Merge "Enable PRODUCT_ART_USE_READ_BARRIER by default."
diff --git a/core/binary.mk b/core/binary.mk
index 4db3d51..4986c85 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -57,6 +57,7 @@
 my_additional_dependencies := $(LOCAL_ADDITIONAL_DEPENDENCIES)
 my_export_c_include_dirs := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
 my_export_c_include_deps := $(LOCAL_EXPORT_C_INCLUDE_DEPS)
+my_arflags :=
 
 ifneq (,$(strip $(foreach dir,$(subst $(comma),$(space),$(COVERAGE_PATHS)),$(filter $(dir)%,$(LOCAL_PATH)))))
   my_native_coverage := true
@@ -1736,6 +1737,7 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(my_ldlibs)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TIDY_CHECKS := $(my_tidy_checks)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TIDY_FLAGS := $(my_tidy_flags)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ARFLAGS := $(my_arflags)
 
 # this is really the way to get the files onto the command line instead
 # of using $^, because then LOCAL_ADDITIONAL_DEPENDENCIES doesn't work
diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
index c9883d4..38cf86d 100644
--- a/core/config_sanitizers.mk
+++ b/core/config_sanitizers.mk
@@ -143,8 +143,13 @@
 endif
 
 ifneq ($(filter cfi,$(my_sanitize)),)
+  # __cfi_check needs to be built as Thumb (see the code in linker_cfi.cpp).
+  # LLVM is not set up to do this on a function basis, so force Thumb on the
+  # entire module.
+  LOCAL_ARM_MODE := thumb
   my_cflags += -flto -fsanitize-cfi-cross-dso -fvisibility=default
   my_ldflags += -flto -fsanitize-cfi-cross-dso -fsanitize=cfi -Wl,-plugin-opt,O1 -Wl,-export-dynamic-symbol=__cfi_check
+  my_arflags += --plugin $(LLVM_PREBUILTS_PATH)/../lib64/LLVMgold.so
 endif
 
 # If local or global modules need ASAN, add linker flags.
diff --git a/core/definitions.mk b/core/definitions.mk
index dd53e7e..d77cea9 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1581,6 +1581,7 @@
 $(extract-and-include-target-whole-static-libs)
 $(call split-long-arguments,$($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_AR) \
     $($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_ARFLAGS) \
+    $(PRIVATE_ARFLAGS) \
     $@,$(PRIVATE_ALL_OBJECTS))
 endef
 
diff --git a/target/product/runtime_libart.mk b/target/product/runtime_libart.mk
index 3dd505f..0f42c27 100644
--- a/target/product/runtime_libart.mk
+++ b/target/product/runtime_libart.mk
@@ -53,6 +53,7 @@
 PRODUCT_PACKAGES += \
     dalvikvm \
     dex2oat \
+    dexoptanalyzer \
     libart \
     libart_fake \
     libopenjdkjvmti \