diff options
Diffstat (limited to 'compiler/rustc_passes/src')
| -rw-r--r-- | compiler/rustc_passes/src/errors.rs | 6 | ||||
| -rw-r--r-- | compiler/rustc_passes/src/weak_lang_items.rs | 6 |
2 files changed, 11 insertions, 1 deletions
diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index d934e959a41..cf3c7cc4ace 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -813,6 +813,12 @@ pub struct UnknownExternLangItem { pub struct MissingPanicHandler; #[derive(Diagnostic)] +#[diag(passes_panic_unwind_without_std)] +#[help] +#[note] +pub struct PanicUnwindWithoutStd; + +#[derive(Diagnostic)] #[diag(passes_missing_lang_item)] #[note] #[help] diff --git a/compiler/rustc_passes/src/weak_lang_items.rs b/compiler/rustc_passes/src/weak_lang_items.rs index db3d442676e..4eb0c6c275e 100644 --- a/compiler/rustc_passes/src/weak_lang_items.rs +++ b/compiler/rustc_passes/src/weak_lang_items.rs @@ -9,7 +9,9 @@ use rustc_middle::middle::lang_items::required; use rustc_middle::ty::TyCtxt; use rustc_session::config::CrateType; -use crate::errors::{MissingLangItem, MissingPanicHandler, UnknownExternLangItem}; +use crate::errors::{ + MissingLangItem, MissingPanicHandler, PanicUnwindWithoutStd, UnknownExternLangItem, +}; /// Checks the crate for usage of weak lang items, returning a vector of all the /// language items required by this crate, but not defined yet. @@ -76,6 +78,8 @@ fn verify(tcx: TyCtxt<'_>, items: &lang_items::LanguageItems) { if missing.contains(&item) && required(tcx, item) && items.get(item).is_none() { if item == LangItem::PanicImpl { tcx.dcx().emit_err(MissingPanicHandler); + } else if item == LangItem::EhPersonality { + tcx.dcx().emit_err(PanicUnwindWithoutStd); } else { tcx.dcx().emit_err(MissingLangItem { name: item.name() }); } |