Remove c_unwind from tests and fix tests

nbdd0121 · nbdd0121 · commit 43a1b0297b20 · 2023-12-25T19:12:09.000Z
diff --git a/src/tools/miri/tests/fail-dep/concurrency/unwind_top_of_stack.rs b/src/tools/miri/tests/fail-dep/concurrency/unwind_top_of_stack.rs
@@ -4,8 +4,6 @@
 
 //! Unwinding past the top frame of a stack is Undefined Behavior.
 
-#![feature(c_unwind)]
-
 use std::{mem, ptr};
 
 extern "C-unwind" fn thread_start(_null: *mut libc::c_void) -> *mut libc::c_void {
diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind1.rs b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind1.rs
@@ -1,5 +1,4 @@
 //@compile-flags: -Zmiri-disable-abi-check
-#![feature(c_unwind)]
 
 #[no_mangle]
 extern "C-unwind" fn unwind() {
diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.rs b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.rs
@@ -4,7 +4,7 @@
 //@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> ""
 //@normalize-stderr-test: "\n +at [^\n]+" -> ""
 //@[definition,both]error-in-other-file: aborted execution
-#![feature(rustc_attrs, c_unwind)]
+#![feature(rustc_attrs)]
 
 #[cfg_attr(any(definition, both), rustc_nounwind)]
 #[no_mangle]
diff --git a/src/tools/miri/tests/fail/panic/bad_miri_start_panic.rs b/src/tools/miri/tests/fail/panic/bad_miri_start_panic.rs
@@ -1,6 +1,5 @@
 //@compile-flags: -Zmiri-disable-abi-check
 // This feature is required to trigger the error using the "C" ABI.
-#![feature(c_unwind)]
 
 extern "C" {
     fn miri_start_panic(payload: *mut u8) -> !;
diff --git a/src/tools/miri/tests/fail/panic/bad_unwind.rs b/src/tools/miri/tests/fail/panic/bad_unwind.rs
@@ -1,5 +1,3 @@
-#![feature(c_unwind)]
-
 //! Unwinding when the caller ABI is "C" (without "-unwind") is UB.
 
 extern "C-unwind" fn unwind() {
diff --git a/src/tools/miri/tests/fail/terminate-terminator.rs b/src/tools/miri/tests/fail/terminate-terminator.rs
@@ -7,8 +7,6 @@
 // Enable MIR inlining to ensure that `TerminatorKind::UnwindTerminate` is generated
 // instead of just `UnwindAction::Terminate`.
 
-#![feature(c_unwind)]
-
 struct Foo;
 
 impl Drop for Foo {
diff --git a/src/tools/miri/tests/fail/unwind-action-terminate.rs b/src/tools/miri/tests/fail/unwind-action-terminate.rs
@@ -3,8 +3,6 @@
 //@normalize-stderr-test: "\| +\^+" -> "| ^"
 //@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> ""
 //@normalize-stderr-test: "\n +at [^\n]+" -> ""
-#![feature(c_unwind)]
-
 extern "C" fn panic_abort() {
     panic!()
 }
diff --git a/src/tools/miri/tests/panic/function_calls/exported_symbol_good_unwind.rs b/src/tools/miri/tests/panic/function_calls/exported_symbol_good_unwind.rs
@@ -2,7 +2,7 @@
 // found in this form" errors works without `-C prefer-dynamic` (`panic!` calls foreign function
 // `__rust_start_panic`).
 // no-prefer-dynamic
-#![feature(c_unwind, unboxed_closures)]
+#![feature(unboxed_closures)]
 
 use std::panic;
 
diff --git a/tests/assembly/asm/aarch64-modifiers.rs b/tests/assembly/asm/aarch64-modifiers.rs
@@ -1,5 +1,5 @@
 // assembly-output: emit-asm
-// compile-flags: -O
+// compile-flags: -O -C panic=abort
 // compile-flags: --target aarch64-unknown-linux-gnu
 // needs-llvm-components: aarch64
 
