error: Undefined Behavior: `float_to_int_unchecked` intrinsic called on -9.2233720368547778E+18 which cannot be represented in target type `i64` --> $DIR/float_to_int_64_too_small2.rs:LL:CC | LL | float_to_int_unchecked::(-9223372036854777856.0f64); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `float_to_int_unchecked` intrinsic called on -9.2233720368547778E+18 which cannot be represented in target type `i64` | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information = note: BACKTRACE: = note: inside `main` at $DIR/float_to_int_64_too_small2.rs:LL:CC note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace error: aborting due to previous error