mrkn	2016-11-12 01:18:13 +0900 (Sat, 12 Nov 2016)

  New Revision: 56724

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=56724

  Log:
    rational.c: add argument type check assertions in f_muldiv
    
    * rational.c (f_muldiv): add assertions to check argument types

  Modified files:
    trunk/rational.c
Index: rational.c
===================================================================
--- rational.c	(revision 56723)
+++ rational.c	(revision 56724)
@@ -809,6 +809,12 @@ f_muldiv(VALUE self, VALUE anum, VALUE a https://github.com/ruby/ruby/blob/trunk/rational.c#L809
 {
     VALUE num, den;
 
+    assert(RB_TYPE_P(self, T_RATIONAL));
+    assert(RB_INTEGER_TYPE_P(anum));
+    assert(RB_INTEGER_TYPE_P(aden));
+    assert(RB_INTEGER_TYPE_P(bnum));
+    assert(RB_INTEGER_TYPE_P(bden));
+
     if (k == '/') {
 	VALUE t;
 

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