Auto merge of #68248 - JohnTitor:rollup-x0kml5f, r=JohnTitor

Rollup of 12 pull requests

Successful merges:

 - #67784 (Reset Formatter flags on exit from pad_integral)
 - #67914 (Don't run const propagation on items with inconsistent bounds)
 - #68141 (use winapi for non-stdlib Windows bindings)
 - #68211 (Add failing example for E0170 explanation)
 - #68219 (Untangle ZST validation from integer validation and generalize it to all zsts)
 - #68222 (Update the wasi-libc bundled with libstd)
 - #68226 (Avoid calling tcx.hir().get() on CRATE_HIR_ID)
 - #68227 (Update to a version of cmake with windows arm64 support)
 - #68229 (Update iovec to a version with no winapi dependency)
 - #68230 (Update libssh2-sys to a version that can build for aarch64-pc-windows…)
 - #68231 (Better support for cross compilation on Windows.)
 - #68233 (Update compiler_builtins with changes to fix 128 bit integer remainder for aarch64 windows.)

Failed merges:

r? @ghost

Cargo.lock

@@ -207,6 +207,7 @@ dependencies = [
  "serde_json",
  "time",
  "toml",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -520,9 +521,9 @@ dependencies = [
 
 [[package]]
 name = "cmake"
-version = "0.1.38"
+version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96210eec534fc3fbfc0452a63769424eaa80205fda6cea98e5b61cb3d97bcec8"
+checksum = "81fb25b677f8bf1eb325017cb6bb8452f87969db0fedb4f757b297bee78a7c62"
 dependencies = [
  "cc",
 ]
@@ -576,9 +577,9 @@ dependencies = [
 
 [[package]]
 name = "compiler_builtins"
-version = "0.1.22"
+version = "0.1.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6f083abf9bb9005a27d2da62706f661245278cb7096da37ab27410eaf60f2c1"
+checksum = "b9975aefa63997ef75ca9cf013ff1bb81487aaa0b622c21053afd3b92979a7af"
 dependencies = [
  "cc",
  "rustc-std-workspace-core",
@@ -1587,12 +1588,11 @@ dependencies = [
 
 [[package]]
 name = "iovec"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
+checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
 dependencies = [
  "libc",
- "winapi 0.2.8",
 ]
 
 [[package]]
@@ -1812,9 +1812,9 @@ dependencies = [
 
 [[package]]
 name = "libssh2-sys"
-version = "0.2.11"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "126a1f4078368b163bfdee65fbab072af08a1b374a5551b21e87ade27b1fbf9d"
+checksum = "36aa6e813339d3a063292b77091dfbbb6152ff9006a459895fa5bebed7d34f10"
 dependencies = [
  "cc",
  "libc",
@@ -3497,6 +3497,7 @@ dependencies = [
  "serialize",
  "smallvec 1.0.0",
  "stable_deref_trait",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -3524,6 +3525,7 @@ dependencies = [
  "rustc_target",
  "serialize",
  "syntax",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -3543,6 +3545,7 @@ dependencies = [
  "term_size",
  "termcolor",
  "unicode-width",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -3654,6 +3657,7 @@ dependencies = [
  "smallvec 1.0.0",
  "syntax",
  "tempfile",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -3723,6 +3727,7 @@ dependencies = [
  "smallvec 1.0.0",
  "stable_deref_trait",
  "syntax",
+ "winapi 0.3.8",
 ]
 
 [[package]]

src/bootstrap/Cargo.toml

@@ -49,5 +49,9 @@ lazy_static = "1.3.0"
 time = "0.1"
 ignore = "0.4.10"
 
+[target.'cfg(windows)'.dependencies.winapi]
+version = "0.3"
+features = ["fileapi", "ioapiset", "jobapi2", "handleapi", "winioctl"]
+
 [dev-dependencies]
 pretty_assertions = "0.5"

src/bootstrap/job.rs

@@ -35,84 +35,16 @@ use std::io;
 use std::mem;
 use std::ptr;
 
