Auto merge of #102192 - matthiaskrgr:rollup-0ctjzco, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #102094 (Add missing documentation for `bool::from_str`)
 - #102115 (Add examples to `bool::then` and `bool::then_some`)
 - #102134 (Detect panic strategy using `rustc --print cfg`)
 - #102137 (Don't convert valtree to constvalue during normalization)
 - #102148 (add regression test for miri issue 2433)
 - #102158 (rustdoc: clean up CSS/DOM for deprecation warnings)
 - #102177 (Fix a typo in `std`'s root docs)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

55 files changed, 12 insertions, 97 deletions

diff --git a/src/test/ui/async-await/async-fn-size-moved-locals.rs b/src/test/ui/async-await/async-fn-size-moved-locals.rs
index 9e3794b0484..79b7239f359 100644
--- a/src/test/ui/async-await/async-fn-size-moved-locals.rs
+++ b/src/test/ui/async-await/async-fn-size-moved-locals.rs
@@ -7,7 +7,6 @@
 //
 // See issue #59123 for a full explanation.
 
-// ignore-emscripten (sizes don't match)
 // needs-unwind Size of Futures change on panic=abort
 // run-pass
 
diff --git a/src/test/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-panic.rs b/src/test/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-panic.rs
index 5e71229beb5..b4ea4c9f686 100644
--- a/src/test/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-panic.rs
+++ b/src/test/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-panic.rs
@@ -6,7 +6,6 @@
 // error-pattern: thread 'main' panicked at '`async fn` resumed after panicking'
 // edition:2018
 // ignore-wasm no panic or subprocess support
-// ignore-emscripten no panic or subprocess support
 
 #![feature(generators, generator_trait)]
 
diff --git a/src/test/ui/binding/fn-arg-incomplete-pattern-drop-order.rs b/src/test/ui/binding/fn-arg-incomplete-pattern-drop-order.rs
index 684172ca61c..0450fe8abbd 100644
--- a/src/test/ui/binding/fn-arg-incomplete-pattern-drop-order.rs
+++ b/src/test/ui/binding/fn-arg-incomplete-pattern-drop-order.rs
@@ -3,7 +3,6 @@
 // Check that partially moved from function parameters are dropped after the
 // named bindings that move from them.
 
-// ignore-wasm32-bare compiled with panic=abort by default
 
 use std::{panic, cell::RefCell};
 
diff --git a/src/test/ui/builtin-clone-unwind.rs b/src/test/ui/builtin-clone-unwind.rs
index 3623c4a4dd0..16add6ff2f6 100644
--- a/src/test/ui/builtin-clone-unwind.rs
+++ b/src/test/ui/builtin-clone-unwind.rs
@@ -3,7 +3,6 @@
 
 #![allow(unused_variables)]
 #![allow(unused_imports)]
-// ignore-wasm32-bare compiled with panic=abort by default
 
 // Test that builtin implementations of `Clone` cleanup everything
 // in case of unwinding.
diff --git a/src/test/ui/catch-unwind-bang.rs b/src/test/ui/catch-unwind-bang.rs
index b31b5cab5b7..fb3503937cb 100644
--- a/src/test/ui/catch-unwind-bang.rs
+++ b/src/test/ui/catch-unwind-bang.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 fn worker() -> ! {
     panic!()
diff --git a/src/test/ui/cfg/cfg-panic.rs b/src/test/ui/cfg/cfg-panic.rs
index fb3e5059c81..2de72d54a48 100644
--- a/src/test/ui/cfg/cfg-panic.rs
+++ b/src/test/ui/cfg/cfg-panic.rs
@@ -1,9 +1,6 @@
 // build-pass
 // compile-flags: -C panic=unwind
 // needs-unwind
-// ignore-emscripten no panic_unwind implementation
-// ignore-wasm32     no panic_unwind implementation
-// ignore-wasm64     no panic_unwind implementation
 
