nobu	2016-05-17 11:58:40 +0900 (Tue, 17 May 2016)

  New Revision: 55023

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=55023

  Log:
    configure.in: declare as NORETURN
    
    * configure.in (RUBY_CHECK_BUILTIN_SETJMP): declare t as NORETURN
      to suppress warnings by -Wsuggest-attribute=noreturn.
      [ruby-core:75510] [Bug #12383]

  Modified files:
    trunk/ChangeLog
    trunk/configure.in
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 55022)
+++ ChangeLog	(revision 55023)
@@ -1,3 +1,9 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Tue May 17 11:58:58 2016  Nobuyoshi Nakada  <nobu@r...>
+
+	* configure.in (RUBY_CHECK_BUILTIN_SETJMP): declare t as NORETURN
+	  to suppress warnings by -Wsuggest-attribute=noreturn.
+	  [ruby-core:75510] [Bug #12383]
+
 Tue May 17 10:40:18 2016  Nobuyoshi Nakada  <nobu@r...>
 
 	* configure.in (RUBY_CHECK_SETJMP): needs the header and proper
Index: configure.in
===================================================================
--- configure.in	(revision 55022)
+++ configure.in	(revision 55023)
@@ -2603,6 +2603,9 @@ AC_CACHE_CHECK(for __builtin_setjmp, ac_ https://github.com/ruby/ruby/blob/trunk/configure.in#L2603
 	[AC_TRY_LINK([@%:@include <setjmp.h>
 	    @%:@include <stdio.h>
 	    jmp_buf jb;
+	    @%:@ifdef NORETURN
+	    NORETURN(void t(void));
+	    @%:@endif
 	    void t(void) {__builtin_longjmp($cast jb, 1);}
 	    int jump(void) {(void)(__builtin_setjmp($cast jb) ? 1 : 0); return 0;}],
 	    [

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