[gn build] Enable hwasan for aarch64 Android (llvm#115219)

Author: aeubanks

llvm/utils/gn/secondary/compiler-rt/lib/BUILD.gn

@@ -10,6 +10,9 @@ group("lib") {
   if (current_os == "linux" || current_os == "android") {
     deps += [ "//compiler-rt/lib/ubsan_minimal" ]
   }
+  if (current_os == "android" && current_cpu == "arm64") {
+    deps += [ "//compiler-rt/lib/hwasan" ]
+  }
   if (current_os != "baremetal") {
     deps += [
       "//compiler-rt/lib/asan",

llvm/utils/gn/secondary/compiler-rt/lib/hwasan/BUILD.gn

@@ -11,7 +11,7 @@ gen_version_script("version_script") {
   extra = "hwasan.syms.extra"
   output = "$target_gen_dir/hwasan.vers"
   libs = [
-    ":hwasan",
+    ":hwasan_static",
     ":hwasan_cxx",
   ]
   lib_names = [
@@ -88,7 +88,7 @@ source_set("cxx_sources") {
   sources = [ "hwasan_new_delete.cpp" ]
 }
 
-static_library("hwasan") {
+static_library("hwasan_static") {
   output_dir = crt_current_out_dir
   output_name = "clang_rt.$hwasan_name$crt_current_target_suffix"
   complete_static_lib = true
@@ -140,3 +140,13 @@ static_library("hwasan_preinit") {
   configs += [ "//llvm/utils/gn/build:crt_code" ]
   sources = [ "hwasan_preinit.cpp" ]
 }
+
+group("hwasan") {
+  deps = [
+    ":hwasan_preinit",
+    ":hwasan_shared",
+    ":hwasan_static",
+    ":hwasan_cxx",
+    ":version_script",
+  ]
+}