 
 #[cfg(panic = "abort")]
diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.fixed b/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.fixed
index 89f3931418d..ff2244a8e31 100644
--- a/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.fixed
+++ b/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.fixed
@@ -3,7 +3,6 @@
 
 #![deny(rust_2021_incompatible_closure_captures)]
 //~^ NOTE: the lint level is defined here
-// ignore-wasm32-bare compiled with panic=abort by default
 #![feature(fn_traits)]
 #![feature(never_type)]
 
diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.rs b/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.rs
index 6b0b1052174..52e96d013a2 100644
--- a/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.rs
+++ b/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.rs
@@ -3,7 +3,6 @@
 
 #![deny(rust_2021_incompatible_closure_captures)]
 //~^ NOTE: the lint level is defined here
-// ignore-wasm32-bare compiled with panic=abort by default
 #![feature(fn_traits)]
 #![feature(never_type)]
 
diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.stderr b/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.stderr
index 2648b00435b..62cfcbe95bc 100644
--- a/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.stderr
+++ b/src/test/ui/closures/2229_closure_analysis/migrations/mir_calls_to_shims.stderr
@@ -1,5 +1,5 @@
 error: changes to closure capture in Rust 2021 will affect which traits the closure implements
-  --> $DIR/mir_calls_to_shims.rs:21:38
+  --> $DIR/mir_calls_to_shims.rs:20:38
    |
 LL |     let result = panic::catch_unwind(move || {
    |                                      ^^^^^^^
diff --git a/src/test/ui/drop/dynamic-drop-async.rs b/src/test/ui/drop/dynamic-drop-async.rs
index 13bd71ecb33..8f1cc6691cd 100644
--- a/src/test/ui/drop/dynamic-drop-async.rs
+++ b/src/test/ui/drop/dynamic-drop-async.rs
@@ -6,7 +6,6 @@
 // run-pass
 // needs-unwind
 // edition:2018
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![allow(unused)]
 
diff --git a/src/test/ui/drop/dynamic-drop.rs b/src/test/ui/drop/dynamic-drop.rs
index e7068677423..9e51d3adaaa 100644
--- a/src/test/ui/drop/dynamic-drop.rs
+++ b/src/test/ui/drop/dynamic-drop.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![feature(generators, generator_trait)]
 
diff --git a/src/test/ui/drop/repeat-drop.rs b/src/test/ui/drop/repeat-drop.rs
index a43612e5d85..8fd46ecaf44 100644
--- a/src/test/ui/drop/repeat-drop.rs
+++ b/src/test/ui/drop/repeat-drop.rs
@@ -1,8 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare no unwinding panic
-// ignore-avr no unwinding panic
-// ignore-nvptx64 no unwinding panic
 
 static mut CHECK: usize = 0;
 
diff --git a/src/test/ui/extern-flag/empty-extern-arg.rs b/src/test/ui/extern-flag/empty-extern-arg.rs
index 3170537b0e0..2f4ae7d8e70 100644
--- a/src/test/ui/extern-flag/empty-extern-arg.rs
+++ b/src/test/ui/extern-flag/empty-extern-arg.rs
@@ -1,6 +1,6 @@
 // compile-flags: --extern std=
 // error-pattern: extern location for std does not exist
 // needs-unwind since it affects the error output
-// ignore-emscripten compiled with panic=abort, personality not required
+// ignore-emscripten missing eh_catch_typeinfo lang item
 
 fn main() {}
diff --git a/src/test/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.rs b/src/test/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.rs
index 7a91cbdc2f5..233120c92f3 100644
--- a/src/test/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.rs
+++ b/src/test/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // ignore-emscripten no threads support
 
 // rust-lang/rust#64655: with panic=unwind, a panic from a subroutine
diff --git a/src/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs b/src/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs
index e84ff41b344..3b263e58cbe 100644
--- a/src/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs
+++ b/src/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // ignore-emscripten no threads support
 
