1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/cpphash.h b/gcc/cpphash.h
index 60340d9..98dfb49 100644
--- a/gcc/cpphash.h
+++ b/gcc/cpphash.h
@@ -211,6 +211,9 @@ struct lexer_state
   /* Nonzero if in a directive that takes angle-bracketed headers.  */
   unsigned char angled_headers;
 
+  /* Nonzero if in a #if or #elif directive.  */
+  unsigned char in_expression;
+
   /* Nonzero to save comments.  Turned off if discard_comments, and in
      all directives apart from #define.  */
   unsigned char save_comments;
@@ -309,6 +312,9 @@ struct cpp_reader
   /* Top of buffer stack.  */
   cpp_buffer *buffer;
 
+  /* Overlaid buffer (can be different after processing #include).  */
+  cpp_buffer *overlaid_buffer;
+
   /* Lexer state.  */
   struct lexer_state state;