nobu	2018-02-03 01:10:17 +0900 (Sat, 03 Feb 2018)

  New Revision: 62165

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62165

  Log:
    process.c: reduce intermediate string

  Modified files:
    trunk/process.c
Index: process.c
===================================================================
--- process.c	(revision 62164)
+++ process.c	(revision 62165)
@@ -4091,10 +4091,11 @@ rb_f_system(int argc, VALUE *argv) https://github.com/ruby/ruby/blob/trunk/process.c#L4091
     status = PST2INT(rb_last_status_get());
     if (status == EXIT_SUCCESS) return Qtrue;
     if (eargp->exception) {
-        VALUE str = rb_str_buf_new(0);
+        VALUE str = rb_str_new_cstr("Command failed with");
         pst_message(str, (rb_pid_t)-1, status);
-        rb_raise(rb_eRuntimeError, "Command failed with%"PRIsVALUE": %s",
-                 str, RSTRING_PTR(eargp->invoke.sh.shell_script));
+        rb_str_cat_cstr(str, ": ");
+        rb_str_append(str, eargp->invoke.sh.shell_script);
+        rb_exc_raise(rb_exc_new_str(rb_eRuntimeError, str));
     }
     else {
         return Qfalse;

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