 // rust-lang/rust#64655: with panic=unwind, a panic from a subroutine
diff --git a/src/test/ui/generator/panic-drops-resume.rs b/src/test/ui/generator/panic-drops-resume.rs
index 8d8eb6a97b1..4c3caeb14d6 100644
--- a/src/test/ui/generator/panic-drops-resume.rs
+++ b/src/test/ui/generator/panic-drops-resume.rs
@@ -2,8 +2,6 @@
 
 // run-pass
 // needs-unwind
-// ignore-wasm       no unwind support
-// ignore-emscripten no unwind support
 
 #![feature(generators, generator_trait)]
 
diff --git a/src/test/ui/generator/panic-drops.rs b/src/test/ui/generator/panic-drops.rs
index a9de4e7fc7d..65001fd879b 100644
--- a/src/test/ui/generator/panic-drops.rs
+++ b/src/test/ui/generator/panic-drops.rs
@@ -1,7 +1,6 @@
 // run-pass
 // needs-unwind
 
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![feature(generators, generator_trait)]
 
diff --git a/src/test/ui/generator/panic-safe.rs b/src/test/ui/generator/panic-safe.rs
index 14a0c8dbaf1..3db80bb5821 100644
--- a/src/test/ui/generator/panic-safe.rs
+++ b/src/test/ui/generator/panic-safe.rs
@@ -1,7 +1,6 @@
 // run-pass
 // needs-unwind
 
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![feature(generators, generator_trait)]
 
diff --git a/src/test/ui/generator/resume-after-return.rs b/src/test/ui/generator/resume-after-return.rs
index 538609b981a..01a059a161c 100644
--- a/src/test/ui/generator/resume-after-return.rs
+++ b/src/test/ui/generator/resume-after-return.rs
@@ -1,7 +1,6 @@
 // run-pass
 // needs-unwind
 
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![feature(generators, generator_trait)]
 
diff --git a/src/test/ui/intrinsics/panic-uninitialized-zeroed.rs b/src/test/ui/intrinsics/panic-uninitialized-zeroed.rs
index 255151a9603..4aa869cca35 100644
--- a/src/test/ui/intrinsics/panic-uninitialized-zeroed.rs
+++ b/src/test/ui/intrinsics/panic-uninitialized-zeroed.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // revisions: mir thir strict
 // [thir]compile-flags: -Zthir-unsafeck
 // [strict]compile-flags: -Zstrict-init-checks
diff --git a/src/test/ui/issues/issue-14875.rs b/src/test/ui/issues/issue-14875.rs
index aaef2aab9fc..fca3309155d 100644
--- a/src/test/ui/issues/issue-14875.rs
+++ b/src/test/ui/issues/issue-14875.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 // Check that values are not leaked when a dtor panics (#14875)
 
diff --git a/src/test/ui/issues/issue-29948.rs b/src/test/ui/issues/issue-29948.rs
index 01c3ec64861..3ed701480b5 100644
--- a/src/test/ui/issues/issue-29948.rs
+++ b/src/test/ui/issues/issue-29948.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 use std::panic;
 
diff --git a/src/test/ui/issues/issue-43853.rs b/src/test/ui/issues/issue-43853.rs
index 3162c091c87..dd42c1e3cb8 100644
--- a/src/test/ui/issues/issue-43853.rs
+++ b/src/test/ui/issues/issue-43853.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 use std::panic;
 
diff --git a/src/test/ui/issues/issue-46519.rs b/src/test/ui/issues/issue-46519.rs
index 9bd3c094851..0567923b7fc 100644
--- a/src/test/ui/issues/issue-46519.rs
+++ b/src/test/ui/issues/issue-46519.rs
@@ -2,7 +2,6 @@
 // compile-flags:--test -O
 