diff --git a/tests/assembly/asm/arm-modifiers.rs b/tests/assembly/asm/arm-modifiers.rs
@@ -1,5 +1,5 @@
 // assembly-output: emit-asm
-// compile-flags: -O
+// compile-flags: -O -C panic=abort
 // compile-flags: --target armv7-unknown-linux-gnueabihf
 // compile-flags: -C target-feature=+neon
 // needs-llvm-components: arm
diff --git a/tests/assembly/asm/x86-modifiers.rs b/tests/assembly/asm/x86-modifiers.rs
@@ -1,6 +1,6 @@
 // revisions: x86_64 i686
 // assembly-output: emit-asm
-// compile-flags: -O
+// compile-flags: -O -C panic=abort
 //[x86_64] compile-flags: --target x86_64-unknown-linux-gnu
 //[x86_64] needs-llvm-components: x86
 //[i686] compile-flags: --target i686-unknown-linux-gnu
diff --git a/tests/codegen/avr/avr-func-addrspace.rs b/tests/codegen/avr/avr-func-addrspace.rs
@@ -1,4 +1,4 @@
-// compile-flags: -O --target=avr-unknown-gnu-atmega328 --crate-type=rlib
+// compile-flags: -O --target=avr-unknown-gnu-atmega328 --crate-type=rlib -C panic=abort
 // needs-llvm-components: avr
 
 // This test validates that function pointers can be stored in global variables
diff --git a/tests/codegen/catch-unwind.rs b/tests/codegen/catch-unwind.rs
@@ -14,7 +14,6 @@
 // ignore-loongarch64 FIXME
 
 #![crate_type = "lib"]
-#![feature(c_unwind)]
 
 extern "C" {
     fn bar();
diff --git a/tests/codegen/cffi/c-variadic.rs b/tests/codegen/cffi/c-variadic.rs
@@ -4,7 +4,6 @@
 
 #![crate_type = "lib"]
 #![feature(c_variadic)]
-#![feature(c_unwind)]
 #![no_std]
 use core::ffi::VaList;
 
diff --git a/tests/codegen/debuginfo-inline-callsite-location.rs b/tests/codegen/debuginfo-inline-callsite-location.rs
@@ -20,7 +20,7 @@
 #![crate_type = "lib"]
 
 #[no_mangle]
-extern "C" fn add_numbers(x: &Option<i32>, y: &Option<i32>) -> i32 {
+extern "C-unwind" fn add_numbers(x: &Option<i32>, y: &Option<i32>) -> i32 {
     let x1 = x.unwrap();
     let y1 = y.unwrap();
 
diff --git a/tests/codegen/unwind-abis/aapcs-unwind-abi.rs b/tests/codegen/unwind-abis/aapcs-unwind-abi.rs
@@ -1,7 +1,7 @@
 // needs-llvm-components: arm
 // compile-flags: --target=armv7-unknown-linux-gnueabihf --crate-type=rlib -Cno-prepopulate-passes
 #![no_core]
-#![feature(no_core, lang_items, c_unwind)]
+#![feature(no_core, lang_items)]
 #[lang="sized"]
 trait Sized { }
 
diff --git a/tests/codegen/unwind-abis/c-unwind-abi-panic-abort.rs b/tests/codegen/unwind-abis/c-unwind-abi-panic-abort.rs
@@ -4,7 +4,6 @@
 // when the code is compiled with `panic=abort`.
 
 #![crate_type = "lib"]
-#![feature(c_unwind)]
 
 // CHECK: @rust_item_that_can_unwind() unnamed_addr [[ATTR0:#[0-9]+]]
 #[no_mangle]
diff --git a/tests/codegen/unwind-abis/c-unwind-abi.rs b/tests/codegen/unwind-abis/c-unwind-abi.rs
@@ -6,7 +6,6 @@
 // to prevent LLVM from inferring the attribute.
 
 #![crate_type = "lib"]
-#![feature(c_unwind)]
 
 // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 {
 #[no_mangle]
diff --git a/tests/codegen/unwind-abis/cdecl-unwind-abi.rs b/tests/codegen/unwind-abis/cdecl-unwind-abi.rs
@@ -6,7 +6,6 @@
 // disable optimizations above to prevent LLVM from inferring the attribute.
 
