tests: Add -Werror=pointer-sign flag

diff --git a/configure.ac b/configure.ac
index f57cfa0ad92135d505e04dc45cd27beb72514b82..99f51492fbfa63eeb3676f4ea3851578988f78ed 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -121,6 +121,7 @@ TEST_EXTRA_CFLAGS="-Werror=init-self \
 -Werror=implicit \
 -Werror=implicit-fallthrough \
 -Werror=pointer-arith \
+-Werror=pointer-sign \
 -Werror=redundant-decls \
 -Werror=return-local-addr \
 -Werror=return-stack-address \