tests/ui/error-codes/E0603.rs - toolchain/rustc - Git at Google

 mod SomeModule {
     const PRIVATE: u32 = 0x_a_bad_1dea_u32;
 }

 fn main() {
     SomeModule::PRIVATE; //~ ERROR E0603
 }
	mod SomeModule {
	const PRIVATE: u32 = 0x_a_bad_1dea_u32;
	}

	fn main() {
	SomeModule::PRIVATE; //~ ERROR E0603
	}