(skip_evaluation): New variable.

From-SVN: r13232

diff --git a/gcc/c-tree.h b/gcc/c-tree.h
index e4a9ecef46751098140aeffb0de80f02e8a22ed1..956f9b898085f436517c10ec8a0a37a729bf5d0a 100644 (file)
--- a/gcc/c-tree.h
+++ b/gcc/c-tree.h
@@ -385,6 +385,11 @@ extern int current_function_returns_value;
 
 extern int current_function_returns_null;
 
+/* Nonzero means the expression being parsed will never be evaluated.
+   This is a count, since unevaluated expressions can nest.  */
+
+extern int skip_evaluation;
+
 /* Nonzero means `$' can be in an identifier.  */
 
 extern int dollars_in_ident;