am 215959e7: Revert "Revert "Hide unwinder symbols in each binary.""

* commit '215959e77d345899fbafa20f765b497b3ac37301':
  Revert "Revert "Hide unwinder symbols in each binary.""
diff --git a/core/cxx_stl_setup.mk b/core/cxx_stl_setup.mk
index ce56610..3450b2c 100644
--- a/core/cxx_stl_setup.mk
+++ b/core/cxx_stl_setup.mk
@@ -68,6 +68,7 @@
     else
         ifeq (arm,$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
             my_static_libraries += libunwind_llvm
+            my_ldflags += -Wl,--exclude-libs,libunwind_llvm.a
         endif
 
         ifeq ($(my_link_type),static)