Auto merge of #62961 - Centril:rollup-kydeswa, r=Centril

Rollup of 9 pull requests

Successful merges:

 - #61727 (Add binary dependencies to dep-info files)
 - #62736 (Polonius: fix some cases of `killed` fact generation, and most of the `ui` test suite)
 - #62758 (ci: Install clang on Windows through tarballs)
 - #62784 (Add riscv32i-unknown-none-elf target)
 - #62814 (add support for hexagon-unknown-linux-musl)
 - #62827 (Don't link mcjit/interpreter LLVM components)
 - #62901 (cleanup: Remove `extern crate serialize as rustc_serialize`s)
 - #62903 (Support SDKROOT env var on iOS)
 - #62906 (Require a value for configure --debuginfo-level)

Failed merges:

 - #62910 (cleanup: Remove lint annotations in specific crates that are already enforced by rustbuild)

r? @ghost

4 files changed, 65 insertions, 1 deletions

diff --git a/src/libstd/env.rs b/src/libstd/env.rs
index 00e840a53e9..1f5de25b65c 100644
--- a/src/libstd/env.rs
+++ b/src/libstd/env.rs
@@ -975,6 +975,11 @@ mod arch {
     pub const ARCH: &str = "wasm32";
 }
 
+#[cfg(target_arch = "hexagon")]
+mod arch {
+    pub const ARCH: &'static str = "hexagon";
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/src/libstd/os/linux/raw.rs b/src/libstd/os/linux/raw.rs
index 77eeacb4b47..21e1cf8a22b 100644
--- a/src/libstd/os/linux/raw.rs
+++ b/src/libstd/os/linux/raw.rs
@@ -147,6 +147,62 @@ mod arch {
     }
 }
 
+#[cfg(target_arch = "hexagon")]
+mod arch {
+    use crate::os::raw::{c_long, c_int, c_longlong, culonglong};
+
+    #[stable(feature = "raw_ext", since = "1.1.0")] pub type blkcnt_t = c_longlong;
+    #[stable(feature = "raw_ext", since = "1.1.0")] pub type blksize_t = c_long;
+    #[stable(feature = "raw_ext", since = "1.1.0")] pub type ino_t = c_ulonglong;
+    #[stable(feature = "raw_ext", since = "1.1.0")] pub type nlink_t = c_uint;
+    #[stable(feature = "raw_ext", since = "1.1.0")] pub type off_t = c_longlong;
+    #[stable(feature = "raw_ext", since = "1.1.0")] pub type time_t = c_long;
+
+    #[repr(C)]
+    #[derive(Clone)]
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub struct stat {
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_dev: ::dev_t,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_ino: ::c_ulonglong,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_mode: ::c_uint,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_nlink: ::c_uint,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_uid: ::c_uint,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_gid: ::c_uint,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_rdev: ::c_ulonglong,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub __pad1: ::c_ulong,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_size: ::c_longlong,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_blksize: ::blksize_t,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub __pad2: ::c_int,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_blocks: ::blkcnt_t,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_atime: ::time_t,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_atime_nsec: ::c_long,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_mtime: ::time_t,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_mtime_nsec: ::c_long,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_ctime: ::time_t,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub st_ctime_nsec: ::c_long,
+        #[stable(feature = "raw_ext", since = "1.1.0")]
+        pub __pad3: [::c_int;2],
+    }
+}
+
 #[cfg(any(target_arch = "mips64",
           target_arch = "s390x",
           target_arch = "sparc64"))]
diff --git a/src/libstd/os/raw/mod.rs b/src/libstd/os/raw/mod.rs
index c0b0b6d40d8..cf8be393a40 100644
--- a/src/libstd/os/raw/mod.rs
+++ b/src/libstd/os/raw/mod.rs
@@ -11,6 +11,7 @@
 #[doc(include = "os/raw/char.md")]
 #[cfg(any(all(target_os = "linux", any(target_arch = "aarch64",
                                        target_arch = "arm",
+                                       target_arch = "hexagon",
                                        target_arch = "powerpc",
                                        target_arch = "powerpc64",
                                        target_arch = "s390x")),
@@ -34,6 +35,7 @@
 #[doc(include = "os/raw/char.md")]
 #[cfg(not(any(all(target_os = "linux", any(target_arch = "aarch64",
                                            target_arch = "arm",
+                                           target_arch = "hexagon",
                                            target_arch = "powerpc",
                                            target_arch = "powerpc64",
                                            target_arch = "s390x")),
diff --git a/src/libstd/sys_common/alloc.rs b/src/libstd/sys_common/alloc.rs
index 978a70bee09..1cfc7ed17f2 100644
--- a/src/libstd/sys_common/alloc.rs
+++ b/src/libstd/sys_common/alloc.rs
@@ -12,7 +12,8 @@ use crate::ptr;
               target_arch = "powerpc",
               target_arch = "powerpc64",
               target_arch = "asmjs",
-              target_arch = "wasm32")))]
+              target_arch = "wasm32",
+              target_arch = "hexagon")))]
 pub const MIN_ALIGN: usize = 8;
 #[cfg(all(any(target_arch = "x86_64",
               target_arch = "aarch64",