From aeeb8b2ca125d0348072dba9b266dca8bd98e1e4 Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Wed, 2 Apr 2014 17:32:05 -0700
Subject: [PATCH] parse: note "@perf" as a built-in

- Add "@perf" to lexer::atwords for macro-conflict warnings.
- Don't bother with any --compatible check.
---
 parse.cxx | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/parse.cxx b/parse.cxx
index c89497059..a8065b774 100644
--- a/parse.cxx
+++ b/parse.cxx
@@ -1384,6 +1384,7 @@ lexer::lexer (istream& input, const string& in, systemtap_session& s):
       atwords.insert("@cast");
       atwords.insert("@defined");
       atwords.insert("@entry");
+      atwords.insert("@perf");
       atwords.insert("@var");
       atwords.insert("@avg");
       atwords.insert("@count");
@@ -3749,10 +3750,6 @@ expression* parser::parse_entry_op (const token* t)
 expression* parser::parse_perf_op (const token* t)
 {
   perf_op* pop = new perf_op;
-
-  if (strverscmp(session.compatible.c_str(), "2.1") < 0)
-    throw PARSE_ERROR (_("expected @cast, @var or $var"));
-
   pop->tok = t;
   expect_op("(");
   pop->operand = parse_literal_string ();
-- 
2.43.5