From 6e6950fbbc6ffe7ca5b475caca8581ade76823db Mon Sep 17 00:00:00 2001
From: Akim Demaille <akim.demaille@gmail.com>
Date: Mon, 11 Oct 2021 07:14:05 +0200
Subject: build: check -Wsubobject-linkage in C++

* configure.ac (warn_cxx): here.
---
 TODO         | 4 ++++
 configure.ac | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/TODO b/TODO
index d89894c7..3fd48fac 100644
--- a/TODO
+++ b/TODO
@@ -1,4 +1,8 @@
 * Soon
+** yyerror_range in GLR
+It seems useless that it is based on glr_stack_item, it should be doable
+with location only.
+
 ** scan-code
 The default case is scanning char-per-char.
 
diff --git a/configure.ac b/configure.ac
index 7f6133eb..926dc99f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -137,7 +137,8 @@ if test "$enable_gcc_warnings" = yes; then
   warn_c='-Wbad-function-cast
     -Wmissing-prototypes
     -Wstrict-prototypes'
-  warn_cxx='-Wextra-semi -Wnoexcept -Wold-style-cast -Wundefined-func-template
+  warn_cxx='-Wextra-semi -Wnoexcept -Wsubobject-linkage
+    -Wold-style-cast -Wundefined-func-template
     -Wweak-vtables'
   # Warnings for the test suite only.
   #
-- 
cgit v1.2.1