-type HANDLE = *mut u8;
-type BOOL = i32;
-type DWORD = u32;
-type LPHANDLE = *mut HANDLE;
-type LPVOID = *mut u8;
-type JOBOBJECTINFOCLASS = i32;
-type SIZE_T = usize;
-type LARGE_INTEGER = i64;
-type UINT = u32;
-type ULONG_PTR = usize;
-type ULONGLONG = u64;
-
-const FALSE: BOOL = 0;
-const DUPLICATE_SAME_ACCESS: DWORD = 0x2;
-const PROCESS_DUP_HANDLE: DWORD = 0x40;
-const JobObjectExtendedLimitInformation: JOBOBJECTINFOCLASS = 9;
-const JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE: DWORD = 0x2000;
-const JOB_OBJECT_LIMIT_PRIORITY_CLASS: DWORD = 0x00000020;
-const SEM_FAILCRITICALERRORS: UINT = 0x0001;
-const SEM_NOGPFAULTERRORBOX: UINT = 0x0002;
-const BELOW_NORMAL_PRIORITY_CLASS: DWORD = 0x00004000;
-
-extern "system" {
-    fn CreateJobObjectW(lpJobAttributes: *mut u8, lpName: *const u8) -> HANDLE;
-    fn CloseHandle(hObject: HANDLE) -> BOOL;
-    fn GetCurrentProcess() -> HANDLE;
-    fn OpenProcess(dwDesiredAccess: DWORD, bInheritHandle: BOOL, dwProcessId: DWORD) -> HANDLE;
-    fn DuplicateHandle(
-        hSourceProcessHandle: HANDLE,
-        hSourceHandle: HANDLE,
-        hTargetProcessHandle: HANDLE,
-        lpTargetHandle: LPHANDLE,
-        dwDesiredAccess: DWORD,
-        bInheritHandle: BOOL,
-        dwOptions: DWORD,
-    ) -> BOOL;
-    fn AssignProcessToJobObject(hJob: HANDLE, hProcess: HANDLE) -> BOOL;
-    fn SetInformationJobObject(
-        hJob: HANDLE,
-        JobObjectInformationClass: JOBOBJECTINFOCLASS,
-        lpJobObjectInformation: LPVOID,
-        cbJobObjectInformationLength: DWORD,
-    ) -> BOOL;
-    fn SetErrorMode(mode: UINT) -> UINT;
-}
-
-#[repr(C)]
-struct JOBOBJECT_EXTENDED_LIMIT_INFORMATION {
-    BasicLimitInformation: JOBOBJECT_BASIC_LIMIT_INFORMATION,
-    IoInfo: IO_COUNTERS,
-    ProcessMemoryLimit: SIZE_T,
-    JobMemoryLimit: SIZE_T,
-    PeakProcessMemoryUsed: SIZE_T,
-    PeakJobMemoryUsed: SIZE_T,
-}
-
-#[repr(C)]
-struct IO_COUNTERS {
-    ReadOperationCount: ULONGLONG,
-    WriteOperationCount: ULONGLONG,
-    OtherOperationCount: ULONGLONG,
-    ReadTransferCount: ULONGLONG,
-    WriteTransferCount: ULONGLONG,
-    OtherTransferCount: ULONGLONG,
-}
-
-#[repr(C)]
-struct JOBOBJECT_BASIC_LIMIT_INFORMATION {
-    PerProcessUserTimeLimit: LARGE_INTEGER,
-    PerJobUserTimeLimit: LARGE_INTEGER,
-    LimitFlags: DWORD,
-    MinimumWorkingsetSize: SIZE_T,
-    MaximumWorkingsetSize: SIZE_T,
-    ActiveProcessLimit: DWORD,
-    Affinity: ULONG_PTR,
-    PriorityClass: DWORD,
-    SchedulingClass: DWORD,
-}
+use winapi::shared::minwindef::{DWORD, FALSE, LPVOID};
+use winapi::um::errhandlingapi::SetErrorMode;
+use winapi::um::handleapi::{CloseHandle, DuplicateHandle};
+use winapi::um::jobapi2::{AssignProcessToJobObject, CreateJobObjectW, SetInformationJobObject};
+use winapi::um::processthreadsapi::{GetCurrentProcess, OpenProcess};
+use winapi::um::winbase::{BELOW_NORMAL_PRIORITY_CLASS, SEM_NOGPFAULTERRORBOX};
+use winapi::um::winnt::{
+    JobObjectExtendedLimitInformation, DUPLICATE_SAME_ACCESS, JOBOBJECT_EXTENDED_LIMIT_INFORMATION,
+    JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE, JOB_OBJECT_LIMIT_PRIORITY_CLASS, PROCESS_DUP_HANDLE,
+};
 
 pub unsafe fn setup(build: &mut Build) {
     // Enable the Windows Error Reporting dialog which msys disables,

src/bootstrap/native.rs

@@ -230,6 +230,8 @@ impl Step for Llvm {
                 cfg.define("CMAKE_SYSTEM_NAME", "NetBSD");
             } else if target.contains("freebsd") {
                 cfg.define("CMAKE_SYSTEM_NAME", "FreeBSD");
+            } else if target.contains("windows") {
+                cfg.define("CMAKE_SYSTEM_NAME", "Windows");
             }
 
             cfg.define("LLVM_NATIVE_BUILD", builder.llvm_out(builder.config.build).join("build"));

src/bootstrap/util.rs

@@ -123,37 +123,24 @@ pub fn symlink_dir(config: &Config, src: &Path, dest: &Path) -> io::Result<()> {
     // what can be found here:
     //
     // http://www.flexhex.com/docs/articles/hard-links.phtml
-    //
-    // Copied from std
     #[cfg(windows)]
-    #[allow(nonstandard_style)]
     fn symlink_dir_inner(target: &Path, junction: &Path) -> io::Result<()> {
         use std::ffi::OsStr;
         use std::os::windows::ffi::OsStrExt;
         use std::ptr;
 
