diff options
Diffstat (limited to 'compiler/rustc_errors/src/emitter.rs')
| -rw-r--r-- | compiler/rustc_errors/src/emitter.rs | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs index 21255fcca96..fe01e289334 100644 --- a/compiler/rustc_errors/src/emitter.rs +++ b/compiler/rustc_errors/src/emitter.rs @@ -297,7 +297,9 @@ pub trait Emitter: Translate { // are some which do actually involve macros. ExpnKind::Desugaring(..) | ExpnKind::AstPass(..) => None, - ExpnKind::Macro(macro_kind, name) => Some((macro_kind, name)), + ExpnKind::Macro(macro_kind, name) => { + Some((macro_kind, name, expn_data.hide_backtrace)) + } } }) .collect(); @@ -309,13 +311,17 @@ pub trait Emitter: Translate { self.render_multispans_macro_backtrace(span, children, backtrace); if !backtrace { - if let Some((macro_kind, name)) = has_macro_spans.first() { + // Skip builtin macros, as their expansion isn't relevant to the end user. This includes + // actual intrinsics, like `asm!`. + if let Some((macro_kind, name, _)) = has_macro_spans.first() + && let Some((_, _, false)) = has_macro_spans.last() + { // Mark the actual macro this originates from - let and_then = if let Some((macro_kind, last_name)) = has_macro_spans.last() + let and_then = if let Some((macro_kind, last_name, _)) = has_macro_spans.last() && last_name != name { let descr = macro_kind.descr(); - format!(" which comes from the expansion of the {descr} `{last_name}`",) + format!(" which comes from the expansion of the {descr} `{last_name}`") } else { "".to_string() }; |