Build v8 snapshot with correct default float configuration on Linux ARM

build/config/arm.gni

Index: build/config/arm.gni
diff --git a/build/config/arm.gni b/build/config/arm.gni
index 6eeca62778b35a90d1630b62d57b1cd8ff23297a..27ed7738abced64765080e78be18d9e7eadb81c9 100644
--- a/build/config/arm.gni
+++ b/build/config/arm.gni
@@ -39,7 +39,7 @@ if (current_cpu == "arm" || v8_current_cpu == "arm") {
          arm_float_abi == "soft" || arm_float_abi == "softfp")
 
   if (arm_use_neon == "") {
-    if (current_os == "linux" && current_cpu != v8_current_cpu) {
+    if (current_os == "linux" && target_cpu != v8_target_cpu) {
       # Don't use neon on V8 simulator builds as a default.
       arm_use_neon = false
     } else {
@@ -66,7 +66,7 @@ if (current_cpu == "arm" || v8_current_cpu == "arm") {
     if (arm_float_abi == "") {
       if (current_os == "android" || target_os == "android") {
         arm_float_abi = "softfp"
-      } else if (current_os == "linux" && current_cpu != v8_current_cpu) {
+      } else if (current_os == "linux" && target_cpu != v8_target_cpu) {
         # Default to the same as Android for V8 simulator builds.
         arm_float_abi = "softfp"
       } else {