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Silence follow-up errors from lit_to_const

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This commit is contained in:
Oli Scherer 2024-12-05 16:57:30 +00:00
parent acf48426b6
commit cb72b9bb37
5 changed files with 11 additions and 78 deletions
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6
compiler/rustc_mir_build/src/thir/constant.rs
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@ -2,7 +2,7 @@ use rustc_ast as ast;
use rustc_hir::LangItem;
use rustc_middle::bug;
use rustc_middle::mir::interpret::{LitToConstError, LitToConstInput};
use rustc_middle::ty::{self, ScalarInt, TyCtxt};
use rustc_middle::ty::{self, ScalarInt, TyCtxt, TypeVisitableExt as _};
use tracing::trace;
use crate::build::parse_float_into_scalar;
@ -13,6 +13,10 @@ pub(crate) fn lit_to_const<'tcx>(
) -> Result<ty::Const<'tcx>, LitToConstError> {
let LitToConstInput { lit, ty, neg } = lit_input;
if let Err(guar) = ty.error_reported() {
return Ok(ty::Const::new_error(tcx, guar));
}
let trunc = |n| {
let width = match tcx.layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(ty)) {
Ok(layout) => layout.size,