diff options
Diffstat (limited to 'compiler/rustc_errors/src/json.rs')
| -rw-r--r-- | compiler/rustc_errors/src/json.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/compiler/rustc_errors/src/json.rs b/compiler/rustc_errors/src/json.rs index af82d8092c2..764134d5335 100644 --- a/compiler/rustc_errors/src/json.rs +++ b/compiler/rustc_errors/src/json.rs @@ -135,7 +135,12 @@ impl Emitter for JsonEmitter { let data: Vec<FutureBreakageItem<'_>> = diags .into_iter() .map(|mut diag| { - if diag.level == crate::Level::Allow { + // Allowed or expected lints don't normally (by definition) emit a lint + // but future incompat lints are special and are emitted anyway. + // + // So to avoid ICEs and confused users we "upgrade" the lint level for + // those `FutureBreakageItem` to warn. + if matches!(diag.level, crate::Level::Allow | crate::Level::Expect(..)) { diag.level = crate::Level::Warning; } FutureBreakageItem { |