 #![crate_type = "lib"]
-#![feature(c_unwind)]
 
 // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 {
 #[no_mangle]
diff --git a/tests/codegen/unwind-abis/fastcall-unwind-abi.rs b/tests/codegen/unwind-abis/fastcall-unwind-abi.rs
@@ -1,7 +1,7 @@
 // needs-llvm-components: x86
 // compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib -Cno-prepopulate-passes
 #![no_core]
-#![feature(no_core, lang_items, c_unwind)]
+#![feature(no_core, lang_items)]
 #[lang="sized"]
 trait Sized { }
 
diff --git a/tests/codegen/unwind-abis/nounwind-on-stable-panic-unwind.rs b/tests/codegen/unwind-abis/nounwind-on-stable-panic-unwind.rs
diff --git a/tests/codegen/unwind-abis/nounwind.rs b/tests/codegen/unwind-abis/nounwind.rs
@@ -2,7 +2,6 @@
 // ignore-wasm32-bare compiled with panic=abort by default
 
 #![crate_type = "lib"]
-#![feature(c_unwind)]
 
 // We disable optimizations to prevent LLVM from inferring the attribute.
 
diff --git a/tests/codegen/unwind-abis/stdcall-unwind-abi.rs b/tests/codegen/unwind-abis/stdcall-unwind-abi.rs
@@ -1,7 +1,7 @@
 // needs-llvm-components: x86
 // compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib -Cno-prepopulate-passes
 #![no_core]
-#![feature(no_core, lang_items, c_unwind)]
+#![feature(no_core, lang_items)]
 #[lang="sized"]
 trait Sized { }
 
diff --git a/tests/codegen/unwind-abis/system-unwind-abi.rs b/tests/codegen/unwind-abis/system-unwind-abi.rs
@@ -6,7 +6,6 @@
 // optimizations above to prevent LLVM from inferring the attribute.
 
 #![crate_type = "lib"]
-#![feature(c_unwind)]
 
 // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 {
 #[no_mangle]
diff --git a/tests/codegen/unwind-abis/sysv64-unwind-abi.rs b/tests/codegen/unwind-abis/sysv64-unwind-abi.rs
@@ -1,7 +1,7 @@
 // needs-llvm-components: x86
 // compile-flags: --target=x86_64-unknown-linux-gnu --crate-type=rlib -Cno-prepopulate-passes
 #![no_core]
-#![feature(no_core, lang_items, c_unwind)]
+#![feature(no_core, lang_items)]
 #[lang="sized"]
 trait Sized { }
 
diff --git a/tests/codegen/unwind-abis/thiscall-unwind-abi.rs b/tests/codegen/unwind-abis/thiscall-unwind-abi.rs
@@ -1,7 +1,7 @@
 // needs-llvm-components: x86
 // compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib -Cno-prepopulate-passes
 #![no_core]
-#![feature(no_core, lang_items, c_unwind)]
+#![feature(no_core, lang_items)]
 #[lang="sized"]
 trait Sized { }
 
diff --git a/tests/codegen/unwind-abis/vectorcall-unwind-abi.rs b/tests/codegen/unwind-abis/vectorcall-unwind-abi.rs
@@ -1,7 +1,7 @@
 // needs-llvm-components: x86
 // compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib -Cno-prepopulate-passes
 #![no_core]
-#![feature(no_core, lang_items, c_unwind, abi_vectorcall)]
+#![feature(no_core, lang_items, abi_vectorcall)]
 #[lang="sized"]
 trait Sized { }
 
diff --git a/tests/codegen/unwind-abis/win64-unwind-abi.rs b/tests/codegen/unwind-abis/win64-unwind-abi.rs
@@ -1,7 +1,7 @@
 // needs-llvm-components: x86
 // compile-flags: --target=x86_64-unknown-linux-gnu --crate-type=rlib -Cno-prepopulate-passes
 #![no_core]
-#![feature(no_core, lang_items, c_unwind)]
+#![feature(no_core, lang_items)]
 #[lang="sized"]
 trait Sized { }
 
diff --git a/tests/codegen/unwind-and-panic-abort.rs b/tests/codegen/unwind-and-panic-abort.rs
@@ -1,7 +1,6 @@
 // compile-flags: -C panic=abort
 
