cppexp.c (eval_token): Permit true and false even if pedantic.

	* cppexp.c (eval_token): Permit true and false even if pedantic.
testsuite:
	* gcc.dg/cpp/truefalse.cpp: New test.
	* gcc.dg/cpp/cpp.exp: Update.

From-SVN: r65811

gcc/ChangeLog

 2003-04-19  Neil Booth  <neil@daikokuya.co.uk>
 
+	* cppexp.c (eval_token): Permit true and false even if pedantic.
+
+2003-04-19  Neil Booth  <neil@daikokuya.co.uk>
+
 	* cpplex.c (skip_whitespace): Rearrange to avoid stage1 ICE.
 
 2003-04-19  Neil Booth  <neil@daikokuya.co.uk>

gcc/cppexp.c

@@ -590,14 +590,6 @@ eval_token (pfile, token)
 	{
 	  result.high = 0;
 	  result.low = (token->val.node == pfile->spec_nodes.n_true);
-
-	  /* Warn about use of true or false in #if when pedantic
-	     and stdbool.h has not been included.  */
-	  if (CPP_PEDANTIC (pfile)
-	      && ! cpp_defined (pfile, DSC("__bool_true_false_are_defined")))
-	    cpp_error (pfile, DL_PEDWARN,
-		       "ISO C++ does not permit \"%s\" in #if",
-		       NODE_NAME (token->val.node));
 	}
       else
 	{

gcc/testsuite/ChangeLog

 2003-04-19  Neil Booth  <neil@daikokuya.co.uk>
 
+	* gcc.dg/cpp/truefalse.cpp: New test.
+	* gcc.dg/cpp/cpp.exp: Update.
+
+2003-04-19  Neil Booth  <neil@daikokuya.co.uk>
+
 	* gcc.dg/cpp/_Pragma4.c: Remove stray space.
 	* gcc.dg/cpp/trad/escaped-eof.c: Correct line number.
 

gcc/testsuite/gcc.dg/cpp/cpp.exp

@@ -36,7 +36,7 @@ if ![info exists DEFAULT_CFLAGS] then {
 dg-init
 
 # Main loop.
-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cCS\]]] \
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.{c,cpp,S} ]] \
 	"" $DEFAULT_CFLAGS
 
 # All done.

gcc/testsuite/gcc.dg/cpp/truefalse.cpp

+/* Copyright (C) 2003 Free Software Foundation, Inc.  */
+
+/* Source: Neil Booth, 18 Apr 2003.  */
+
+/* { dg-do preprocess } */
+/* { dg-options "-ansi -pedantic -Wundef" } */
+
+/* Check that for C++ we handle true and false correctly, and do not
+   treat them as undefined identifiers.  */
+
+#if true		/* { dg-bogus "is not defined" } */
+#error foo		/* { dg-error "foo" } */
+#endif
+
+#if false		/* { dg-bogus "is not defined" } */
+#error foo		/* { dg-bogus "foo" } */
+#endif