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-rw-r--r--gcc/cpphash.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/cpphash.h b/gcc/cpphash.h
index bb306d94e59..5422979c152 100644
--- a/gcc/cpphash.h
+++ b/gcc/cpphash.h
@@ -48,7 +48,7 @@ typedef struct hashnode HASHNODE;
#define HASHSTEP(old, c) ((old << 2) + c)
#define MAKE_POS(v) (v & 0x7fffffff) /* make number positive */
-extern HASHNODE *cpp_install PARAMS ((cpp_reader *, U_CHAR *, int,
+extern HASHNODE *cpp_install PARAMS ((cpp_reader *, const U_CHAR *, int,
enum node_type, const char *, int));
extern int hashf PARAMS ((const U_CHAR *, int, int));
extern void delete_macro PARAMS ((HASHNODE *));