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Rollup merge of #118271 - compiler-errors:float, r=RalfJung

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Separate `NaN`/`Inf` floats with `_`

r? RalfJung

Fixes #118221

No test 🤷 unless you know a good way to print an `ImmTy` in a unit test?
This commit is contained in:
León Orell Valerian Liehr 2023-11-25 10:21:08 +01:00 committed by GitHub
commit a663bb946f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 2 deletions
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7
compiler/rustc_middle/src/ty/print/pretty.rs
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@ -8,6 +8,7 @@ use crate::ty::{
};
use crate::ty::{GenericArg, GenericArgKind};
use rustc_apfloat::ieee::{Double, Single};
use rustc_apfloat::Float;
use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
use rustc_data_structures::sso::SsoHashSet;
use rustc_hir as hir;
@ -1477,10 +1478,12 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write {
ty::Bool if int == ScalarInt::TRUE => p!("true"),
// Float
ty::Float(ty::FloatTy::F32) => {
p!(write("{}f32", Single::try_from(int).unwrap()))
let val = Single::try_from(int).unwrap();
p!(write("{}{}f32", val, if val.is_finite() { "" } else { "_" }))
}
ty::Float(ty::FloatTy::F64) => {
p!(write("{}f64", Double::try_from(int).unwrap()))
let val = Double::try_from(int).unwrap();
p!(write("{}{}f64", val, if val.is_finite() { "" } else { "_" }))
}
// Int
ty::Uint(_) | ty::Int(_) => {