diff --git a/src/librustc_typeck/check/mod.rs b/src/librustc_typeck/check/mod.rs index 9b6772e2dbb21..43edb23504480 100644 --- a/src/librustc_typeck/check/mod.rs +++ b/src/librustc_typeck/check/mod.rs @@ -5154,6 +5154,7 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> { } else { None } { + self.set_tainted_by_errors(); // #53251 err.span_label(span, format!("expected {}", expected_text)).emit(); } diff --git a/src/test/ui/issue-53251.rs b/src/test/ui/issue-53251.rs new file mode 100644 index 0000000000000..aa9da744566f7 --- /dev/null +++ b/src/test/ui/issue-53251.rs @@ -0,0 +1,28 @@ +// Copyright 2018 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +struct S; + +impl S { + fn f() {} +} + +macro_rules! impl_add { + ($($n:ident)*) => { + $( + fn $n() { + S::f::(); + //~^ ERROR too many type parameters provided + } + )* + } +} + +impl_add!(a b); diff --git a/src/test/ui/issue-53251.stderr b/src/test/ui/issue-53251.stderr new file mode 100644 index 0000000000000..bf99e73f0d985 --- /dev/null +++ b/src/test/ui/issue-53251.stderr @@ -0,0 +1,17 @@ +error[E0601]: `main` function not found in crate `issue_53251` + | + = note: consider adding a `main` function to `$DIR/issue-53251.rs` + +error[E0087]: too many type parameters provided: expected at most 0 type parameters, found 1 type parameter + --> $DIR/issue-53251.rs:21:24 + | +LL | S::f::(); + | ^^^ expected 0 type parameters +... +LL | impl_add!(a b); + | --------------- in this macro invocation + +error: aborting due to 2 previous errors + +Some errors occurred: E0087, E0601. +For more information about an error, try `rustc --explain E0087`.