Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

11 files changed, 72 insertions, 49 deletions

diff --git a/src/test/ui/abi/abi-sysv64-register-usage.rs b/src/test/ui/abi/abi-sysv64-register-usage.rs
index 9404e71d0..393306936 100644
--- a/src/test/ui/abi/abi-sysv64-register-usage.rs
+++ b/src/test/ui/abi/abi-sysv64-register-usage.rs
@@ -6,20 +6,30 @@
 // ignore-arm
 // ignore-aarch64
 // needs-asm-support
-#![feature(asm_sym)]
 
 #[cfg(target_arch = "x86_64")]
-pub extern "sysv64" fn all_the_registers(rdi: i64, rsi: i64, rdx: i64,
-                                         rcx: i64, r8 : i64, r9 : i64,
-                                         xmm0: f32, xmm1: f32, xmm2: f32,
-                                         xmm3: f32, xmm4: f32, xmm5: f32,
-                                         xmm6: f32, xmm7: f32) -> i64 {
+pub extern "sysv64" fn all_the_registers(
+    rdi: i64,
+    rsi: i64,
+    rdx: i64,
+    rcx: i64,
+    r8: i64,
+    r9: i64,
+    xmm0: f32,
+    xmm1: f32,
+    xmm2: f32,
+    xmm3: f32,
+    xmm4: f32,
+    xmm5: f32,
+    xmm6: f32,
+    xmm7: f32,
+) -> i64 {
     assert_eq!(rdi, 1);
     assert_eq!(rsi, 2);
     assert_eq!(rdx, 3);
     assert_eq!(rcx, 4);
-    assert_eq!(r8,  5);
-    assert_eq!(r9,  6);
+    assert_eq!(r8, 5);
+    assert_eq!(r9, 6);
     assert_eq!(xmm0, 1.0f32);
     assert_eq!(xmm1, 2.0f32);
     assert_eq!(xmm2, 4.0f32);
diff --git a/src/test/ui/abi/abi-typo-unstable.rs b/src/test/ui/abi/abi-typo-unstable.rs
new file mode 100644
index 000000000..94991a5eb
--- /dev/null
+++ b/src/test/ui/abi/abi-typo-unstable.rs
@@ -0,0 +1,6 @@
+// rust-intrinsic is unstable and not enabled, so it should not be suggested as a fix
+extern "rust-intrinsec" fn rust_intrinsic() {} //~ ERROR invalid ABI
+
+fn main() {
+    rust_intrinsic();
+}
diff --git a/src/test/ui/abi/abi-typo-unstable.stderr b/src/test/ui/abi/abi-typo-unstable.stderr
new file mode 100644
index 000000000..3b346e002
--- /dev/null
+++ b/src/test/ui/abi/abi-typo-unstable.stderr
@@ -0,0 +1,11 @@
+error[E0703]: invalid ABI: found `rust-intrinsec`
+  --> $DIR/abi-typo-unstable.rs:2:8
+   |
+LL | extern "rust-intrinsec" fn rust_intrinsic() {}
+   |        ^^^^^^^^^^^^^^^^ invalid ABI
+   |
+   = note: invoke `rustc --print=calling-conventions` for a full list of supported calling conventions.
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0703`.
diff --git a/src/test/ui/abi/segfault-no-out-of-stack.rs b/src/test/ui/abi/segfault-no-out-of-stack.rs
index ad4faf95a..ab2b30894 100644
--- a/src/test/ui/abi/segfault-no-out-of-stack.rs
+++ b/src/test/ui/abi/segfault-no-out-of-stack.rs
@@ -3,6 +3,7 @@
 #![allow(unused_imports)]
 // ignore-emscripten can't run commands
 // ignore-sgx no processes
+// ignore-fuchsia must translate zircon signal to SIGSEGV/SIGBUS, FIXME (#58590)
 #![feature(rustc_private)]
 
