From 11a5f0edf156bf2bb828ede170a0d03aa2b4befd Mon Sep 17 00:00:00 2001
From: acqn <acqn163@outlook.com>
Date: Mon, 3 Aug 2020 01:15:57 +0800
Subject: [PATCH] No "Statement has no effect" warnings on statements with
 errors.

---
 src/cc65/stmt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/cc65/stmt.c b/src/cc65/stmt.c
index b02ae1cd6..27665e619 100644
--- a/src/cc65/stmt.c
+++ b/src/cc65/stmt.c
@@ -581,6 +581,7 @@ int Statement (int* PendingToken)
     ExprDesc Expr;
     int GotBreak;
     CodeMark Start, End;
+    unsigned PrevErrorCount = ErrorCount;
 
     /* Assume no pending token */
     if (PendingToken) {
@@ -681,7 +682,8 @@ int Statement (int* PendingToken)
             GetCodePos (&End);
             if (CodeRangeIsEmpty (&Start, &End) &&
                 !IsTypeVoid (Expr.Type)         &&
-                IS_Get (&WarnNoEffect)) {
+                IS_Get (&WarnNoEffect)          &&
+                PrevErrorCount == ErrorCount) {
                 Warning ("Statement has no effect");
             }
             CheckSemi (PendingToken);