From dddfb7db24e66891fec9f2abf2ac1477985f36ad Mon Sep 17 00:00:00 2001 From: hanar3 Date: Wed, 14 Sep 2022 12:19:42 -0300 Subject: [PATCH] Improve error message for unsupported crate --- compiler/rustc_middle/src/ty/query.rs | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_middle/src/ty/query.rs b/compiler/rustc_middle/src/ty/query.rs index 5665bb866d4..d69c28cfda2 100644 --- a/compiler/rustc_middle/src/ty/query.rs +++ b/compiler/rustc_middle/src/ty/query.rs @@ -275,10 +275,11 @@ macro_rules! define_callbacks { fn default() -> Self { Providers { $($name: |_, key| bug!( - "`tcx.{}({:?})` unsupported by its crate; \ - perhaps the `{}` query was never assigned a provider function", + "`tcx.{}({:?})` unsupported for {} crate; \ + perhaps the `{}` query was never assigned a provider function. Queries can be either made to the local crate, or the external crate. This error means you tried to use it for one that's not supported.", stringify!($name), key, + if key.query_crate_is_local() { "local" } : { "external" } , stringify!($name), ),)* }