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #[test]
 #[should_panic(expected = "creating inhabited type")]
diff --git a/src/test/ui/iterators/iter-count-overflow-debug.rs b/src/test/ui/iterators/iter-count-overflow-debug.rs
index 15f25f1ca53..8e59c11e9dc 100644
--- a/src/test/ui/iterators/iter-count-overflow-debug.rs
+++ b/src/test/ui/iterators/iter-count-overflow-debug.rs
@@ -1,7 +1,6 @@
 // run-pass
 // only-32bit too impatient for 2⁶⁴ items
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // compile-flags: -C debug_assertions=yes -C opt-level=3
 
 use std::panic;
diff --git a/src/test/ui/iterators/iter-position-overflow-debug.rs b/src/test/ui/iterators/iter-position-overflow-debug.rs
index 65124c28241..7a871e744c9 100644
--- a/src/test/ui/iterators/iter-position-overflow-debug.rs
+++ b/src/test/ui/iterators/iter-position-overflow-debug.rs
@@ -1,7 +1,6 @@
 // run-pass
 // only-32bit too impatient for 2⁶⁴ items
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // compile-flags: -C debug_assertions=yes -C opt-level=3
 
 use std::panic;
diff --git a/src/test/ui/iterators/iter-step-overflow-debug.rs b/src/test/ui/iterators/iter-step-overflow-debug.rs
index e16f984de79..6aa349ebed2 100644
--- a/src/test/ui/iterators/iter-step-overflow-debug.rs
+++ b/src/test/ui/iterators/iter-step-overflow-debug.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // compile-flags: -C debug_assertions=yes
 
 use std::panic;
diff --git a/src/test/ui/iterators/iter-sum-overflow-debug.rs b/src/test/ui/iterators/iter-sum-overflow-debug.rs
index d8ce43848a7..24c764ff958 100644
--- a/src/test/ui/iterators/iter-sum-overflow-debug.rs
+++ b/src/test/ui/iterators/iter-sum-overflow-debug.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // compile-flags: -C debug_assertions=yes
 
 use std::panic;
diff --git a/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs b/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs
index bc8dcbdbb0e..be45c075d73 100644
--- a/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs
+++ b/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // compile-flags: -C overflow-checks
 
 use std::panic;
diff --git a/src/test/ui/macros/macro-comma-behavior-rpass.rs b/src/test/ui/macros/macro-comma-behavior-rpass.rs
index dfd58b25d08..8406b4e78f6 100644
--- a/src/test/ui/macros/macro-comma-behavior-rpass.rs
+++ b/src/test/ui/macros/macro-comma-behavior-rpass.rs
@@ -14,7 +14,6 @@
 // compile-flags: --test -C debug_assertions=yes
 // revisions: std core
 
-// ignore-wasm32-bare compiled with panic=abort by default
 #![cfg_attr(core, no_std)]
 
 #[cfg(core)]
diff --git a/src/test/ui/mir/mir_calls_to_shims.rs b/src/test/ui/mir/mir_calls_to_shims.rs
index 42eaab77da9..9dc0acfbfda 100644
--- a/src/test/ui/mir/mir_calls_to_shims.rs
+++ b/src/test/ui/mir/mir_calls_to_shims.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![feature(fn_traits)]
 #![feature(never_type)]
diff --git a/src/test/ui/mir/mir_codegen_calls_diverging_drops.rs b/src/test/ui/mir/mir_codegen_calls_diverging_drops.rs
index 3d215610593..19dba497001 100644
--- a/src/test/ui/mir/mir_codegen_calls_diverging_drops.rs
+++ b/src/test/ui/mir/mir_codegen_calls_diverging_drops.rs
@@ -1,7 +1,6 @@
 // run-fail
 // error-pattern:diverging_fn called
 // error-pattern:0 dropped
-// ignore-emscripten no processes
 // needs-unwind this test checks that a destructor is called after panicking
 
