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$NetBSD: patch-numeric.c,v 1.1 2012/09/14 15:56:23 taca Exp $
Fix bignum problem on OS X 10.8, clang.
--- numeric.c.orig 2011-12-10 12:17:27.000000000 +0000
+++ numeric.c
@@ -2161,7 +2161,7 @@ fix_mul(x, y)
VALUE x, y;
{
if (FIXNUM_P(y)) {
-#ifdef __HP_cc
+#if defined(__HP_cc) || defined(__clang__)
/* avoids an optimization bug of HP aC++/ANSI C B3910B A.06.05 [Jul 25 2005] */
volatile
#endif
@@ -2319,9 +2319,9 @@ int_pow(x, y)
y &= ~1;
do {
while (y % 2 == 0) {
- long x2 = x * x;
+ volatile long x2 = x * x;
if (x2/x != x || !POSFIXABLE(x2)) {
- VALUE v;
+ volatile VALUE v;
bignum:
v = rb_big_pow(rb_int2big(x), LONG2NUM(y));
if (z != 1) v = rb_big_mul(rb_int2big(neg ? -z : z), v);
@@ -2331,7 +2331,7 @@ int_pow(x, y)
y >>= 1;
}
{
- long xz = x * z;
+ volatile long xz = x * z;
if (!POSFIXABLE(xz) || xz / x != z) {
goto bignum;
}
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