1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/c-tree.h b/gcc/c-tree.h
index 3a9f4f8..7605cfe 100644
--- a/gcc/c-tree.h
+++ b/gcc/c-tree.h
@@ -505,6 +505,10 @@ extern int warn_missing_braces;
 
 extern int warn_sign_compare;
 
+/* Warn about multicharacter constants.  */
+
+extern int warn_multichar;
+
 /* Nonzero means we are reading code that came from a system header file.  */
 
 extern int system_header_p;