 #![crate_type = "lib"]
-#![feature(c_unwind)]
 
 extern "C-unwind" {
     fn bar();
diff --git a/tests/codegen/unwind-extern-exports.rs b/tests/codegen/unwind-extern-exports.rs
@@ -3,7 +3,6 @@
 // needs-unwind
 
 #![crate_type = "lib"]
-#![feature(c_unwind)]
 
 // Make sure these all do *not* get the attribute.
 // We disable optimizations to prevent LLVM from inferring the attribute.
diff --git a/tests/codegen/unwind-extern-imports.rs b/tests/codegen/unwind-extern-imports.rs
@@ -3,7 +3,6 @@
 // needs-unwind
 
 #![crate_type = "lib"]
-#![feature(c_unwind)]
 
 extern "C" {
     // CHECK: Function Attrs:{{.*}}nounwind
diff --git a/tests/coverage/abort.cov-map b/tests/coverage/abort.cov-map
@@ -1,5 +1,5 @@
 Function name: abort::main
-Raw bytes (105): 0x[01, 01, 12, 01, 47, 05, 09, 03, 0d, 42, 11, 03, 0d, 11, 3e, 42, 11, 03, 0d, 3b, 15, 11, 3e, 42, 11, 03, 0d, 15, 36, 3b, 15, 11, 3e, 42, 11, 03, 0d, 05, 09, 0d, 01, 0d, 01, 01, 1b, 03, 02, 0b, 00, 18, 42, 01, 0c, 00, 19, 11, 00, 1a, 02, 0a, 3e, 02, 0a, 00, 0b, 3b, 02, 0c, 00, 19, 15, 00, 1a, 00, 31, 36, 00, 31, 00, 32, 33, 04, 0c, 00, 19, 05, 00, 1a, 00, 31, 09, 00, 31, 00, 32, 47, 01, 09, 00, 17, 0d, 02, 05, 01, 02]
+Raw bytes (105): 0x[01, 01, 12, 01, 47, 05, 09, 03, 0d, 42, 11, 03, 0d, 11, 3e, 42, 11, 03, 0d, 3b, 15, 11, 3e, 42, 11, 03, 0d, 15, 36, 3b, 15, 11, 3e, 42, 11, 03, 0d, 05, 09, 0d, 01, 0c, 01, 01, 1b, 03, 02, 0b, 00, 18, 42, 01, 0c, 00, 19, 11, 00, 1a, 02, 0a, 3e, 02, 0a, 00, 0b, 3b, 02, 0c, 00, 19, 15, 00, 1a, 00, 31, 36, 00, 31, 00, 32, 33, 04, 0c, 00, 19, 05, 00, 1a, 00, 31, 09, 00, 31, 00, 32, 47, 01, 09, 00, 17, 0d, 02, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 18
@@ -22,7 +22,7 @@ Number of expressions: 18
 - expression 16 operands: lhs = Expression(0, Add), rhs = Counter(3)
 - expression 17 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 13
-- Code(Counter(0)) at (prev + 13, 1) to (start + 1, 27)
+- Code(Counter(0)) at (prev + 12, 1) to (start + 1, 27)
 - Code(Expression(0, Add)) at (prev + 2, 11) to (start + 0, 24)
     = (c0 + (c1 + c2))
 - Code(Expression(16, Sub)) at (prev + 1, 12) to (start + 0, 25)
@@ -44,13 +44,13 @@ Number of file 0 mappings: 13
 - Code(Counter(3)) at (prev + 2, 5) to (start + 1, 2)
 
