Merge branch 'master' of github.com:TheSamsa/rust

Author: TheSamsa

CONTRIBUTING.md

@@ -150,13 +150,13 @@ All pull requests are reviewed by another person. We have a bot,
 request.
 
 If you want to request that a specific person reviews your pull request,
-you can add an `r?` to the message. For example, [Steve][steveklabnik] usually reviews
+you can add an `r?` to the pull request description. For example, [Steve][steveklabnik] usually reviews
 documentation changes. So if you were to make a documentation change, add
 
     r? @steveklabnik
 
-to the end of the message, and @rust-highfive will assign [@steveklabnik][steveklabnik] instead
-of a random person. This is entirely optional.
+to the end of the pull request description, and [@rust-highfive][rust-highfive] will assign
+[@steveklabnik][steveklabnik] instead of a random person. This is entirely optional.
 
 After someone has reviewed your pull request, they will leave an annotation
 on the pull request with an `r+`. It will look something like this:

Cargo.lock

@@ -466,15 +466,17 @@ dependencies = [
  "cargo_metadata 0.9.0",
  "clippy-mini-macro-test",
  "clippy_lints",
- "compiletest_rs 0.4.0",
+ "compiletest_rs",
  "derive-new",
+ "git2",
  "lazy_static 1.3.0",
  "regex",
  "rustc-workspace-hack",
  "rustc_tools_util 0.2.0",
  "semver",
  "serde",
- "tester 0.7.0",
+ "tempfile",
+ "tester",
 ]
 
 [[package]]
@@ -595,28 +597,6 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
-[[package]]
-name = "compiletest_rs"
-version = "0.3.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7d8975604ebad8b6660796802377eb6495045c5606168fc1b8d19a4dd9bfa46"
-dependencies = [
- "diff",
- "filetime",
- "getopts",
- "libc",
- "log",
- "miow 0.3.3",
- "regex",
- "rustfix",
- "serde",
- "serde_derive",
- "serde_json",
- "tempfile",
- "tester 0.6.0",
- "winapi 0.3.8",
-]
-
 [[package]]
 name = "compiletest_rs"
 version = "0.4.0"
@@ -635,7 +615,7 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "tempfile",
- "tester 0.7.0",
+ "tester",
  "winapi 0.3.8",
 ]
 
@@ -1314,7 +1294,7 @@ checksum = "473a1265acc8ff1e808cd0a1af8cee3c2ee5200916058a2ca113c29f2d903571"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi",
+ "wasi 0.7.0",
 ]
 
 [[package]]
@@ -2223,7 +2203,7 @@ dependencies = [
  "byteorder",
  "cargo_metadata 0.9.0",
  "colored",
- "compiletest_rs 0.3.26",
+ "compiletest_rs",
  "directories",
  "env_logger 0.7.1",
  "getrandom",
@@ -3221,9 +3201,11 @@ dependencies = [
  "rustc_data_structures",
  "rustc_error_codes",
  "rustc_errors",
+ "rustc_feature",
  "rustc_fs_util",
  "rustc_index",
  "rustc_macros",
+ "rustc_session",
  "rustc_target",
  "scoped-tls",
  "serialize",
@@ -3537,6 +3519,7 @@ dependencies = [
  "rustc_fs_util",
  "rustc_incremental",
  "rustc_index",
+ "rustc_session",
  "rustc_target",
  "serialize",
  "syntax",
@@ -3596,6 +3579,7 @@ dependencies = [
  "rustc_data_structures",
  "rustc_error_codes",
  "rustc_errors",
+ "rustc_feature",
  "rustc_interface",
  "rustc_lint",
  "rustc_metadata",
@@ -3629,6 +3613,15 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "rustc_feature"
+version = "0.0.0"
+dependencies = [
+ "lazy_static 1.3.0",
+ "rustc_data_structures",
+ "syntax_pos",
+]
+
 [[package]]
 name = "rustc_fs_util"
 version = "0.0.0"
@@ -3643,6 +3636,7 @@ dependencies = [
  "rustc",
  "rustc_data_structures",
  "rustc_fs_util",
+ "rustc_session",
  "serialize",
  "syntax",
  "syntax_pos",
@@ -3704,7 +3698,9 @@ dependencies = [
  "rustc",
  "rustc_data_structures",
  "rustc_error_codes",
+ "rustc_feature",
  "rustc_index",
+ "rustc_session",
  "rustc_target",
  "syntax",
  "syntax_pos",
@@ -3808,8 +3804,8 @@ dependencies = [
  "rustc_data_structures",
  "rustc_error_codes",
  "rustc_errors",
+ "rustc_feature",
  "rustc_lexer",
- "rustc_target",
  "smallvec 1.0.0",
  "syntax",
  "syntax_pos",
@@ -3824,6 +3820,7 @@ dependencies = [
  "rustc_data_structures",
  "rustc_error_codes",
  "rustc_errors",
+ "rustc_feature",
  "rustc_index",
  "rustc_parse",
  "rustc_target",
@@ -3866,6 +3863,7 @@ dependencies = [
  "rustc_data_structures",
  "rustc_error_codes",
  "rustc_errors",
+ "rustc_feature",
  "rustc_metadata",
  "smallvec 1.0.0",
  "syntax",
@@ -3889,6 +3887,22 @@ dependencies = [
  "syntax_pos",
 ]
 