-        const MAXIMUM_REPARSE_DATA_BUFFER_SIZE: usize = 16 * 1024;
-        const GENERIC_WRITE: DWORD = 0x40000000;
-        const OPEN_EXISTING: DWORD = 3;
-        const FILE_FLAG_OPEN_REPARSE_POINT: DWORD = 0x00200000;
-        const FILE_FLAG_BACKUP_SEMANTICS: DWORD = 0x02000000;
-        const FSCTL_SET_REPARSE_POINT: DWORD = 0x900a4;
-        const IO_REPARSE_TAG_MOUNT_POINT: DWORD = 0xa0000003;
-        const FILE_SHARE_DELETE: DWORD = 0x4;
-        const FILE_SHARE_READ: DWORD = 0x1;
-        const FILE_SHARE_WRITE: DWORD = 0x2;
-
-        type BOOL = i32;
-        type DWORD = u32;
-        type HANDLE = *mut u8;
-        type LPCWSTR = *const u16;
-        type LPDWORD = *mut DWORD;
-        type LPOVERLAPPED = *mut u8;
-        type LPSECURITY_ATTRIBUTES = *mut u8;
-        type LPVOID = *mut u8;
-        type WCHAR = u16;
-        type WORD = u16;
-
+        use winapi::shared::minwindef::{DWORD, WORD};
+        use winapi::um::fileapi::{CreateFileW, OPEN_EXISTING};
+        use winapi::um::handleapi::CloseHandle;
+        use winapi::um::ioapiset::DeviceIoControl;
+        use winapi::um::winbase::{FILE_FLAG_BACKUP_SEMANTICS, FILE_FLAG_OPEN_REPARSE_POINT};
+        use winapi::um::winioctl::FSCTL_SET_REPARSE_POINT;
+        use winapi::um::winnt::{
+            FILE_SHARE_DELETE, FILE_SHARE_READ, FILE_SHARE_WRITE, GENERIC_WRITE,
+            IO_REPARSE_TAG_MOUNT_POINT, MAXIMUM_REPARSE_DATA_BUFFER_SIZE, WCHAR,
+        };
+
+        #[allow(non_snake_case)]
         #[repr(C)]
         struct REPARSE_MOUNTPOINT_DATA_BUFFER {
             ReparseTag: DWORD,
@@ -165,29 +152,6 @@ pub fn symlink_dir(config: &Config, src: &Path, dest: &Path) -> io::Result<()> {
             ReparseTarget: WCHAR,
         }
 
-        extern "system" {
-            fn CreateFileW(
-                lpFileName: LPCWSTR,
-                dwDesiredAccess: DWORD,
-                dwShareMode: DWORD,
-                lpSecurityAttributes: LPSECURITY_ATTRIBUTES,
-                dwCreationDisposition: DWORD,
-                dwFlagsAndAttributes: DWORD,
-                hTemplateFile: HANDLE,
-            ) -> HANDLE;
-            fn DeviceIoControl(
-                hDevice: HANDLE,
-                dwIoControlCode: DWORD,
-                lpInBuffer: LPVOID,
-                nInBufferSize: DWORD,
-                lpOutBuffer: LPVOID,
-                nOutBufferSize: DWORD,
-                lpBytesReturned: LPDWORD,
-                lpOverlapped: LPOVERLAPPED,
-            ) -> BOOL;
-            fn CloseHandle(hObject: HANDLE) -> BOOL;
-        }
-
         fn to_u16s<S: AsRef<OsStr>>(s: S) -> io::Result<Vec<u16>> {
             Ok(s.as_ref().encode_wide().chain(Some(0)).collect())
         }
@@ -212,7 +176,7 @@ pub fn symlink_dir(config: &Config, src: &Path, dest: &Path) -> io::Result<()> {
                 ptr::null_mut(),
             );
 
-            let mut data = [0u8; MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
+            let mut data = [0u8; MAXIMUM_REPARSE_DATA_BUFFER_SIZE as usize];
             let db = data.as_mut_ptr() as *mut REPARSE_MOUNTPOINT_DATA_BUFFER;
             let buf = &mut (*db).ReparseTarget as *mut u16;
             let mut i = 0;

src/ci/docker/dist-various-2/build-wasi-toolchain.sh

@@ -12,7 +12,7 @@ export PATH=`pwd`/clang+llvm-9.0.0-x86_64-linux-gnu-ubuntu-14.04/bin:$PATH
 git clone https://github.com/CraneStation/wasi-libc
 
 cd wasi-libc
-git reset --hard f645f498dfbbbc00a7a97874d33082d3605c3f21
+git reset --hard 1fad33890a5e299027ce0eab7b6ad5260585e347
 make -j$(nproc) INSTALL_DIR=/wasm32-wasi install
 
 cd ..

