Merge commit '08a6d6e16b5efe217123e780398969946266268f' into sync-cg_gcc-2023-03-04

15 files changed, 35 insertions, 25 deletions

diff --git a/compiler/rustc_codegen_gcc/tests/lang_tests_common.rs b/compiler/rustc_codegen_gcc/tests/lang_tests_common.rs
index 8e378177e24..06de26f7efc 100644
--- a/compiler/rustc_codegen_gcc/tests/lang_tests_common.rs
+++ b/compiler/rustc_codegen_gcc/tests/lang_tests_common.rs
@@ -46,11 +46,15 @@ pub fn main_inner(profile: Profile) {
                 &format!("-Zcodegen-backend={}/target/debug/librustc_codegen_gcc.so", current_dir),
                 "--sysroot", &format!("{}/build_sysroot/sysroot/", current_dir),
                 "-Zno-parallel-llvm",
-                "-C", "panic=abort",
                 "-C", "link-arg=-lc",
                 "-o", exe.to_str().expect("to_str"),
                 path.to_str().expect("to_str"),
             ]);
+            if let Some(flags) = option_env!("TEST_FLAGS") {
+                for flag in flags.split_whitespace() {
+                    compiler.arg(&flag);
+                }
+            }
             match profile {
                 Profile::Debug => {}
                 Profile::Release => {
diff --git a/compiler/rustc_codegen_gcc/tests/run/abort1.rs b/compiler/rustc_codegen_gcc/tests/run/abort1.rs
index 291af5993aa..25041d93e74 100644
--- a/compiler/rustc_codegen_gcc/tests/run/abort1.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/abort1.rs
@@ -33,6 +33,7 @@ mod intrinsics {
     use super::Sized;
 
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
diff --git a/compiler/rustc_codegen_gcc/tests/run/abort2.rs b/compiler/rustc_codegen_gcc/tests/run/abort2.rs
index 3c87c567892..e7443c8dbe5 100644
--- a/compiler/rustc_codegen_gcc/tests/run/abort2.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/abort2.rs
@@ -33,6 +33,7 @@ mod intrinsics {
     use super::Sized;
 
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
diff --git a/compiler/rustc_codegen_gcc/tests/run/array.rs b/compiler/rustc_codegen_gcc/tests/run/array.rs
index 8b621d8a353..49b28d98f2f 100644
--- a/compiler/rustc_codegen_gcc/tests/run/array.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/array.rs
@@ -79,7 +79,7 @@ pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
 #[lang = "panic"]
 #[track_caller]
 #[no_mangle]
-pub fn panic(_msg: &str) -> ! {
+pub fn panic(_msg: &'static str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
         intrinsics::abort();
@@ -105,6 +105,7 @@ fn panic_bounds_check(index: usize, len: usize) -> ! {
 
 mod intrinsics {
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
diff --git a/compiler/rustc_codegen_gcc/tests/run/assign.rs b/compiler/rustc_codegen_gcc/tests/run/assign.rs
index eb38a8a3835..427c1a25033 100644
--- a/compiler/rustc_codegen_gcc/tests/run/assign.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/assign.rs
@@ -57,6 +57,7 @@ mod libc {
 
 mod intrinsics {
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
@@ -64,7 +65,7 @@ mod intrinsics {
 #[lang = "panic"]
 #[track_caller]
 #[no_mangle]
-pub fn panic(_msg: &str) -> ! {
+pub fn panic(_msg: &'static str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
         libc::fflush(libc::stdout);
diff --git a/compiler/rustc_codegen_gcc/tests/run/closure.rs b/compiler/rustc_codegen_gcc/tests/run/closure.rs
index 7121a5f0d52..8daa681abf7 100644
--- a/compiler/rustc_codegen_gcc/tests/run/closure.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/closure.rs
@@ -97,10 +97,14 @@ fn panic_bounds_check(index: usize, len: usize) -> ! {
 
 mod intrinsics {
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
 
+#[lang = "tuple_trait"]
+pub trait Tuple {}
+
 #[lang = "unsize"]
 pub trait Unsize<T: ?Sized> {}
 
@@ -114,7 +118,7 @@ impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<*mut U> for *mut T {}
 
 #[lang = "fn_once"]
 #[rustc_paren_sugar]
-pub trait FnOnce<Args> {
+pub trait FnOnce<Args: Tuple> {
     #[lang = "fn_once_output"]
     type Output;
 
@@ -123,7 +127,7 @@ pub trait FnOnce<Args> {
 
 #[lang = "fn_mut"]
 #[rustc_paren_sugar]
-pub trait FnMut<Args>: FnOnce<Args> {
+pub trait FnMut<Args: Tuple>: FnOnce<Args> {
     extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output;
 }
 
@@ -177,7 +181,7 @@ impl Add for isize {
 #[lang = "panic"]
 #[track_caller]
 #[no_mangle]
-pub fn panic(_msg: &str) -> ! {
+pub fn panic(_msg: &'static str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
         intrinsics::abort();
diff --git a/compiler/rustc_codegen_gcc/tests/run/condition.rs b/compiler/rustc_codegen_gcc/tests/run/condition.rs
index 6a2e2d5bb11..b7a13081dea 100644
--- a/compiler/rustc_codegen_gcc/tests/run/condition.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/condition.rs
@@ -82,7 +82,7 @@ pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
 #[lang = "panic"]
 #[track_caller]
 #[no_mangle]
-pub fn panic(_msg: &str) -> ! {
+pub fn panic(_msg: &'static str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
         intrinsics::abort();
@@ -108,6 +108,7 @@ fn panic_bounds_check(index: usize, len: usize) -> ! {
 
