Fix up tests on wasm32-wasip1

Can be fixed properly later by adding a new flag for non-exhaustive line annotation checking

Author: petrochenkov

Diff for: tests/ui/cfg/cfg_false_no_std-2.rs

@@ -1,5 +1,7 @@
 // Error, the linked empty library is `no_std` and doesn't provide a panic handler.
 
+//@ compile-flags: --error-format=human
+//@ error-pattern: `#[panic_handler]` function required, but not found
 //@ dont-check-compiler-stderr
 //@ aux-build: cfg_false_lib_no_std_before.rs
 
@@ -9,5 +11,6 @@ extern crate cfg_false_lib_no_std_before as _;
 
 fn main() {}
 
-//~? ERROR `#[panic_handler]` function required, but not found
-//~? ERROR unwinding panics are not supported without std
+// FIXME: The second error is target-dependent.
+//FIXME~? ERROR `#[panic_handler]` function required, but not found
+//FIXME~? ERROR unwinding panics are not supported without std

Diff for: tests/ui/panic-runtime/two-panic-runtimes.rs

@@ -1,4 +1,7 @@
+// ignore-tidy-linelength
 //@ build-fail
+//@ compile-flags: --error-format=human
+//@ error-pattern: cannot link together two panic runtimes: panic_runtime_unwind and panic_runtime_unwind2
 //@ dont-check-compiler-stderr
 //@ aux-build:panic-runtime-unwind.rs
 //@ aux-build:panic-runtime-unwind2.rs
@@ -13,4 +16,7 @@ extern crate panic_runtime_lang_items;
 
 fn main() {}
 
-//~? ERROR cannot link together two panic runtimes: panic_runtime_unwind and panic_runtime_unwind2
+// FIXME: The second and third errors are target-dependent.
+//FIXME~? ERROR cannot link together two panic runtimes: panic_runtime_unwind and panic_runtime_unwind2
+//FIXME~? ERROR the linked panic runtime `panic_runtime_unwind2` is not compiled with this crate's panic strategy `abort`
+//FIXME~? ERROR the crate `panic_runtime_unwind` requires panic strategy `unwind` which is incompatible with this crate's strategy of `abort`

Diff for: tests/ui/panic-runtime/want-abort-got-unwind.rs

@@ -1,4 +1,7 @@
+// ignore-tidy-linelength
 //@ build-fail
+//@ compile-flags: --error-format=human
+//@ error-pattern: the linked panic runtime `panic_runtime_unwind` is not compiled with this crate's panic strategy `abort`
 //@ dont-check-compiler-stderr
 //@ aux-build:panic-runtime-unwind.rs
 //@ compile-flags:-C panic=abort
@@ -7,6 +10,7 @@ extern crate panic_runtime_unwind;
 
 fn main() {}
 
-//~? ERROR cannot link together two panic runtimes: panic_unwind and panic_runtime_unwind
-//~? ERROR the linked panic runtime `panic_runtime_unwind` is not compiled with this crate's panic strategy `abort`
-//~? ERROR the crate `panic_unwind` requires panic strategy `unwind` which is incompatible with this crate's strategy of `abort`
+// FIXME: The first and third errors are target-dependent.
+//FIXME~? ERROR cannot link together two panic runtimes: panic_unwind and panic_runtime_unwind
+//FIXME~? ERROR the linked panic runtime `panic_runtime_unwind` is not compiled with this crate's panic strategy `abort`
+//FIXME~? ERROR the crate `panic_unwind` requires panic strategy `unwind` which is incompatible with this crate's strategy of `abort`

Diff for: tests/ui/panic-runtime/want-abort-got-unwind2.rs

@@ -1,4 +1,7 @@
+// ignore-tidy-linelength
 //@ build-fail
+//@ compile-flags: --error-format=human
+//@ error-pattern: the linked panic runtime `panic_runtime_unwind` is not compiled with this crate's panic strategy `abort`
 //@ dont-check-compiler-stderr
 //@ aux-build:panic-runtime-unwind.rs
 //@ aux-build:wants-panic-runtime-unwind.rs
@@ -8,6 +11,7 @@ extern crate wants_panic_runtime_unwind;
 
 fn main() {}
 
-//~? ERROR cannot link together two panic runtimes: panic_unwind and panic_runtime_unwind
-//~? ERROR the linked panic runtime `panic_runtime_unwind` is not compiled with this crate's panic strategy `abort`
-//~? ERROR the crate `panic_unwind` requires panic strategy `unwind` which is incompatible with this crate's strategy of `abort`
+// FIXME: The first and third errors are target-dependent.
+//FIXME~? ERROR cannot link together two panic runtimes: panic_unwind and panic_runtime_unwind
+//FIXME~? ERROR the linked panic runtime `panic_runtime_unwind` is not compiled with this crate's panic strategy `abort`
+//FIXME~? ERROR the crate `panic_unwind` requires panic strategy `unwind` which is incompatible with this crate's strategy of `abort`