From c65fd410e91c87f9dcc07a6486478dd5c0508aee Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 29 Nov 2001 23:40:55 +0100
Subject: [PATCH] * c-lex.c (init_c_lex): Canonicalize "-" filename to "".

From-SVN: r47461
---
 gcc/ChangeLog | 4 ++++
 gcc/c-lex.c   | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2d42c7c7e18..8370ef9025d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-11-29  Jakub Jelinek  <jakub@redhat.com>
+
+	* c-lex.c (init_c_lex): Canonicalize "-" filename to "".
+
 2001-11-29  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.c (ASM_DEBUG_SPEC): Only check HAVE_AS_G*_DEBUG_FLAG
diff --git a/gcc/c-lex.c b/gcc/c-lex.c
index ea824ec239e..3867ef2069e 100644
--- a/gcc/c-lex.c
+++ b/gcc/c-lex.c
@@ -142,7 +142,7 @@ init_c_lex (filename)
   /* Start it at 0.  */
   lineno = 0;
 
-  if (filename == NULL)
+  if (filename == NULL || !strcmp (filename, "-"))
     filename = "";
 
   return cpp_read_main_file (parse_in, filename, ident_hash);
-- 
2.30.2