From 26e46617b9ef6cac9853854db5d5f6250a435392 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Sat, 26 Dec 2020 16:41:09 +0100
Subject: [PATCH] configure: set -Wextra-semi-stmt for clang with
 --enable-debug

To have it properly complain on empty statements with no effect.

Ref: #6376
Closes #6378
---
 m4/curl-compilers.m4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index 59ac340c0f..8886a469a4 100644
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -948,6 +948,7 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
           dnl clang 7 or later
           if test "$compiler_num" -ge "700"; then
             CURL_ADD_COMPILER_WARNINGS([tmp_CFLAGS], [assign-enum])
+            CURL_ADD_COMPILER_WARNINGS([tmp_CFLAGS], [extra-semi-stmt])
           fi
         fi
         ;;