ko1	2018-11-29 15:37:01 +0900 (Thu, 29 Nov 2018)

  New Revision: 66087

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66087

  Log:
    use __builtin_setjmp on mingw64 [Bug #15348].

  Modified files:
    trunk/configure.ac
Index: configure.ac
===================================================================
--- configure.ac	(revision 66086)
+++ configure.ac	(revision 66087)
@@ -961,7 +961,7 @@ main() https://github.com/ruby/ruby/blob/trunk/configure.ac#L961
 		ac_cv_type_off_t=yes
 		ac_cv_sizeof_off_t=8
 		AS_IF([test "$target_cpu" = x64], [
-		    ac_cv_func___builtin_setjmp=no
+		    ac_cv_func___builtin_setjmp=yes
 		    ac_cv_func_round=no
 		    rb_cv_fiber_coroutine=yes
 		])

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