 extern crate libc;
diff --git a/src/test/ui/abi/stack-probes-lto.rs b/src/test/ui/abi/stack-probes-lto.rs
index 90df1f3f5..6d934538f 100644
--- a/src/test/ui/abi/stack-probes-lto.rs
+++ b/src/test/ui/abi/stack-probes-lto.rs
@@ -3,8 +3,6 @@
 // ignore-aarch64
 // ignore-mips
 // ignore-mips64
-// ignore-powerpc
-// ignore-s390x
 // ignore-sparc
 // ignore-sparc64
 // ignore-wasm
@@ -12,6 +10,7 @@
 // ignore-sgx no processes
 // ignore-musl FIXME #31506
 // ignore-pretty
+// ignore-fuchsia no exception handler registered for segfault
 // compile-flags: -C lto
 // no-prefer-dynamic
 
diff --git a/src/test/ui/abi/stack-probes.rs b/src/test/ui/abi/stack-probes.rs
index e998dd0f8..e7b91644b 100644
--- a/src/test/ui/abi/stack-probes.rs
+++ b/src/test/ui/abi/stack-probes.rs
@@ -3,13 +3,12 @@
 // ignore-aarch64
 // ignore-mips
 // ignore-mips64
-// ignore-powerpc
-// ignore-s390x
 // ignore-sparc
 // ignore-sparc64
 // ignore-wasm
 // ignore-emscripten no processes
 // ignore-sgx no processes
+// ignore-fuchsia no exception handler registered for segfault
 
 use std::env;
 use std::mem::MaybeUninit;
@@ -26,8 +25,9 @@ fn main() {
     let args = env::args().skip(1).collect::<Vec<_>>();
     if args.len() > 0 {
         match &args[0][..] {
-            "main-thread" => recurse(&MaybeUninit::uninit()),
-            "child-thread" => thread::spawn(|| recurse(&MaybeUninit::uninit())).join().unwrap(),
+            "main-recurse" => overflow_recurse(),
+            "child-recurse" => thread::spawn(overflow_recurse).join().unwrap(),
+            "child-frame" => overflow_frame(),
             _ => panic!(),
         }
         return;
@@ -40,9 +40,10 @@ fn main() {
     // that we report stack overflow on the main thread, see #43052 for some
     // details
     if cfg!(not(target_os = "linux")) {
-        assert_overflow(Command::new(&me).arg("main-thread"));
+        assert_overflow(Command::new(&me).arg("main-recurse"));
     }
-    assert_overflow(Command::new(&me).arg("child-thread"));
+    assert_overflow(Command::new(&me).arg("child-recurse"));
+    assert_overflow(Command::new(&me).arg("child-frame"));
 }
 
 #[allow(unconditional_recursion)]
@@ -54,6 +55,23 @@ fn recurse(array: &MaybeUninit<[u64; 1024]>) {
     recurse(&local);
 }
 
+#[inline(never)]
+fn overflow_recurse() {
+    recurse(&MaybeUninit::uninit());
+}
+
+fn overflow_frame() {
+    // By using a 1MiB stack frame with only 512KiB stack, we'll jump over any
+    // guard page, even with 64K pages -- but stack probes should catch it.
+    const STACK_SIZE: usize = 512 * 1024;
+    thread::Builder::new().stack_size(STACK_SIZE).spawn(|| {
+        let local: MaybeUninit<[u8; 2 * STACK_SIZE]> = MaybeUninit::uninit();
+        unsafe {
+            black_box(local.as_ptr() as u64);
+        }
+    }).unwrap().join().unwrap();
+}
+
 fn assert_overflow(cmd: &mut Command) {
     let output = cmd.output().unwrap();
     assert!(!output.status.success());
diff --git a/src/test/ui/abi/unsupported.aarch64.stderr b/src/test/ui/abi/unsupported.aarch64.stderr
index a948947db..e86a73ea6 100644
--- a/src/test/ui/abi/unsupported.aarch64.stderr
+++ b/src/test/ui/abi/unsupported.aarch64.stderr
@@ -52,9 +52,9 @@ warning: use of calling convention not supported on this target
 LL | extern "stdcall" fn stdcall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: `#[warn(unsupported_calling_conventions)]` on by default
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
+   = note: `#[warn(unsupported_calling_conventions)]` on by default
 
