k0kubun	2018-09-11 20:01:18 +0900 (Tue, 11 Sep 2018)

  New Revision: 64679

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=64679

  Log:
    vm_insnhelper.c: stop unnecessarily using rb_sprintf

  Modified files:
    trunk/vm_insnhelper.c
Index: vm_insnhelper.c
===================================================================
--- vm_insnhelper.c	(revision 64678)
+++ vm_insnhelper.c	(revision 64679)
@@ -3926,10 +3926,8 @@ vm_canary_is_found_dead(enum ruby_vminsn https://github.com/ruby/ruby/blob/trunk/vm_insnhelper.c#L3926
     const char *insn = rb_insns_name(i);
     VALUE inspection = rb_inspect(c);
     const char *str  = StringValueCStr(inspection);
-    VALUE message    = rb_sprintf("dead canary found at %s: %s", insn, str);
-    const char *msg  = StringValueCStr(message);
 
-    rb_bug("%s", msg);
+    rb_bug("dead canary found at %s: %s", insn, str);
 }
 
 #elif !defined(MJIT_HEADER)

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