diff --git a/core/binary.mk b/core/binary.mk
index 4986c85..304a72e 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -394,8 +394,21 @@
     my_clang := true
 endif
 
-my_c_std_version := $(DEFAULT_C_STD_VERSION)
-my_cpp_std_version := $(DEFAULT_CPP_STD_VERSION)
+ifeq ($(LOCAL_C_STD),)
+    my_c_std_version := $(DEFAULT_C_STD_VERSION)
+else ifeq ($(LOCAL_C_STD),experimental)
+    my_c_std_version := $(EXPERIMENTAL_C_STD_VERSION)
+else
+    my_c_std_version := $(LOCAL_C_STD)
+endif
+
+ifeq ($(LOCAL_CPP_STD),)
+    my_cpp_std_version := $(DEFAULT_CPP_STD_VERSION)
+else ifeq ($(LOCAL_CPP_STD),experimental)
+    my_cpp_std_version := $(EXPERIMENTAL_CPP_STD_VERSION)
+else
+    my_cpp_std_version := $(LOCAL_CPP_STD)
+endif
 
 ifneq ($(my_clang),true)
     # GCC uses an invalid C++14 ABI (emits calls to
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 6e61d15..02e574f 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -224,6 +224,8 @@
 LOCAL_WARNINGS_ENABLE:=
 LOCAL_WHOLE_STATIC_LIBRARIES:=
 LOCAL_YACCFLAGS:=
+LOCAL_C_STD:=
+LOCAL_CPP_STD:=
 OVERRIDE_BUILT_MODULE_PATH:=
 
 # arch specific variables
diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
index 38cf86d..5eaf7b1 100644
--- a/core/config_sanitizers.mk
+++ b/core/config_sanitizers.mk
@@ -68,6 +68,12 @@
   my_sanitize_diag := $(filter-out cfi,$(my_sanitize_diag))
 endif
 
+# CFI needs gold linker, and mips toolchain does not have one.
+ifneq ($(filter mips mips64,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)),)
+  my_sanitize := $(filter-out cfi,$(my_sanitize))
+  my_sanitize_diag := $(filter-out cfi,$(my_sanitize_diag))
+endif
+
 my_nosanitize = $(strip $(LOCAL_NOSANITIZE))
 ifneq ($(my_nosanitize),)
   my_sanitize := $(filter-out $(my_nosanitize),$(my_sanitize))
@@ -150,6 +156,11 @@
   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 $(LLVM_PREBUILTS_PATH)/../lib64/LLVMgold.so
+  # Workaround for b/33678192. CFI jumptables need Thumb2 codegen.  Revert when
+  # Clang is updated past r290384.
+  ifneq ($(filter arm,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)),)
+    my_ldflags += -march=armv7-a
+  endif
 endif
 
 # If local or global modules need ASAN, add linker flags.
diff --git a/tools/releasetools/add_img_to_target_files.py b/tools/releasetools/add_img_to_target_files.py
index c80d4bd..28fd474 100755
--- a/tools/releasetools/add_img_to_target_files.py
+++ b/tools/releasetools/add_img_to_target_files.py
@@ -62,6 +62,7 @@
 
 import build_image
 import common
+import rangelib
 import sparse_img
 
 OPTIONS = common.OPTIONS
@@ -81,7 +82,16 @@
   simg = sparse_img.SparseImage(imgname)
   care_map_list = []
   care_map_list.append(blk_device)
-  care_map_list.append(simg.care_map.to_string_raw())
+
+  care_map_ranges = simg.care_map
+  key = which + "_adjusted_partition_size"
+  adjusted_blocks = OPTIONS.info_dict.get(key)
+  if adjusted_blocks:
+    assert adjusted_blocks > 0, "blocks should be positive for " + which
+    care_map_ranges = care_map_ranges.intersect(rangelib.RangeSet(
+        "0-%d" % (adjusted_blocks,)))
+
+  care_map_list.append(care_map_ranges.to_string_raw())
   return care_map_list
 
 
@@ -212,6 +222,14 @@
                                 image_props, img)
   assert succ, "build " + what + ".img image failed"
 
+  is_verity_partition = "verity_block_device" in image_props
+  verity_supported = image_props.get("verity") == "true"
+  if is_verity_partition and verity_supported:
+    adjusted_blocks_value = image_props.get("partition_size")
+    if adjusted_blocks_value:
+      adjusted_blocks_key = what + "_adjusted_partition_size"
+      info_dict[adjusted_blocks_key] = int(adjusted_blocks_value)/4096 - 1
+
   return img