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-rw-r--r--m4/curl-compilers.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index 63e45f3e0..95afae426 100644
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -1060,6 +1060,7 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
tmp_CFLAGS="$tmp_CFLAGS -Walloc-zero"
tmp_CFLAGS="$tmp_CFLAGS -Wformat-overflow=2"
tmp_CFLAGS="$tmp_CFLAGS -Wformat-truncation=2"
+ tmp_CFLAGS="$tmp_CFLAGS -Wimplicit-fallthrough=4"
fi
#
fi