tests: Add -Werror=null-dereference flag

diff --git a/configure.ac b/configure.ac
index eac4e128d34b542744131f0b0019d37550e22d26..0c80d5791712d8cea7f50afcd65204caf8f0da90 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -135,6 +135,7 @@ TEST_EXTRA_CFLAGS="-Werror=init-self \
 -Werror=compare-distinct-pointer-types \
 -Werror=empty-body \
 -Werror=comment \
+-Werror=null-dereference \
 -Werror=strict-overflow \
 -Werror=shift-overflow \
 -Wformat=2 \