rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

use TypingEnv when no infcx is available

Browse Source 
the behavior of the type system not only depends on the current
assumptions, but also the currentnphase of the compiler. This is
mostly necessary as we need to decide whether and how to reveal
opaque types. We track this via the `TypingMode`.
This commit is contained in:
lcnr
2024-11-15 13:53:31 +01:00
parent bf6adec108
commit 9cba14b95b
240 changed files with 1739 additions and 1340 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
compiler/rustc_lint/src/non_fmt_panic.rs
View File

@@ -157,15 +157,17 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc
Some(ty_def) if cx.tcx.is_lang_item(ty_def.did(), LangItem::String),
);
let infcx = cx.tcx.infer_ctxt().build(cx.typing_mode());
let (infcx, param_env) = cx.tcx.infer_ctxt().build_with_typing_env(cx.typing_env());
let suggest_display = is_str
|| cx.tcx.get_diagnostic_item(sym::Display).is_some_and(|t| {
infcx.type_implements_trait(t, [ty], cx.param_env).may_apply()
});
|| cx
.tcx
.get_diagnostic_item(sym::Display)
.is_some_and(|t| infcx.type_implements_trait(t, [ty], param_env).may_apply());
let suggest_debug = !suggest_display
&& cx.tcx.get_diagnostic_item(sym::Debug).is_some_and(|t| {
infcx.type_implements_trait(t, [ty], cx.param_env).may_apply()
});
&& cx
.tcx
.get_diagnostic_item(sym::Debug)
.is_some_and(|t| infcx.type_implements_trait(t, [ty], param_env).may_apply());
let suggest_panic_any = !is_str && panic == sym::std_panic_macro;