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| author | Ralf Jung <post@ralfj.de> | 2023-09-24 23:30:09 +0200 |
|---|---|---|
| committer | Ralf Jung <post@ralfj.de> | 2023-09-24 23:32:36 +0200 |
| commit | 4f86c69184adc53051a97c658ba9f691665799f5 (patch) | |
| tree | 77ef5bc8d3564fd8301ae6582dc92237a751366a /compiler/rustc_resolve/src | |
| parent | 19c65022fc1ad9cc3d3dcf50a0bdf50e4ab572ab (diff) | |
| download | rust-4f86c69184adc53051a97c658ba9f691665799f5.tar.gz rust-4f86c69184adc53051a97c658ba9f691665799f5.zip | |
fix ICE due to empty span and empty suggestions
Diffstat (limited to 'compiler/rustc_resolve/src')
| -rw-r--r-- | compiler/rustc_resolve/src/diagnostics.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 9b7fd76d103..907a6b1c46c 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -2596,7 +2596,9 @@ fn show_candidates( ); if let [first, .., last] = &path[..] { let sp = first.ident.span.until(last.ident.span); - if sp.can_be_used_for_suggestions() { + // Our suggestion is empty, so make sure the span is not empty (or we'd ICE). + // Can happen for derive-generated spans. + if sp.can_be_used_for_suggestions() && !sp.is_empty() { err.span_suggestion_verbose( sp, format!("if you import `{}`, refer to it directly", last.ident), |