Add missing arm64 -Werror=implicit-function-declaration
This exists for all of the 64-bit architectures in the make build system
Change-Id: I023ef1afdaaa790aac4243a5c040f533b8814684
diff --git a/cc/arm64_device.go b/cc/arm64_device.go
index 9194c6d..8ee2bc4 100644
--- a/cc/arm64_device.go
+++ b/cc/arm64_device.go
@@ -40,6 +40,7 @@
// Help catch common 32/64-bit errors.
"-Werror=pointer-to-int-cast",
"-Werror=int-to-pointer-cast",
+ "-Werror=implicit-function-declaration",
"-fno-strict-volatile-bitfields",
