From 72b937bfdf92680571c06cc96030cb94afa7ec26 Mon Sep 17 00:00:00 2001
From: Vern Paxson <vern@corelight.com>
Date: Fri, 11 Mar 2022 14:20:09 -0800
Subject: [PATCH] avoid evaluating calls to determine whether an expression
 value is ignored

---
 src/Stmt.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Stmt.cc b/src/Stmt.cc
index 7cbb13d7da..0467dad9ee 100644
--- a/src/Stmt.cc
+++ b/src/Stmt.cc
@@ -396,7 +396,7 @@ void do_print_stmt(const std::vector<ValPtr>& vals)
 
 ExprStmt::ExprStmt(ExprPtr arg_e) : Stmt(STMT_EXPR), e(std::move(arg_e))
 	{
-	if ( e && e->IsPure() && e->GetType()->Tag() != TYPE_ERROR )
+	if ( e && e->Tag() != EXPR_CALL && e->IsPure() && e->GetType()->Tag() != TYPE_ERROR )
 		Warn("expression value ignored");
 
 	SetLocationInfo(e->GetLocationInfo());