Fix portability problem on OpenBSD 4.7.

[bison.git] / tests / regression.at

diff --git a/tests/regression.at b/tests/regression.at
index 01a60c89e2613251f9a201f80c39ac65c7fd889a..544565ade9d1ff902d91ec75d1e82eff4cb2e6eb 100644 (file)
--- a/tests/regression.at
+++ b/tests/regression.at
@@ -1,7 +1,7 @@
 # Bison Regressions.                               -*- Autotest -*-
 
-# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software
-# Foundation, Inc.
+# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
+# 2010 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -1358,16 +1358,13 @@ AT_CLEANUP
 # Imagine the case where YYSTACK_ALLOC_MAXIMUM = YYSIZE_MAXIMUM and an
 # invocation of yysyntax_error has caused yymsg_alloc to grow to exactly
 # YYSTACK_ALLOC_MAXIMUM (perhaps because the normal doubling of size had
-# to be clipped to YYSTACK_ALLOC_MAXIMUM).  Now imagine a subsequent
-# invocation of yysyntax_error that overflows during its size
-# calculation and thus returns YYSIZE_MAXIMUM to yyparse.  Then, yyparse
-# will invoke yyerror using the old contents of yymsg.  This bug needs
-# to be fixed.
+# to be clipped to YYSTACK_ALLOC_MAXIMUM).  In an old version of yacc.c,
+# a subsequent invocation of yysyntax_error that overflows during its
+# size calculation would return YYSIZE_MAXIMUM to yyparse.  Then,
+# yyparse would invoke yyerror using the old contents of yymsg.
 
 AT_SETUP([[%error-verbose overflow]])
 
-AT_XFAIL_IF([[:]])
-
 AT_DATA_GRAMMAR([input.y],
 [[%code {
   #include <stdio.h>
@@ -1378,9 +1375,12 @@ AT_DATA_GRAMMAR([input.y],
      large enough to overflow size_t.  */
   #define YYSIZE_T unsigned char
 
-  /* Bring in malloc so yacc.c doesn't try to provide a malloc prototype
-     using our YYSIZE_T.  */
+  /* Bring in malloc and set EXIT_SUCCESS so yacc.c doesn't try to
+     provide a malloc prototype using our YYSIZE_T.  */
   #include <stdlib.h>
+  #ifndef EXIT_SUCCESS
+  # define EXIT_SUCCESS 0
+  #endif
 
   /* Max depth is usually much smaller than YYSTACK_ALLOC_MAXIMUM, and
      we don't want gcc to warn everywhere this constant would be too big