maint: simplify --enable-gcc-warnings='expensive'

* configure.ac (WERROR_CFLAGS): Omit mention of
-Wno-analyzer-double-free, -Wno-analyzer-null-dereference, and
-Wno-analyzer-use-after-free as manywarnings no longer uses them.

diff --git a/configure.ac b/configure.ac
index 664d25ec6a089a6d6c760f5083cb401a47f33d81..f61076d2b9d854b8160ae606c00308c383600f17 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -160,8 +160,7 @@ if test $gl_gcc_warnings != no; then
   ew=
   AS_IF([test $gl_gcc_warnings != expensive],
     [# -fanalyzer and related options slow GCC considerably.
-     ew="$ew -fanalyzer -Wno-analyzer-double-free -Wno-analyzer-malloc-leak"
-     ew="$ew -Wno-analyzer-null-dereference -Wno-analyzer-use-after-free"])
+     ew="$ew -fanalyzer -Wno-analyzer-malloc-leak"])
 
   # This, $nw, is the list of warnings we disable.
   nw=$ew