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Rollup merge of #124582 - RalfJung:std-not-found, r=Nilstrieb

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always print nice 'std not found' error when std is not found

Fixes https://github.com/rust-lang/miri/issues/3529

Arguably Miri is doing something odd by letting people create no-std sysroots for arbitrary targets -- but equally arguably, there's no good reason for rustc to special-case the host triple here. Being a non-host triple does not imply the target is a no-std target, after all.
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Guillaume Gomez 2024-05-02 15:11:22 +02:00 committed by GitHub
commit 871f047c4c
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1 changed files with 1 additions and 4 deletions
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5
compiler/rustc_metadata/src/errors.rs
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@ -5,7 +5,6 @@ use std::{
use rustc_errors::{codes::*, Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_session::config;
use rustc_span::{sym, Span, Symbol};
use rustc_target::spec::{PanicStrategy, TargetTriple};
@ -640,9 +639,7 @@ impl<G: EmissionGuarantee> Diagnostic<'_, G> for CannotFindCrate {
diag.arg("locator_triple", self.locator_triple.triple());
diag.code(E0463);
diag.span(self.span);
if (self.crate_name == sym::std || self.crate_name == sym::core)
&& self.locator_triple != TargetTriple::from_triple(config::host_triple())
{
if self.crate_name == sym::std || self.crate_name == sym::core {
if self.missing_core {
diag.note(fluent::metadata_target_not_installed);
} else {