From c214fa639571d391ce1d4965e594de06c9c5a29c Mon Sep 17 00:00:00 2001
From: uz <uz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Thu, 27 Aug 2009 22:09:46 +0000
Subject: [PATCH] When preprocessing, all compares evaluate to constants, so
 don't print a warning in this case.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4059 b7a2c559-68d2-44c3-8de9-860c34a00d81
---
 src/cc65/expr.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/cc65/expr.c b/src/cc65/expr.c
index e8c962967..6c6268cc1 100644
--- a/src/cc65/expr.c
+++ b/src/cc65/expr.c
@@ -1884,8 +1884,13 @@ static void hie_compare (const GenDesc* Ops,    /* List of generators */
 
 	/* Check for const operands */
 	if (ED_IsConstAbs (Expr) && rconst) {
-
-            Warning ("Result of comparison is constant");
+             
+            /* If the result is constant, this is suspicious when not in 
+             * preprocessor mode.
+             */
+            if (!Preprocessing) {
+                Warning ("Result of comparison is constant");
+            }
 
        	    /* Both operands are constant, remove the generated code */
        	    RemoveCode (&Mark1);
-- 
2.39.5