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

4 files changed, 19 insertions, 67 deletions

diff --git a/src/librustc_data_structures/Cargo.toml b/src/librustc_data_structures/Cargo.toml
index 19db9834fd4..fb4f818c4b2 100644
--- a/src/librustc_data_structures/Cargo.toml
+++ b/src/librustc_data_structures/Cargo.toml
@@ -31,3 +31,6 @@ measureme = "0.7.1"
 [dependencies.parking_lot]
 version = "0.9"
 features = ["nightly"]
+
+[target.'cfg(windows)'.dependencies]
+winapi = { version = "0.3", features = ["fileapi", "psapi"] }
diff --git a/src/librustc_data_structures/flock.rs b/src/librustc_data_structures/flock.rs
index e3282c5d276..2a0139fa90d 100644
--- a/src/librustc_data_structures/flock.rs
+++ b/src/librustc_data_structures/flock.rs
@@ -87,39 +87,11 @@ cfg_if! {
     } else if #[cfg(windows)] {
         use std::mem;
         use std::os::windows::prelude::*;
-        use std::os::windows::raw::HANDLE;
         use std::fs::{File, OpenOptions};
-        use std::os::raw::{c_ulong, c_int};
-
-        type DWORD = c_ulong;
-        type BOOL = c_int;
-        type ULONG_PTR = usize;
-
-        type LPOVERLAPPED = *mut OVERLAPPED;
-        const LOCKFILE_EXCLUSIVE_LOCK: DWORD = 0x0000_0002;
-        const LOCKFILE_FAIL_IMMEDIATELY: DWORD = 0x0000_0001;
-
-        const FILE_SHARE_DELETE: DWORD = 0x4;
-        const FILE_SHARE_READ: DWORD = 0x1;
-        const FILE_SHARE_WRITE: DWORD = 0x2;
-
-        #[repr(C)]
-        struct OVERLAPPED {
-            Internal: ULONG_PTR,
-            InternalHigh: ULONG_PTR,
-            Offset: DWORD,
-            OffsetHigh: DWORD,
-            hEvent: HANDLE,
-        }
 
-        extern "system" {
-            fn LockFileEx(hFile: HANDLE,
-                          dwFlags: DWORD,
-                          dwReserved: DWORD,
-                          nNumberOfBytesToLockLow: DWORD,
-                          nNumberOfBytesToLockHigh: DWORD,
-                          lpOverlapped: LPOVERLAPPED) -> BOOL;
-        }
+        use winapi::um::minwinbase::{OVERLAPPED, LOCKFILE_FAIL_IMMEDIATELY, LOCKFILE_EXCLUSIVE_LOCK};
+        use winapi::um::fileapi::LockFileEx;
+        use winapi::um::winnt::{FILE_SHARE_DELETE, FILE_SHARE_READ, FILE_SHARE_WRITE};
 
         #[derive(Debug)]
         pub struct Lock {
diff --git a/src/librustc_data_structures/lib.rs b/src/librustc_data_structures/lib.rs
index 51a38a7d2ab..6db2910bca4 100644
--- a/src/librustc_data_structures/lib.rs
+++ b/src/librustc_data_structures/lib.rs
@@ -33,9 +33,6 @@ extern crate libc;
 #[macro_use]
 extern crate cfg_if;
 
-#[cfg(windows)]
-extern crate libc;
-
 pub use rustc_serialize::hex::ToHex;
 
 #[inline(never)]
diff --git a/src/librustc_data_structures/profiling.rs b/src/librustc_data_structures/profiling.rs
index 8deb43d50f9..004db0a79a8 100644
--- a/src/librustc_data_structures/profiling.rs
+++ b/src/librustc_data_structures/profiling.rs
@@ -569,39 +569,19 @@ fn get_resident() -> Option<usize> {
 
 #[cfg(windows)]
 fn get_resident() -> Option<usize> {
-    type BOOL = i32;
-    type DWORD = u32;
-    type HANDLE = *mut u8;
-    use libc::size_t;
-    #[repr(C)]
-    #[allow(non_snake_case)]
-    struct PROCESS_MEMORY_COUNTERS {
-        cb: DWORD,
-        PageFaultCount: DWORD,
-        PeakWorkingSetSize: size_t,
-        WorkingSetSize: size_t,
-        QuotaPeakPagedPoolUsage: size_t,
-        QuotaPagedPoolUsage: size_t,
-        QuotaPeakNonPagedPoolUsage: size_t,
-        QuotaNonPagedPoolUsage: size_t,
-        PagefileUsage: size_t,
-        PeakPagefileUsage: size_t,
-    }
-    #[allow(non_camel_case_types)]
-    type PPROCESS_MEMORY_COUNTERS = *mut PROCESS_MEMORY_COUNTERS;
-    #[link(name = "psapi")]
-    extern "system" {
-        fn GetCurrentProcess() -> HANDLE;
-        fn GetProcessMemoryInfo(
-            Process: HANDLE,
-            ppsmemCounters: PPROCESS_MEMORY_COUNTERS,
-            cb: DWORD,
-        ) -> BOOL;
-    }
-    let mut pmc: PROCESS_MEMORY_COUNTERS = unsafe { std::mem::zeroed() };
-    pmc.cb = std::mem::size_of_val(&pmc) as DWORD;
-    match unsafe { GetProcessMemoryInfo(GetCurrentProcess(), &mut pmc, pmc.cb) } {
+    use std::mem::{self, MaybeUninit};
+    use winapi::shared::minwindef::DWORD;
+    use winapi::um::processthreadsapi::GetCurrentProcess;
+    use winapi::um::psapi::{GetProcessMemoryInfo, PROCESS_MEMORY_COUNTERS};
+
+    let mut pmc = MaybeUninit::<PROCESS_MEMORY_COUNTERS>::uninit();
+    match unsafe {
+        GetProcessMemoryInfo(GetCurrentProcess(), pmc.as_mut_ptr(), mem::size_of_val(&pmc) as DWORD)
+    } {
         0 => None,
-        _ => Some(pmc.WorkingSetSize as usize),
+        _ => {
+            let pmc = unsafe { pmc.assume_init() };
+            Some(pmc.WorkingSetSize as usize)
+        }
     }
 }