From: Mattias Engdegård <mattiase@acm.org>
Date: Wed, 20 Sep 2023 09:22:17 +0000 (+0200)
Subject: Re-enable -Wswitch when building with Clang
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Re-enable -Wswitch when building with Clang

* configure.ac (WERROR_CFLAGS): Remove -Wno-switch, inserted a decade
ago but doesn't seem to be needed now.  Please tell me if you
observe otherwise.
---

diff --git a/configure.ac b/configure.ac
index 7ca75be996d..855c4ec7df1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1713,7 +1713,6 @@ AS_IF([test $gl_gcc_warnings = no],
   AS_IF([test "$emacs_cv_clang" = yes],
    [
      # Turn off some warnings if supported.
-     gl_WARN_ADD([-Wno-switch])
      gl_WARN_ADD([-Wno-pointer-sign])
      gl_WARN_ADD([-Wno-string-plus-int])
      gl_WARN_ADD([-Wno-unknown-attributes])