made by
+ Makoto Kishimoto. fixes #4223 [ruby-dev:42907]
+
+ * bignum.c (bigadd_int): ditto.
+
Fri Jul 15 14:27:53 2011 NAKAMURA Usaku <usa@ruby-lang.org>
* win32/win32.c, include/ruby/win32.h (rb_w32_io_cancelable_p): renamed
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3 bignum.c
@@ -1767,6 +1767,7 @@ bigsub_int(VALUE x, long y0)
if (xn == 1 && num < 0) {
RBIGNUM_SET_SIGN(z, !RBIGNUM_SIGN(x));
zds[0] = (BDIGIT)-num;
+ RB_GC_GUARD(x);
return bignorm(z);
}
zds[0] = BIGLO(num);
@@ -1793,6 +1794,7 @@ bigsub_int(VALUE x, long y0)
if (num < 0) {
z = bigsub(x, rb_int2big(y0));
}
+ RB_GC_GUARD(x);
return bignorm(z);
}
@@ -1845,6 +1847,7 @@ bigadd_int(VALUE x, long y)
while (i < zn) {
zds[i++] = 0;
}
+ RB_GC_GUARD(x);
return bignorm(z);
}

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