 struct Droppable(u8);
diff --git a/src/test/ui/mir/mir_drop_order.rs b/src/test/ui/mir/mir_drop_order.rs
index 853efb0fed2..75f5b171af3 100644
--- a/src/test/ui/mir/mir_drop_order.rs
+++ b/src/test/ui/mir/mir_drop_order.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 use std::cell::RefCell;
 use std::panic;
diff --git a/src/test/ui/mir/mir_drop_panics.rs b/src/test/ui/mir/mir_drop_panics.rs
index b4093d70415..0d00426d6d2 100644
--- a/src/test/ui/mir/mir_drop_panics.rs
+++ b/src/test/ui/mir/mir_drop_panics.rs
@@ -2,7 +2,6 @@
 // needs-unwind
 // error-pattern:panic 1
 // error-pattern:drop 2
-// ignore-emscripten no processes
 
 struct Droppable(u32);
 impl Drop for Droppable {
diff --git a/src/test/ui/mir/mir_let_chains_drop_order.rs b/src/test/ui/mir/mir_let_chains_drop_order.rs
index 6498a519571..536a84a352a 100644
--- a/src/test/ui/mir/mir_let_chains_drop_order.rs
+++ b/src/test/ui/mir/mir_let_chains_drop_order.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 // See `mir_drop_order.rs` for more information
 
diff --git a/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs b/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs
index f857d4f4c7f..79d78da3328 100644
--- a/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs
+++ b/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs
@@ -1,7 +1,6 @@
 // run-pass
 // compile-flags: -C debug_assertions=yes
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // ignore-emscripten dies with an LLVM error
 
 use std::panic;
diff --git a/src/test/ui/panic-handler/weak-lang-item.rs b/src/test/ui/panic-handler/weak-lang-item.rs
index df31e614cf8..14a07a9ef1b 100644
--- a/src/test/ui/panic-handler/weak-lang-item.rs
+++ b/src/test/ui/panic-handler/weak-lang-item.rs
@@ -2,7 +2,7 @@
 // error-pattern: `#[panic_handler]` function required, but not found
 // error-pattern: language item required, but not found: `eh_personality`
 // needs-unwind since it affects the error output
-// ignore-emscripten compiled with panic=abort, personality not required
+// ignore-emscripten missing eh_catch_typeinfo lang item
 
 #![no_std]
 
diff --git a/src/test/ui/panic-runtime/need-abort-got-unwind.rs b/src/test/ui/panic-runtime/need-abort-got-unwind.rs
index c72fb96e357..e92400931d2 100644
--- a/src/test/ui/panic-runtime/need-abort-got-unwind.rs
+++ b/src/test/ui/panic-runtime/need-abort-got-unwind.rs
@@ -2,7 +2,6 @@
 // needs-unwind
 // error-pattern:is incompatible with this crate's strategy of `unwind`
 // aux-build:needs-abort.rs
-// ignore-wasm32-bare compiled with panic=abort by default
 
 extern crate needs_abort;
 
diff --git a/src/test/ui/panic-runtime/transitive-link-a-bunch.rs b/src/test/ui/panic-runtime/transitive-link-a-bunch.rs
index 622535a75af..0e74e300f00 100644
--- a/src/test/ui/panic-runtime/transitive-link-a-bunch.rs
+++ b/src/test/ui/panic-runtime/transitive-link-a-bunch.rs
@@ -6,7 +6,6 @@
 // aux-build:wants-panic-runtime-abort.rs
 // aux-build:panic-runtime-lang-items.rs
 // error-pattern: is not compiled with this crate's panic strategy `unwind`
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![no_std]
 #![no_main]
diff --git a/src/test/ui/panic-runtime/want-unwind-got-abort.rs b/src/test/ui/panic-runtime/want-unwind-got-abort.rs
index 23bfea6af15..b6174dc4efe 100644
--- a/src/test/ui/panic-runtime/want-unwind-got-abort.rs
+++ b/src/test/ui/panic-runtime/want-unwind-got-abort.rs
@@ -3,7 +3,6 @@
 // error-pattern:is not compiled with this crate's panic strategy `unwind`
 // aux-build:panic-runtime-abort.rs
 // aux-build:panic-runtime-lang-items.rs
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![no_std]
 #![no_main]
diff --git a/src/test/ui/panic-runtime/want-unwind-got-abort2.rs b/src/test/ui/panic-runtime/want-unwind-got-abort2.rs
index 7a2e48e2f10..b54babbeffa 100644
--- a/src/test/ui/panic-runtime/want-unwind-got-abort2.rs
+++ b/src/test/ui/panic-runtime/want-unwind-got-abort2.rs
@@ -4,7 +4,6 @@
 // aux-build:panic-runtime-abort.rs
 // aux-build:wants-panic-runtime-abort.rs
 // aux-build:panic-runtime-lang-items.rs
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![no_std]
 #![no_main]
diff --git a/src/test/ui/panic-while-printing.rs b/src/test/ui/panic-while-printing.rs
index 098f54ac23f..3abedf2a764 100644
--- a/src/test/ui/panic-while-printing.rs
+++ b/src/test/ui/panic-while-printing.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-emscripten no subprocess support
 