+[[package]]
+name = "rustc_session"
+version = "0.0.0"
+dependencies = [
+ "log",
+ "num_cpus",
+ "rustc_data_structures",
+ "rustc_errors",
+ "rustc_feature",
+ "rustc_fs_util",
+ "rustc_index",
+ "rustc_target",
+ "serialize",
+ "syntax_pos",
+]
+
 [[package]]
 name = "rustc_target"
 version = "0.0.0"
@@ -4306,7 +4320,7 @@ dependencies = [
  "rustc_msan",
  "rustc_tsan",
  "unwind",
- "wasi",
+ "wasi 0.9.0+wasi-snapshot-preview1",
 ]
 
 [[package]]
@@ -4464,9 +4478,11 @@ dependencies = [
  "rustc_data_structures",
  "rustc_error_codes",
  "rustc_errors",
+ "rustc_feature",
  "rustc_index",
  "rustc_lexer",
  "rustc_macros",
+ "rustc_session",
  "scoped-tls",
  "serialize",
  "smallvec 1.0.0",
@@ -4480,6 +4496,7 @@ dependencies = [
  "log",
  "rustc_data_structures",
  "rustc_errors",
+ "rustc_feature",
  "rustc_lexer",
  "rustc_parse",
  "serialize",
@@ -4497,6 +4514,7 @@ dependencies = [
  "rustc_data_structures",
  "rustc_error_codes",
  "rustc_errors",
+ "rustc_feature",
  "rustc_parse",
  "rustc_target",
  "smallvec 1.0.0",
@@ -4621,17 +4639,6 @@ dependencies = [
  "term 0.0.0",
 ]
 
-[[package]]
-name = "tester"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7647e6d732eb84375d8e7abda37818f81861ddbfc7235e33f4983cb254b71e4f"
-dependencies = [
- "getopts",
- "libc",
- "term 0.6.0",
-]
-
 [[package]]
 name = "tester"
 version = "0.7.0"
@@ -5185,6 +5192,12 @@ name = "wasi"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b89c3ce4ce14bdc6fb6beaf9ec7928ca331de5df7e5ea278375642a2f478570d"
+
+[[package]]
+name = "wasi"
+version = "0.9.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 dependencies = [
  "compiler_builtins",
  "rustc-std-workspace-alloc",

src/bootstrap/bootstrap.py

@@ -643,7 +643,9 @@ def build_bootstrap(self):
         env["LIBRARY_PATH"] = os.path.join(self.bin_root(), "lib") + \
             (os.pathsep + env["LIBRARY_PATH"]) \
             if "LIBRARY_PATH" in env else ""
-        env["RUSTFLAGS"] = "-Cdebuginfo=2 "
+        # preserve existing RUSTFLAGS
+        env.setdefault("RUSTFLAGS", "")
+        env["RUSTFLAGS"] += " -Cdebuginfo=2"
 
