From 4e1f0f8e1fee97fc492f6204c02447a29673a954 Mon Sep 17 00:00:00 2001
From: Neil Booth <neil@daikokuya.co.uk>
Date: Sat, 19 Apr 2003 10:04:47 +0000
Subject: [PATCH] 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                          |  4 ++++
 gcc/cppexp.c                           |  8 --------
 gcc/testsuite/ChangeLog                |  5 +++++
 gcc/testsuite/gcc.dg/cpp/cpp.exp       |  2 +-
 gcc/testsuite/gcc.dg/cpp/truefalse.cpp | 17 +++++++++++++++++
 5 files changed, 27 insertions(+), 9 deletions(-)
 create mode 100644 gcc/testsuite/gcc.dg/cpp/truefalse.cpp

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2ff09ffacad..5be40867c90 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+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.
diff --git a/gcc/cppexp.c b/gcc/cppexp.c
index 59a08e90a67..9ab7b5fa14b 100644
--- a/gcc/cppexp.c
+++ b/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
 	{
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fc71e0cf9c3..0eae036feb3 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+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.
diff --git a/gcc/testsuite/gcc.dg/cpp/cpp.exp b/gcc/testsuite/gcc.dg/cpp/cpp.exp
index d477433c3b2..47c20ffb201 100644
--- a/gcc/testsuite/gcc.dg/cpp/cpp.exp
+++ b/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.
diff --git a/gcc/testsuite/gcc.dg/cpp/truefalse.cpp b/gcc/testsuite/gcc.dg/cpp/truefalse.cpp
new file mode 100644
index 00000000000..d852d4e2f21
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/truefalse.cpp
@@ -0,0 +1,17 @@
+/* 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
-- 
2.30.2