 mod intrinsics {
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
diff --git a/compiler/rustc_codegen_gcc/tests/run/fun_ptr.rs b/compiler/rustc_codegen_gcc/tests/run/fun_ptr.rs
index a226fff79e5..8a196f774c8 100644
--- a/compiler/rustc_codegen_gcc/tests/run/fun_ptr.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/fun_ptr.rs
@@ -76,7 +76,7 @@ pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
 #[lang = "panic"]
 #[track_caller]
 #[no_mangle]
-pub fn panic(_msg: &str) -> ! {
+pub fn panic(_msg: &'static str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
         intrinsics::abort();
@@ -102,6 +102,7 @@ fn panic_bounds_check(index: usize, len: usize) -> ! {
 
 mod intrinsics {
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
diff --git a/compiler/rustc_codegen_gcc/tests/run/int.rs b/compiler/rustc_codegen_gcc/tests/run/int.rs
index 75779622b54..bfe73c38435 100644
--- a/compiler/rustc_codegen_gcc/tests/run/int.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/int.rs
@@ -3,22 +3,14 @@
 // Run-time:
 //   status: 0
 
-#![feature(const_black_box, core_intrinsics, start)]
-
-#![no_std]
-
-#[panic_handler]
-fn panic_handler(_: &core::panic::PanicInfo) -> ! {
-    core::intrinsics::abort();
-}
+#![feature(const_black_box)]
 
 /*
  * Code
  */
 
-#[start]
-fn main(_argc: isize, _argv: *const *const u8) -> isize {
-    use core::hint::black_box;
+fn main() {
+    use std::hint::black_box;
 
     macro_rules! check {
         ($ty:ty, $expr:expr) => {
@@ -335,6 +327,4 @@ fn main(_argc: isize, _argv: *const *const u8) -> isize {
         const VAL5: T = 73236519889708027473620326106273939584_i128;
         check_ops128!();
     }
-
-    0
 }
diff --git a/compiler/rustc_codegen_gcc/tests/run/int_overflow.rs b/compiler/rustc_codegen_gcc/tests/run/int_overflow.rs
index ea2c5add962..c3fcb3c0a2a 100644
--- a/compiler/rustc_codegen_gcc/tests/run/int_overflow.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/int_overflow.rs
@@ -55,6 +55,7 @@ mod libc {
 
 mod intrinsics {
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
@@ -62,7 +63,7 @@ mod intrinsics {
 #[lang = "panic"]
 #[track_caller]
 #[no_mangle]
-pub fn panic(_msg: &str) -> ! {
+pub fn panic(_msg: &'static str) -> ! {
     unsafe {
         // Panicking is expected iff overflow checking is enabled.
         #[cfg(debug_assertions)]
diff --git a/compiler/rustc_codegen_gcc/tests/run/mut_ref.rs b/compiler/rustc_codegen_gcc/tests/run/mut_ref.rs
index 52de20021f3..2a2ea8b8bf0 100644
--- a/compiler/rustc_codegen_gcc/tests/run/mut_ref.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/mut_ref.rs
@@ -59,6 +59,7 @@ mod libc {
 
 mod intrinsics {
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
@@ -66,7 +67,7 @@ mod intrinsics {
 #[lang = "panic"]
 #[track_caller]
 #[no_mangle]
-pub fn panic(_msg: &str) -> ! {
+pub fn panic(_msg: &'static str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
         libc::fflush(libc::stdout);
diff --git a/compiler/rustc_codegen_gcc/tests/run/operations.rs b/compiler/rustc_codegen_gcc/tests/run/operations.rs
index e078b37b4ab..67b9f241dbb 100644
--- a/compiler/rustc_codegen_gcc/tests/run/operations.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/operations.rs
@@ -65,6 +65,7 @@ mod libc {
 
 mod intrinsics {
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
@@ -72,7 +73,7 @@ mod intrinsics {
 #[lang = "panic"]
 #[track_caller]
 #[no_mangle]
-pub fn panic(_msg: &str) -> ! {
+pub fn panic(_msg: &'static str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
         libc::fflush(libc::stdout);
diff --git a/compiler/rustc_codegen_gcc/tests/run/ptr_cast.rs b/compiler/rustc_codegen_gcc/tests/run/ptr_cast.rs
index 6ac099ea145..da8a8295d56 100644
--- a/compiler/rustc_codegen_gcc/tests/run/ptr_cast.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/ptr_cast.rs
@@ -76,7 +76,7 @@ pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
 #[lang = "panic"]
 #[track_caller]
 #[no_mangle]
-pub fn panic(_msg: &str) -> ! {
+pub fn panic(_msg: &'static str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
         intrinsics::abort();
@@ -102,6 +102,7 @@ fn panic_bounds_check(index: usize, len: usize) -> ! {
 
 mod intrinsics {
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
diff --git a/compiler/rustc_codegen_gcc/tests/run/slice.rs b/compiler/rustc_codegen_gcc/tests/run/slice.rs
index ad9258ed0bd..96f1c4792e5 100644
--- a/compiler/rustc_codegen_gcc/tests/run/slice.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/slice.rs
@@ -102,6 +102,7 @@ mod intrinsics {
     use super::Sized;
 
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }
diff --git a/compiler/rustc_codegen_gcc/tests/run/static.rs b/compiler/rustc_codegen_gcc/tests/run/static.rs
index 294add96844..19201f1df26 100644
--- a/compiler/rustc_codegen_gcc/tests/run/static.rs
+++ b/compiler/rustc_codegen_gcc/tests/run/static.rs
@@ -45,6 +45,7 @@ mod intrinsics {
     use super::Sized;
 
     extern "rust-intrinsic" {
+        #[rustc_safe_intrinsic]
         pub fn abort() -> !;
     }
 }