make test work cross-platform

Author: RalfJung

tests/fail/panic/thread_local_const_drop_panic.rs

@@ -1,4 +1,9 @@
 //@error-in-other-file: aborted execution
+// Backtraces vary wildly between platforms, we have to normalize away almost the entire thing.
+// Full backtraces avoid annoying empty line differences.
+//@compile-flags: -Zmiri-backtrace=full
+//@normalize-stderr-test: "'main'|'<unnamed>'" -> "$$NAME"
+//@normalize-stderr-test: ".*(note|-->|\|).*\n" -> ""
 
 pub struct NoisyDrop {}
 

tests/fail/panic/thread_local_const_drop_panic.stderr

@@ -1,26 +1,6 @@
-thread '<unnamed>' panicked at 'ow', $DIR/thread_local_const_drop_panic.rs:LL:CC
-note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
+thread $NAME panicked at 'ow', $DIR/thread_local_const_drop_panic.rs:LL:CC
 fatal runtime error: thread local panicked on drop
 error: abnormal termination: the program aborted execution
-  --> RUSTLIB/std/src/sys/PLATFORM/mod.rs:LL:CC
-   |
-LL |     unsafe { libc::abort() }
-   |              ^^^^^^^^^^^^^ the program aborted execution
-   |
-   = note: inside `std::sys::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/PLATFORM/mod.rs:LL:CC
-   = note: inside `<std::thread::local_impl::abort_on_dtor_unwind::DtorUnwindGuard as std::ops::Drop>::drop` at RUSTLIB/std/src/rt.rs:LL:CC
-   = note: inside `std::ptr::drop_in_place::<std::thread::local_impl::abort_on_dtor_unwind::DtorUnwindGuard> - shim(Some(std::thread::local_impl::abort_on_dtor_unwind::DtorUnwindGuard))` at RUSTLIB/core/src/ptr/mod.rs:LL:CC
-   = note: inside `RUSTLIB/std/src/sys/PLATFORM/thread_local/fast_local.rs:LL:CC]>` at RUSTLIB/std/src/sys/PLATFORM/thread_local/mod.rs:LL:CC
-note: inside `NOISY::__getit::destroy`
-  --> $DIR/thread_local_const_drop_panic.rs:LL:CC
-   |
-LL | / thread_local! {
-LL | |     pub static NOISY: NoisyDrop = const { NoisyDrop {} };
-LL | | }
-   | |_^
-   = note: this error originates in the macro `$crate::thread::local_impl::thread_local_inner` which comes from the expansion of the macro `thread_local` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
 
 error: aborting due to previous error
 

tests/fail/panic/thread_local_drop_panic.rs

@@ -1,4 +1,7 @@
 //@error-in-other-file: aborted execution
+// Backtraces vary wildly between platforms, we have to normalize away almost the entire thing
+//@normalize-stderr-test: "'main'|'<unnamed>'" -> "$$NAME"
+//@normalize-stderr-test: ".*(note|-->|\|).*\n" -> ""
 
 pub struct NoisyDrop {}
 

tests/fail/panic/thread_local_drop_panic.stderr

@@ -1,15 +1,6 @@
-thread '<unnamed>' panicked at 'ow', $DIR/thread_local_drop_panic.rs:LL:CC
-note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
+thread $NAME panicked at 'ow', $DIR/thread_local_drop_panic.rs:LL:CC
 fatal runtime error: thread local panicked on drop
 error: abnormal termination: the program aborted execution
-  --> RUSTLIB/std/src/sys/PLATFORM/mod.rs:LL:CC
-   |
-LL |     unsafe { libc::abort() }
-   |              ^^^^^^^^^^^^^ the program aborted execution
-   |
-   = note: inside `std::sys::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/PLATFORM/mod.rs:LL:CC
-   = note: inside `std::sys::PLATFORM::thread_local::fast_local::destroy_value::<NoisyDrop>` at RUSTLIB/std/src/rt.rs:LL:CC
-   = note: inside `std::sys_common::thread_local_dtor::register_dtor_fallback::run_dtors` at RUSTLIB/std/src/sys_common/thread_local_dtor.rs:LL:CC
 
 error: aborting due to previous error