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-rw-r--r--gcc/input.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/input.h b/gcc/input.h
index 299f56c3ce6..7f00dc7cd0a 100644
--- a/gcc/input.h
+++ b/gcc/input.h
@@ -1,6 +1,6 @@
/* Declarations for variables relating to reading the source file.
Used by parsers, lexical analyzers, and error message routines.
- Copyright (C) 1993, 1997, 1998, 2000, 2003, 2004, 2007, 2008
+ Copyright (C) 1993, 1997, 1998, 2000, 2003, 2004, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GCC.
@@ -30,7 +30,12 @@ extern GTY(()) struct line_maps *line_table;
#define UNKNOWN_LOCATION ((source_location) 0)
/* The location for declarations in "<built-in>" */
-#define BUILTINS_LOCATION ((source_location) 2)
+#define BUILTINS_LOCATION ((source_location) 1)
+
+/* line-map.c reserves RESERVED_LOCATION_COUNT to the user. Ensure
+ both UNKNOWN_LOCATION and BUILTINS_LOCATION fit into that. */
+extern char builtins_location_check[(BUILTINS_LOCATION
+ < RESERVED_LOCATION_COUNT) ? 1 : -1];
typedef struct GTY (())
{