         build_section = "target.{}".format(self.build_triple())
         target_features = []
@@ -652,13 +654,13 @@ def build_bootstrap(self):
         elif self.get_toml("crt-static", build_section) == "false":
             target_features += ["-crt-static"]
         if target_features:
-            env["RUSTFLAGS"] += "-C target-feature=" + (",".join(target_features)) + " "
+            env["RUSTFLAGS"] += " -C target-feature=" + (",".join(target_features))
         target_linker = self.get_toml("linker", build_section)
         if target_linker is not None:
-            env["RUSTFLAGS"] += "-C linker=" + target_linker + " "
-        env["RUSTFLAGS"] += " -Wrust_2018_idioms -Wunused_lifetimes "
+            env["RUSTFLAGS"] += " -C linker=" + target_linker
+        env["RUSTFLAGS"] += " -Wrust_2018_idioms -Wunused_lifetimes"
         if self.get_toml("deny-warnings", "rust") != "false":
-            env["RUSTFLAGS"] += "-Dwarnings "
+            env["RUSTFLAGS"] += " -Dwarnings"
 
         env["PATH"] = os.path.join(self.bin_root(), "bin") + \
             os.pathsep + env["PATH"]

src/bootstrap/compile.rs

@@ -113,7 +113,7 @@ impl Step for Std {
     }
 }
 
-/// Copies third pary objects needed by various targets.
+/// Copies third party objects needed by various targets.
 fn copy_third_party_objects(builder: &Builder<'_>, compiler: &Compiler, target: Interned<String>)
     -> Vec<PathBuf>
 {

src/bootstrap/install.rs

@@ -260,7 +260,7 @@ install!((self, builder, _config),
     };
     Rustc, "src/librustc", true, only_hosts: true, {
         builder.ensure(dist::Rustc {
-            compiler: self.compiler,
+            compiler: builder.compiler(builder.top_stage, self.target),
         });
         install_rustc(builder, self.compiler.stage, self.target);
     };

src/bootstrap/lib.rs

@@ -810,6 +810,7 @@ impl Build {
                   !target.contains("emscripten") &&
                   !target.contains("wasm32") &&
                   !target.contains("nvptx") &&
+                  !target.contains("fortanix") &&
                   !target.contains("fuchsia") {
             Some(self.cc(target))
         } else {

src/bootstrap/native.rs

@@ -294,11 +294,11 @@ fn check_llvm_version(builder: &Builder<'_>, llvm_config: &Path) {
     let mut parts = version.split('.').take(2)
         .filter_map(|s| s.parse::<u32>().ok());
     if let (Some(major), Some(_minor)) = (parts.next(), parts.next()) {
-        if major >= 6 {
+        if major >= 7 {
             return
         }
     }
-    panic!("\n\nbad LLVM version: {}, need >=6.0\n\n", version)
+    panic!("\n\nbad LLVM version: {}, need >=7.0\n\n", version)
 }
 
 fn configure_cmake(builder: &Builder<'_>,

src/ci/azure-pipelines/auto.yml

@@ -18,7 +18,7 @@ jobs:
   - template: steps/run.yml
   strategy:
     matrix:
-      x86_64-gnu-llvm-6.0:
+      x86_64-gnu-llvm-7:
         RUST_BACKTRACE: 1
       dist-x86_64-linux: {}
       dist-x86_64-linux-alt:

src/ci/azure-pipelines/pr.yml

@@ -18,7 +18,7 @@ jobs:
     - template: steps/run.yml
   strategy:
     matrix:
-      x86_64-gnu-llvm-6.0: {}
+      x86_64-gnu-llvm-7: {}
       mingw-check: {}
       x86_64-gnu-tools:
         CI_ONLY_WHEN_SUBMODULES_CHANGED: 1