 #![feature(internal_output_capture)]
 
diff --git a/src/test/ui/privacy/reachable-unnameable-items.rs b/src/test/ui/privacy/reachable-unnameable-items.rs
index 1c91541e642..1babe011996 100644
--- a/src/test/ui/privacy/reachable-unnameable-items.rs
+++ b/src/test/ui/privacy/reachable-unnameable-items.rs
@@ -1,5 +1,4 @@
 // run-pass
-// ignore-wasm32-bare compiled with panic=abort by default
 // needs-unwind
 // aux-build:reachable-unnameable-items.rs
 
diff --git a/src/test/ui/proc-macro/expand-with-a-macro.rs b/src/test/ui/proc-macro/expand-with-a-macro.rs
index 21a4547d11e..042a2836595 100644
--- a/src/test/ui/proc-macro/expand-with-a-macro.rs
+++ b/src/test/ui/proc-macro/expand-with-a-macro.rs
@@ -2,7 +2,6 @@
 // needs-unwind
 // aux-build:expand-with-a-macro.rs
 
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![deny(warnings)]
 
diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test.rs
index cd57d9bca94..43888ceceda 100644
--- a/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test.rs
+++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test.rs
@@ -2,7 +2,6 @@
 // run-pass
 // needs-unwind
 
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![feature(test)]
 
diff --git a/src/test/ui/rfc-2091-track-caller/std-panic-locations.rs b/src/test/ui/rfc-2091-track-caller/std-panic-locations.rs
index b067994a5c6..f11456250d8 100644
--- a/src/test/ui/rfc-2091-track-caller/std-panic-locations.rs
+++ b/src/test/ui/rfc-2091-track-caller/std-panic-locations.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // revisions: default mir-opt
 //[mir-opt] compile-flags: -Zmir-opt-level=4
 
diff --git a/src/test/ui/rfcs/rfc1857-drop-order.rs b/src/test/ui/rfcs/rfc1857-drop-order.rs
index 243b7fb6fad..4c4816c2fbc 100644
--- a/src/test/ui/rfcs/rfc1857-drop-order.rs
+++ b/src/test/ui/rfcs/rfc1857-drop-order.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![allow(dead_code, unreachable_code)]
 
diff --git a/src/test/ui/runtime/rt-explody-panic-payloads.rs b/src/test/ui/runtime/rt-explody-panic-payloads.rs
index eb5bf8f67a8..e2221e5df8e 100644
--- a/src/test/ui/runtime/rt-explody-panic-payloads.rs
+++ b/src/test/ui/runtime/rt-explody-panic-payloads.rs
@@ -2,9 +2,6 @@
 // needs-unwind
 // ignore-emscripten no processes
 // ignore-sgx no processes
-// ignore-wasm32-bare no unwinding panic
-// ignore-avr no unwinding panic
-// ignore-nvptx64 no unwinding panic
 