 Function name: abort::might_abort
-Raw bytes (21): 0x[01, 01, 01, 01, 05, 03, 01, 04, 01, 01, 14, 05, 02, 09, 01, 24, 02, 02, 0c, 03, 02]
+Raw bytes (21): 0x[01, 01, 01, 01, 05, 03, 01, 03, 01, 01, 14, 05, 02, 09, 01, 24, 02, 02, 0c, 03, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 3
-- Code(Counter(0)) at (prev + 4, 1) to (start + 1, 20)
+- Code(Counter(0)) at (prev + 3, 1) to (start + 1, 20)
 - Code(Counter(1)) at (prev + 2, 9) to (start + 1, 36)
 - Code(Expression(0, Sub)) at (prev + 2, 12) to (start + 3, 2)
     = (c0 - c1)
diff --git a/tests/coverage/abort.rs b/tests/coverage/abort.rs
@@ -1,4 +1,3 @@
-#![feature(c_unwind)]
 #![allow(unused_assignments)]
 
 extern "C" fn might_abort(should_abort: bool) {
diff --git a/tests/run-make/forced-unwind-terminate-pof/foo.rs b/tests/run-make/forced-unwind-terminate-pof/foo.rs
@@ -1,6 +1,5 @@
 // Tests that forced unwind through POF Rust frames wouldn't trigger our terminating guards.
 
-#![feature(c_unwind)]
 #![no_main]
 
 extern "C-unwind" {
diff --git a/tests/run-make/no-builtins-lto/Makefile b/tests/run-make/no-builtins-lto/Makefile
@@ -8,8 +8,8 @@ include ../tools.mk
 # Others will use the built-in memcpy.
 
 all:
-	$(RUSTC) -C linker-plugin-lto -C opt-level=2 -C debuginfo=0 foo.rs
-	$(RUSTC) -C linker-plugin-lto -C opt-level=2 -C debuginfo=0 no_builtins.rs
-	$(RUSTC) main.rs -C lto -C opt-level=2 -C debuginfo=0 -C save-temps -C metadata=1 -C codegen-units=1
+	$(RUSTC) -C linker-plugin-lto -C panic=abort -C opt-level=2 -C debuginfo=0 foo.rs
+	$(RUSTC) -C linker-plugin-lto -C panic=abort -C opt-level=2 -C debuginfo=0 no_builtins.rs
+	$(RUSTC) main.rs -C lto -C panic=abort -C opt-level=2 -C debuginfo=0 -C save-temps -C metadata=1 -C codegen-units=1
 	"$(LLVM_BIN_DIR)"/llvm-dis $(TMPDIR)/main.main.*-cgu.0.rcgu.lto.input.bc -o $(TMPDIR)/lto.ll
 	cat "$(TMPDIR)"/lto.ll | "$(LLVM_FILECHECK)" filecheck.lto.txt
diff --git a/tests/ui/asm/x86_64/may_unwind.rs b/tests/ui/asm/x86_64/may_unwind.rs
@@ -16,7 +16,7 @@ impl Drop for Foo<'_> {
     }
 }
 
-extern "C" fn panicky() {
+extern "C-unwind" fn panicky() {
     resume_unwind(Box::new(()));
 }
 
diff --git a/tests/ui/consts/const-eval/unwind-abort.rs b/tests/ui/consts/const-eval/unwind-abort.rs
@@ -1,4 +1,4 @@
-#![feature(c_unwind, const_extern_fn)]
+#![feature(const_extern_fn)]
 
 const extern "C" fn foo() {
     panic!() //~ ERROR evaluation of constant value failed
diff --git a/tests/ui/consts/unwind-abort.rs b/tests/ui/consts/unwind-abort.rs
@@ -1,6 +1,6 @@
 // check-pass
 
-#![feature(c_unwind, const_extern_fn)]
+#![feature(const_extern_fn)]
 
 // We don't unwind in const-eval anyways.
 const extern "C" fn foo() {
diff --git a/tests/ui/panics/abort-on-panic.rs b/tests/ui/panics/abort-on-panic.rs
@@ -3,7 +3,6 @@
 //[next] compile-flags: -Znext-solver
 
