re PR preprocessor/45457 (ICE: invalid built-in macro "__DBL_DENORM_MIN__")

	PR preprocessor/45457
	* expr.c (parse_defined): Call pfile->cb.user_builtin_macro hook if
	needed.
	* directives.c (do_ifdef, do_ifndef): Likewise.

	* c-c++-common/cpp/pr45457.c: New test.

From-SVN: r163705

gcc/testsuite/ChangeLog

+2010-08-31  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/45457
+	* c-c++-common/cpp/pr45457.c: New test.
+
 2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gcc.dg/nested-func-8.c: New test.

gcc/testsuite/c-c++-common/cpp/pr45457.c

+/* PR preprocessor/45457 */
+/* { dg-do compile } */
+
+const char *a =
+#ifdef __DBL_DENORM_MIN__                                                                                                                         
+"a"
+#endif                                                                                                                                            
+#if defined(__DBL_EPSILON__)
+"b"
+#endif
+#ifndef __DBL_MAX__
+"c"
+#endif
+#if !defined(__DBL_MIN__)
+"d"
+#endif
+;
+double b = __DBL_DENORM_MIN__ + __DBL_EPSILON__ + __DBL_MAX__ + __DBL_MIN__;

libcpp/ChangeLog

+2010-08-31  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/45457
+	* expr.c (parse_defined): Call pfile->cb.user_builtin_macro hook if
+	needed.
+	* directives.c (do_ifdef, do_ifndef): Likewise.
+
 2010-08-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* system.h [HAVE_INTTYPES_H]: Include inttypes.h.

libcpp/directives.c

 /* CPP Library. (Directive handling.)
    Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
    1999, 2000, 2001, 2002, 2003, 2004, 2005,
-   2007, 2008, 2009 Free Software Foundation, Inc.
+   2007, 2008, 2009, 2010 Free Software Foundation, Inc.
    Contributed by Per Bothner, 1994-95.
    Based on CCCP program by Paul Rubin, June 1986
    Adapted to ANSI C, Richard Stallman, Jan 1987
@@ -1804,6 +1804,9 @@ do_ifdef (cpp_reader *pfile)
 	      node->flags |= NODE_USED;
 	      if (node->type == NT_MACRO)
 		{
+		  if ((node->flags & NODE_BUILTIN)
+		      && pfile->cb.user_builtin_macro)
+		    pfile->cb.user_builtin_macro (pfile, node);
 		  if (pfile->cb.used_define)
 		    pfile->cb.used_define (pfile, pfile->directive_line, node);
 		}
@@ -1842,6 +1845,9 @@ do_ifndef (cpp_reader *pfile)
 	      node->flags |= NODE_USED;
 	      if (node->type == NT_MACRO)
 		{
+		  if ((node->flags & NODE_BUILTIN)
+		      && pfile->cb.user_builtin_macro)
+		    pfile->cb.user_builtin_macro (pfile, node);
 		  if (pfile->cb.used_define)
 		    pfile->cb.used_define (pfile, pfile->directive_line, node);
 		}

libcpp/expr.c

@@ -700,6 +700,9 @@ parse_defined (cpp_reader *pfile)
 	  node->flags |= NODE_USED;
 	  if (node->type == NT_MACRO)
 	    {
+	      if ((node->flags & NODE_BUILTIN)
+		  && pfile->cb.user_builtin_macro)
+		pfile->cb.user_builtin_macro (pfile, node);
 	      if (pfile->cb.used_define)
 		pfile->cb.used_define (pfile, pfile->directive_line, node);
 	    }