You must be talking about integer overflow checks [1]. This talk is more about something like C's fenv.h. [1] https://doc.rust-lang.org/rustc/codegen-options/i

You must be talking about integer overflow checks [1]. This talk is more about something like C's fenv.h. [1] https://doc.rust-lang.org/rustc/codegen-options/index.html#overflow-checks https://doc.rust-lang.org/rustc/codegen-options/index.html#o...