src/libcore/fmt/mod.rs

@@ -1244,12 +1244,15 @@ impl<'a> Formatter<'a> {
             // The sign and prefix goes before the padding if the fill character
             // is zero
             Some(min) if self.sign_aware_zero_pad() => {
-                self.fill = '0';
-                self.align = rt::v1::Alignment::Right;
+                let old_fill = crate::mem::replace(&mut self.fill, '0');
+                let old_align = crate::mem::replace(&mut self.align, rt::v1::Alignment::Right);
                 write_prefix(self, sign, prefix)?;
                 let post_padding = self.padding(min - width, rt::v1::Alignment::Right)?;
                 self.buf.write_str(buf)?;
-                post_padding.write(self.buf)
+                post_padding.write(self.buf)?;
+                self.fill = old_fill;
+                self.align = old_align;
+                Ok(())
             }
             // Otherwise, the sign and prefix goes after the padding
             Some(min) => {

src/libcore/tests/fmt/mod.rs

@@ -28,3 +28,18 @@ fn test_estimated_capacity() {
     assert_eq!(format_args!("{}, hello!", "World").estimated_capacity(), 0);
     assert_eq!(format_args!("{}. 16-bytes piece", "World").estimated_capacity(), 32);
 }
+
+#[test]
+fn pad_integral_resets() {
+    struct Bar;
+
+    impl core::fmt::Display for Bar {
+        fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+            "1".fmt(f)?;
+            f.pad_integral(true, "", "5")?;
+            "1".fmt(f)
+        }
+    }
+
+    assert_eq!(format!("{:<03}", Bar), "1  0051  ");
+}

src/librustc/infer/opaque_types/mod.rs

@@ -1219,7 +1219,7 @@ pub fn may_define_opaque_type(tcx: TyCtxt<'_>, def_id: DefId, opaque_hir_id: hir
     let res = hir_id == scope;
     trace!(
         "may_define_opaque_type(def={:?}, opaque_node={:?}) = {}",
-        tcx.hir().get(hir_id),
+        tcx.hir().find(hir_id),
         tcx.hir().get(opaque_hir_id),
         res
     );

src/librustc/lib.rs

@@ -34,7 +34,6 @@
 #![feature(const_transmute)]
 #![feature(core_intrinsics)]
 #![feature(drain_filter)]
-#![cfg_attr(windows, feature(libc))]
 #![feature(never_type)]
 #![feature(exhaustive_patterns)]
 #![feature(overlapping_marker_traits)]

src/librustc/mir/mono.rs

@@ -1,6 +1,7 @@
 use crate::dep_graph::{DepConstructor, DepNode, WorkProduct, WorkProductId};
 use crate::ich::{Fingerprint, NodeIdHashingMode, StableHashingContext};
 use crate::session::config::OptLevel;
+use crate::traits::TraitQueryMode;
 use crate::ty::print::obsolete::DefPathBasedNames;
 use crate::ty::{subst::InternalSubsts, Instance, InstanceDef, SymbolName, TyCtxt};
 use rustc_data_structures::base_n;
@@ -167,7 +168,9 @@ impl<'tcx> MonoItem<'tcx> {
             MonoItem::GlobalAsm(..) => return true,
         };
 
-        tcx.substitute_normalize_and_test_predicates((def_id, &substs))
+        // We shouldn't encounter any overflow here, so we use TraitQueryMode::Standard\
+        // to report an error if overflow somehow occurs.
+        tcx.substitute_normalize_and_test_predicates((def_id, &substs, TraitQueryMode::Standard))
     }
 
     pub fn to_string(&self, tcx: TyCtxt<'tcx>, debug: bool) -> String {

src/librustc/query/mod.rs

@@ -1148,11 +1148,11 @@ rustc_queries! {
             desc { "normalizing `{:?}`", goal }
         }
 
-        query substitute_normalize_and_test_predicates(key: (DefId, SubstsRef<'tcx>)) -> bool {
+        query substitute_normalize_and_test_predicates(key: (DefId, SubstsRef<'tcx>, traits::TraitQueryMode)) -> bool {
             no_force
             desc { |tcx|
-                "testing substituted normalized predicates:`{}`",
-                tcx.def_path_str(key.0)
+                "testing substituted normalized predicates in mode {:?}:`{}`",
+                key.2, tcx.def_path_str(key.0)
             }
         }