 use std::env;
 use std::process::Command;
diff --git a/src/test/ui/test-attrs/test-panic-while-printing.rs b/src/test/ui/test-attrs/test-panic-while-printing.rs
index 01e460da5ab..033c8beb475 100644
--- a/src/test/ui/test-attrs/test-panic-while-printing.rs
+++ b/src/test/ui/test-attrs/test-panic-while-printing.rs
@@ -1,7 +1,6 @@
 // compile-flags:--test
 // run-pass
 // needs-unwind
-// ignore-emscripten no subprocess support
 
 use std::fmt;
 use std::fmt::{Display, Formatter};
diff --git a/src/test/ui/test-attrs/test-should-fail-good-message.rs b/src/test/ui/test-attrs/test-should-fail-good-message.rs
index 3260b6938f0..83519c4524a 100644
--- a/src/test/ui/test-attrs/test-should-fail-good-message.rs
+++ b/src/test/ui/test-attrs/test-should-fail-good-message.rs
@@ -1,6 +1,5 @@
 // run-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 // compile-flags: --test
 #[test]
 #[should_panic(expected = "foo")]
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs b/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs
index 354abf99d4d..52aa4bb3101 100644
--- a/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs
@@ -24,10 +24,6 @@ mod assert {
             Src,
             Context,
             { from_options(ASSUME_ALIGNMENT, ASSUME_LIFETIMES, ASSUME_SAFETY, ASSUME_VALIDITY) }
-            //~^ ERROR E0080
-            //~| ERROR E0080
-            //~| ERROR E0080
-            //~| ERROR E0080
         >,
     {}
 
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.stderr b/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.stderr
index a258f2ecea6..c6d93876cfa 100644
--- a/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.stderr
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.stderr
@@ -1,52 +1,27 @@
 error[E0308]: mismatched types
-  --> $DIR/wrong-type-assume.rs:53:51
+  --> $DIR/wrong-type-assume.rs:49:51
    |
 LL |     assert::is_transmutable::<Src, Dst, Context, {0u8}, false, false, false>();
    |                                                   ^^^ expected `bool`, found `u8`
 
-error[E0080]: evaluation of `assert::is_transmutable::<test::Src, test::Dst, test::Context, {0u8}, false, false, false>::{constant#0}` failed
-  --> $DIR/wrong-type-assume.rs:26:15
-   |
-LL |             { from_options(ASSUME_ALIGNMENT, ASSUME_LIFETIMES, ASSUME_SAFETY, ASSUME_VALIDITY) }
-   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ referenced constant has errors
-
 error[E0308]: mismatched types
-  --> $DIR/wrong-type-assume.rs:54:58
+  --> $DIR/wrong-type-assume.rs:50:58
    |
 LL |     assert::is_transmutable::<Src, Dst, Context, false, {0u8}, false, false>();
    |                                                          ^^^ expected `bool`, found `u8`
 
-error[E0080]: evaluation of `assert::is_transmutable::<test::Src, test::Dst, test::Context, false, {0u8}, false, false>::{constant#0}` failed
-  --> $DIR/wrong-type-assume.rs:26:15
-   |
-LL |             { from_options(ASSUME_ALIGNMENT, ASSUME_LIFETIMES, ASSUME_SAFETY, ASSUME_VALIDITY) }
-   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ referenced constant has errors
-
 error[E0308]: mismatched types
-  --> $DIR/wrong-type-assume.rs:55:65
+  --> $DIR/wrong-type-assume.rs:51:65
    |
 LL |     assert::is_transmutable::<Src, Dst, Context, false, false, {0u8}, false>();
    |                                                                 ^^^ expected `bool`, found `u8`
 
