Bug 1288596 - Better error message when compiler is incompatible with sanitizer, r=glandium

--HG--
extra : rebase_source : eb0582ee2ff4b576fd34b91bc4caf66493b84b96

build/autoconf/sanitize.m4

@@ -82,4 +82,10 @@ fi
 AC_SUBST(MOZ_NO_WLZDEFS)
 AC_SUBST(MOZ_CFLAGS_NSS)
 
+dnl ========================================================
+dnl = Test for whether the compiler is compatible with the
+dnl = given sanitize options.
+dnl ========================================================
+AC_TRY_LINK(,,,AC_MSG_ERROR([compiler is incompatible with sanitize options]))
+
 ])