From a1698a15dc93e429732d513ecfa3f1be723b51c5 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Tue, 8 Jan 2019 19:32:38 +0100
Subject: [PATCH] bc: remove "empty expression" check/message, parsing fails in
 these cases anyway

function                                             old     new   delta
zbc_parse_expr                                      1848    1818     -30

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 miscutils/bc.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/miscutils/bc.c b/miscutils/bc.c
index cf0fdd6d8..a34312851 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -4780,9 +4780,10 @@ static BC_STATUS zbc_parse_expr(uint8_t flags)
 			break;
 		case BC_LEX_RPAREN:
 			dbg_lex("%s:%d LEX_RPAREN", __func__, __LINE__);
-			if (p->lex_last == BC_LEX_LPAREN) {
-				RETURN_STATUS(bc_error("empty expression"));
-			}
+//why?
+//			if (p->lex_last == BC_LEX_LPAREN) {
+//				RETURN_STATUS(bc_error_at("empty expression"));
+//			}
 			if (bin_last || prev == XC_INST_BOOL_NOT)
 				RETURN_STATUS(bc_error_bad_expression());
 			if (nparens == 0) {