nobu	2015-12-09 00:59:05 +0900 (Wed, 09 Dec 2015)

  New Revision: 52971

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=52971

  Log:
    compile.c: suppress warning
    
    * compile.c (ibf_dump_overwrite): cast to unsigned long to
      suppress sign-compare warning.

  Modified files:
    trunk/compile.c
Index: compile.c
===================================================================
--- compile.c	(revision 52970)
+++ compile.c	(revision 52971)
@@ -6860,7 +6860,8 @@ ibf_dump_overwrite(struct ibf_dump *dump https://github.com/ruby/ruby/blob/trunk/compile.c#L6860
 {
     VALUE str = dump->str;
     char *ptr = RSTRING_PTR(str);
-    if (size + offset > RSTRING_LEN(str)) rb_bug("ibf_dump_overwrite: overflow");
+    if ((unsigned long)(size + offset) > (unsigned long)RSTRING_LEN(str))
+	rb_bug("ibf_dump_overwrite: overflow");
     memcpy(ptr + offset, buff, size);
 }
 

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