Store AST function call parameters in expressions

Previously the list of function call parameters was stored as a
circular list in ast_expression::subexpressions[1].  They are now
stored as a regular list in ast_expression::expressions.

1 files changed, 2 insertions, 1 deletions

diff --git a/ast.h b/ast.h
index 41787f5c1c..9fa651878e 100644
--- a/ast.h
+++ b/ast.h
@@ -178,7 +178,8 @@ public:
 
 
    /**
-    * List of expressions for an \c ast_sequence.
+    * List of expressions for an \c ast_sequence or parameters for an
+    * \c ast_function_call
     */
    struct simple_node expressions;
 };