* reduce UNREACHABLE.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35333 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 18 insertions, 24 deletions

diff --git a/bignum.c b/bignum.c
index 9d09098f29..3551f4fb6a 100644
--- a/bignum.c
+++ b/bignum.c
@@ -2976,33 +2976,31 @@ big_fdiv(VALUE x, VALUE y)
     switch (TYPE(y)) {
       case T_FIXNUM:
 	y = rb_int2big(FIX2LONG(y));
-      case T_BIGNUM: {
+      case T_BIGNUM:
 	bigtrunc(y);
 	l = RBIGNUM_LEN(y) - 1;
 	ey = l * BITSPERDIG;
 	ey += bdigbitsize(BDIGITS(y)[l]);
 	ey -= DBL_BIGDIG * BITSPERDIG;
 	if (ey) y = big_shift(y, ey);
-      bignum:
-	bigdivrem(x, y, &z, 0);
-	l = ex - ey;
-#if SIZEOF_LONG > SIZEOF_INT
-	{
-	    /* Visual C++ can't be here */
-	    if (l > INT_MAX) return DBL2NUM(INFINITY);
-	    if (l < INT_MIN) return DBL2NUM(0.0);
-	}
-#endif
-	return DBL2NUM(ldexp(big2dbl(z), (int)l));
-      }
+	break;
       case T_FLOAT:
 	y = dbl2big(ldexp(frexp(RFLOAT_VALUE(y), &i), DBL_MANT_DIG));
 	ey = i - DBL_MANT_DIG;
-	goto bignum;
+	break;
+      default:
+	rb_bug("big_fdiv");
     }
-    rb_bug("big_fdiv");
-
-    UNREACHABLE;
+    bigdivrem(x, y, &z, 0);
+    l = ex - ey;
+#if SIZEOF_LONG > SIZEOF_INT
+    {
+	/* Visual C++ can't be here */
+	if (l > INT_MAX) return DBL2NUM(INFINITY);
+	if (l < INT_MIN) return DBL2NUM(0.0);
+    }
+#endif
+    return DBL2NUM(ldexp(big2dbl(z), (int)l));
 }
 
 /*
@@ -3665,17 +3663,13 @@ static VALUE
 rb_big_coerce(VALUE x, VALUE y)
 {
     if (FIXNUM_P(y)) {
-	return rb_assoc_new(rb_int2big(FIX2LONG(y)), x);
-    }
-    else if (RB_TYPE_P(y, T_BIGNUM)) {
-       return rb_assoc_new(y, x);
+	y = rb_int2big(FIX2LONG(y));
     }
-    else {
+    else if (!RB_TYPE_P(y, T_BIGNUM)) {
 	rb_raise(rb_eTypeError, "can't coerce %s to Bignum",
 		 rb_obj_classname(y));
     }
-
-    UNREACHABLE;
+    return rb_assoc_new(y, x);
 }
 
 /*