 error: aborting due to 8 previous errors; 1 warning emitted
 
diff --git a/src/test/ui/abi/unsupported.arm.stderr b/src/test/ui/abi/unsupported.arm.stderr
index 297354c28..f7569c8cd 100644
--- a/src/test/ui/abi/unsupported.arm.stderr
+++ b/src/test/ui/abi/unsupported.arm.stderr
@@ -46,9 +46,9 @@ warning: use of calling convention not supported on this target
 LL | extern "stdcall" fn stdcall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: `#[warn(unsupported_calling_conventions)]` on by default
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
+   = note: `#[warn(unsupported_calling_conventions)]` on by default
 
 error: aborting due to 7 previous errors; 1 warning emitted
 
diff --git a/src/test/ui/abi/unsupported.x64.stderr b/src/test/ui/abi/unsupported.x64.stderr
index 49b88cd3f..26023a458 100644
--- a/src/test/ui/abi/unsupported.x64.stderr
+++ b/src/test/ui/abi/unsupported.x64.stderr
@@ -46,9 +46,9 @@ warning: use of calling convention not supported on this target
 LL | extern "stdcall" fn stdcall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: `#[warn(unsupported_calling_conventions)]` on by default
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
+   = note: `#[warn(unsupported_calling_conventions)]` on by default
 
 error: aborting due to 7 previous errors; 1 warning emitted
 
diff --git a/src/test/ui/abi/x86stdcall.rs b/src/test/ui/abi/x86stdcall.rs
index 868923e59..d1cf1319f 100644
--- a/src/test/ui/abi/x86stdcall.rs
+++ b/src/test/ui/abi/x86stdcall.rs
@@ -1,17 +1,15 @@
 // run-pass
-// ignore-wasm32-bare no libc to test ffi with
-// ignore-sgx no libc
+// only-windows
 // GetLastError doesn't seem to work with stack switching
 
 #[cfg(windows)]
 mod kernel32 {
-  extern "system" {
-    pub fn SetLastError(err: usize);
-    pub fn GetLastError() -> usize;
-  }
+    extern "system" {
+        pub fn SetLastError(err: usize);
+        pub fn GetLastError() -> usize;
+    }
 }
 
-
 #[cfg(windows)]
 pub fn main() {
     unsafe {
@@ -22,17 +20,3 @@ pub fn main() {
         assert_eq!(expected, actual);
     }
 }
-
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "emscripten",
-          target_os = "freebsd",
-          target_os = "fuchsia",
-          target_os = "illumos",
-          target_os = "linux",
-          target_os = "macos",
-          target_os = "netbsd",
-          target_os = "openbsd",
-          target_os = "solaris",
-          target_os = "vxworks"))]
-pub fn main() { }
diff --git a/src/test/ui/abi/x86stdcall2.rs b/src/test/ui/abi/x86stdcall2.rs
index 563e3aba6..4d508ecb2 100644
--- a/src/test/ui/abi/x86stdcall2.rs
+++ b/src/test/ui/abi/x86stdcall2.rs
@@ -1,4 +1,5 @@
 // run-pass
+// only-windows
 
 #![allow(non_camel_case_types)]
 pub type HANDLE = usize;
@@ -7,20 +8,16 @@ pub type SIZE_T = u32;
 pub type LPVOID = usize;
 pub type BOOL = u8;
 
-#[cfg(windows)]
 mod kernel32 {
-    use super::{HANDLE, DWORD, SIZE_T, LPVOID, BOOL};
+    use super::{BOOL, DWORD, HANDLE, LPVOID, SIZE_T};
 
     extern "system" {
         pub fn GetProcessHeap() -> HANDLE;
-        pub fn HeapAlloc(hHeap: HANDLE, dwFlags: DWORD, dwBytes: SIZE_T)
-                      -> LPVOID;
+        pub fn HeapAlloc(hHeap: HANDLE, dwFlags: DWORD, dwBytes: SIZE_T) -> LPVOID;
         pub fn HeapFree(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID) -> BOOL;
     }
 }
 
-
-#[cfg(windows)]
 pub fn main() {
     let heap = unsafe { kernel32::GetProcessHeap() };
     let mem = unsafe { kernel32::HeapAlloc(heap, 0, 100) };
@@ -28,6 +25,3 @@ pub fn main() {
     let res = unsafe { kernel32::HeapFree(heap, 0, mem) };
     assert!(res != 0);
 }
-
-#[cfg(not(windows))]
-pub fn main() { }