update clang command-line flags that we filter out

Summary:Open-source clang has caught up a bit with apple's clang, so we don't need to
filter as many compilation flags as we used to.

Reviewed By: akotulski, martinoluca

Differential Revision: D3212553

fb-gh-sync-id: 5638dc8
fbshipit-source-id: 5638dc8

infer/lib/clang_wrappers/clang_wrapper

@@ -16,14 +16,8 @@ COMMAND=("${CLANG_COMPILER}${XX}")
 PREV=""
 for X in "$@"
 do
-    if [ "$X" == "-fapplication-extension" ] \
-        || [ "$X" == "-fembed-bitcode-marker" ] \
-        || [[ "$X" =~ "-mwatchos-version-min" ]]; then
+    if [ "$X" == "-fembed-bitcode-marker" ]; then
         continue
-    elif [ "$X" == "-gmodules" ]; then
-        # gmodules is an alias for "-g -fmodule-format=obj -dwarf-ext-refs"
-        # but "-fmodule-format" is not available, so skip it for now.
-        COMMAND+=("-g" "-dwarf-ext-refs")
     elif [ "$X" == "armv7k" ] && [ "$PREV" == "-arch" ]; then
         # replace armv7k arch with armv7
         COMMAND+=("armv7")