am 5e3fcc1e: Merge "Hide unwinder symbols in each binary."

* commit '5e3fcc1e6c5bbf7e85bd9744f178c529dd6c1d49':
  Hide unwinder symbols in each binary.

core/cxx_stl_setup.mk

@@ -70,6 +70,7 @@ ifneq ($(filter $(my_cxx_stl),libc++ libc++_static),)
     else
         ifeq (arm,$($(my_prefix)$(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)