-error[E0080]: evaluation of `assert::is_transmutable::<test::Src, test::Dst, test::Context, false, false, {0u8}, false>::{constant#0}` failed
-  --> $DIR/wrong-type-assume.rs:26:15
-   |
-LL |             { from_options(ASSUME_ALIGNMENT, ASSUME_LIFETIMES, ASSUME_SAFETY, ASSUME_VALIDITY) }
-   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ referenced constant has errors
-
 error[E0308]: mismatched types
-  --> $DIR/wrong-type-assume.rs:56:72
+  --> $DIR/wrong-type-assume.rs:52:72
    |
 LL |     assert::is_transmutable::<Src, Dst, Context, false, false, false, {0u8}>();
    |                                                                        ^^^ expected `bool`, found `u8`
 
-error[E0080]: evaluation of `assert::is_transmutable::<test::Src, test::Dst, test::Context, false, false, false, {0u8}>::{constant#0}` failed
-  --> $DIR/wrong-type-assume.rs:26:15
-   |
-LL |             { from_options(ASSUME_ALIGNMENT, ASSUME_LIFETIMES, ASSUME_SAFETY, ASSUME_VALIDITY) }
-   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ referenced constant has errors
-
-error: aborting due to 8 previous errors
+error: aborting due to 4 previous errors
 
-Some errors have detailed explanations: E0080, E0308.
-For more information about an error, try `rustc --explain E0080`.
+For more information about this error, try `rustc --explain E0308`.
diff --git a/src/test/ui/unwind-abis/ffi-unwind-calls-lint.rs b/src/test/ui/unwind-abis/ffi-unwind-calls-lint.rs
index dadf4b12187..9a324f00435 100644
--- a/src/test/ui/unwind-abis/ffi-unwind-calls-lint.rs
+++ b/src/test/ui/unwind-abis/ffi-unwind-calls-lint.rs
@@ -1,6 +1,5 @@
 // build-pass
 // needs-unwind
-// ignore-wasm32-bare compiled with panic=abort by default
 
 #![feature(c_unwind)]
 #![warn(ffi_unwind_calls)]
diff --git a/src/test/ui/unwind-abis/ffi-unwind-calls-lint.stderr b/src/test/ui/unwind-abis/ffi-unwind-calls-lint.stderr
index ed41cb74623..937a2b3dff8 100644
--- a/src/test/ui/unwind-abis/ffi-unwind-calls-lint.stderr
+++ b/src/test/ui/unwind-abis/ffi-unwind-calls-lint.stderr
@@ -1,17 +1,17 @@
 warning: call to foreign function with FFI-unwind ABI
-  --> $DIR/ffi-unwind-calls-lint.rs:21:14
+  --> $DIR/ffi-unwind-calls-lint.rs:20:14
    |
 LL |     unsafe { foo(); }
    |              ^^^^^ call to foreign function with FFI-unwind ABI
    |
 note: the lint level is defined here
-  --> $DIR/ffi-unwind-calls-lint.rs:6:9
+  --> $DIR/ffi-unwind-calls-lint.rs:5:9
    |
 LL | #![warn(ffi_unwind_calls)]
    |         ^^^^^^^^^^^^^^^^
 
 warning: call to function pointer with FFI-unwind ABI
-  --> $DIR/ffi-unwind-calls-lint.rs:25:5
+  --> $DIR/ffi-unwind-calls-lint.rs:24:5
    |
 LL |     ptr();
    |     ^^^^^ call to function pointer with FFI-unwind ABI
diff --git a/src/test/ui/unwind-no-uwtable.rs b/src/test/ui/unwind-no-uwtable.rs
index 0440cf488e8..3bc309233a7 100644
--- a/src/test/ui/unwind-no-uwtable.rs
+++ b/src/test/ui/unwind-no-uwtable.rs
@@ -1,7 +1,6 @@
 // run-pass
 // needs-unwind
 // ignore-windows target requires uwtable
-// ignore-wasm32-bare no proper panic=unwind support
 // compile-flags: -C panic=unwind -C force-unwind-tables=n
 
 use std::panic::{self, AssertUnwindSafe};