 #![allow(unused_must_use)]
-#![feature(c_unwind)]
 #![feature(panic_always_abort)]
 // Since we mark some ABIs as "nounwind" to LLVM, we must make sure that
 // we never unwind through them.
diff --git a/tests/ui/panics/panic-in-ffi.rs b/tests/ui/panics/panic-in-ffi.rs
@@ -7,7 +7,6 @@
 // normalize-stderr-test: "(core/src/panicking\.rs):[0-9]+:[0-9]+" -> "$1:$$LINE:$$COL"
 // needs-unwind
 // ignore-emscripten "RuntimeError" junk in output
-#![feature(c_unwind)]
 
 extern "C" fn panic_in_ffi() {
     panic!("Test");
diff --git a/tests/ui/panics/panic-in-ffi.run.stderr b/tests/ui/panics/panic-in-ffi.run.stderr
@@ -1,4 +1,4 @@
-thread 'main' panicked at $DIR/panic-in-ffi.rs:13:5:
+thread 'main' panicked at $DIR/panic-in-ffi.rs:12:5:
 Test
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
 thread 'main' panicked at library/core/src/panicking.rs:$LINE:$COL:
diff --git a/tests/ui/unwind-abis/feature-gate-c_unwind.rs b/tests/ui/unwind-abis/feature-gate-c_unwind.rs

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,4 @@`
`1`	`1`	`//@compile-flags: -Zmiri-disable-abi-check`
`2`		`-#![feature(c_unwind)]`
`3`	`2`
`4`	`3`	`#[no_mangle]`
`5`	`4`	`extern "C-unwind" fn unwind() {`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,3 @@`
`1`		`-#![feature(c_unwind)]`
`2`		`-`
`3`	`1`	`//! Unwinding when the caller ABI is "C" (without "-unwind") is UB.`
`4`	`2`
`5`	`3`	`extern "C-unwind" fn unwind() {`
Original file line number	Diff line number	Diff line change
`@@ -3,8 +3,6 @@`
`3`	`3`	`//@normalize-stderr-test: "\\| +\^+" -> "\| ^"`
`4`	`4`	`//@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> ""`
`5`	`5`	`//@normalize-stderr-test: "\n +at [^\n]+" -> ""`
`6`		`-#![feature(c_unwind)]`
`7`		`-`
`8`	`6`	`extern "C" fn panic_abort() {`
`9`	`7`	`panic!()`
`10`	`8`	`}`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// compile-flags: -O --target=avr-unknown-gnu-atmega328 --crate-type=rlib`
	`1`	`+// compile-flags: -O --target=avr-unknown-gnu-atmega328 --crate-type=rlib -C panic=abort`
`2`	`2`	`// needs-llvm-components: avr`
`3`	`3`
`4`	`4`	`// This test validates that function pointers can be stored in global variables`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,3 @@`
`1`		`-#![feature(c_unwind)]`
`2`	`1`	`#![allow(unused_assignments)]`
`3`	`2`
`4`	`3`	`extern "C" fn might_abort(should_abort: bool) {`
Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@ impl Drop for Foo<'_> {`
`16`	`16`	`}`
`17`	`17`	`}`
`18`	`18`
`19`		`-extern "C" fn panicky() {`
	`19`	`+extern "C-unwind" fn panicky() {`
`20`	`20`	`resume_unwind(Box::new(()));`
`21`	`21`	`}`
`22`	`22`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#![feature(c_unwind, const_extern_fn)]`
	`1`	`+#![feature(const_extern_fn)]`
`2`	`2`
`3`	`3`	`const extern "C" fn foo() {`
`4`	`4`	`panic!() //~ ERROR evaluation of constant value failed`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-thread 'main' panicked at $DIR/panic-in-ffi.rs:13:5:`
	`1`	`+thread 'main' panicked at $DIR/panic-in-ffi.rs:12:5:`
`2`	`2`	`Test`
`3`	`3`	note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
`4`	`4`	`thread 'main' panicked at library/core/src/panicking.rs:$LINE:$COL:`