src/test/ui/consts/const-eval/const-eval-overflow2c.rs

   1 #![allow(unused_imports)]
   2
   3 // Note: the relevant lint pass here runs before some of the constant
   4 // evaluation below (e.g., that performed by codegen and llvm), so if you
   5 // change this warn to a deny, then the compiler will exit before
   6 // those errors are detected.
   7
   8 use std::fmt;
   9
  10 const VALS_I8: (i8,) =
  11     (
  12      i8::MIN * 2,
  13      );
  14  //~^^ ERROR evaluation of constant value failed
  15
  16 const VALS_I16: (i16,) =
  17     (
  18      i16::MIN * 2,
  19      );
  20  //~^^ ERROR evaluation of constant value failed
  21
  22 const VALS_I32: (i32,) =
  23     (
  24      i32::MIN * 2,
  25      );
  26  //~^^ ERROR evaluation of constant value failed
  27
  28 const VALS_I64: (i64,) =
  29     (
  30      i64::MIN * 2,
  31      );
  32  //~^^ ERROR evaluation of constant value failed
  33
  34 const VALS_U8: (u8,) =
  35     (
  36      u8::MAX * 2,
  37      );
  38  //~^^ ERROR evaluation of constant value failed
  39
  40 const VALS_U16: (u16,) = (
  41      u16::MAX * 2,
  42      );
  43  //~^^ ERROR evaluation of constant value failed
  44
  45 const VALS_U32: (u32,) = (
  46      u32::MAX * 2,
  47      );
  48  //~^^ ERROR evaluation of constant value failed
  49
  50 const VALS_U64: (u64,) =
  51     (
  52      u64::MAX * 2,
  53      );
  54  //~^^ ERROR evaluation of constant value failed
  55
  56 fn main() {
  57     foo(VALS_I8);
  58     foo(VALS_I16);
  59     foo(VALS_I32);
  60     foo(VALS_I64);
  61
  62     foo(VALS_U8);
  63     foo(VALS_U16);
  64     foo(VALS_U32);
  65     foo(VALS_U64);
  66 }
  67
  68 fn foo<T>(_: T) {
  69 }