On AIX (using XlC 12.1 compiler) the current Harfbuzz version in jdk / jdk10 fails to compile and breaks the AIX build.

compile error :
=== Output from failing command(s) repeated here ===
* For target support_native_java.desktop_libfontmanager_hb-ot-shape-complex-arabic.o:
" /jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-shape-complex-arabic-fallback.hh", line 80.3: 1540-0218 (S) The call does not match any parameter list for "hb_stable_sort".
" /jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-private.hh", line 723.1: 1540-1283 (I) "template <class T, class T2> hb_stable_sort(T *, unsigned int, int (*)(const T *, const T *), T2 *)" is not a viable candidate.
" /jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-shape-complex-arabic-fallback.hh", line 80.43: 1540-0298 (I) Template argument deduction cannot be performed using the function "template int cmp(Type2) const".
" /jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-private.hh", line 748.1: 1540-1283 (I) "template <class T> hb_stable_sort(T *, unsigned int, int (*)(const T *, const T *))" is not a viable candidate.
" /jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-shape-complex-arabic-fallback.hh", line 80.3: 1540-0215 (I) The wrong number of arguments has been specified for "template <class T> hb_stable_sort(T *, unsigned int, int (*)(const T *, const T *))".
" /jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-shape-complex-arabic-fallback.hh", line 129.3: 1540-0218 (S) The call does not match any parameter list for "hb_stable_sort".
" /jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-private.hh", line 723.1: 1540-1283 (I) "template <class T, class T2> hb_stable_sort(T *, unsigned int, int (*)(const T *, const T *), T2 *)" is not a viable candidate.
" /jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-shape-complex-arabic-fallback.hh", line 129.55: 1540-0298 (I) Template argument deduction cannot be performed using the function "template int cmp(Type2) const".
" /jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-private.hh", line 748.1: 1540-1283 (I) "template <class T> hb_stable_sort(T *, unsigned int, int (*)(const T *, const T *))" is not a viable candidate.
" /jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-shape-complex-arabic-fallback.hh", line 129.3: 1540-0215 (I) The wrong number of arguments has been specified for "template <class T> hb_stable_sort(T *, unsigned int, int (*)(const T *, const T *))".