Merge branch 'master' into frewsxcv-osstr

Author: frewsxcv

configure

@@ -445,6 +445,7 @@ opt dist-host-only 0 "only install bins for the host architecture"
 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
 opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
 opt codegen-tests 1 "run the src/test/codegen tests"
+opt save-analysis 0 "save API analysis data"
 opt option-checking 1 "complain about unrecognized options in this configure script"
 opt ninja 0 "build LLVM using the Ninja generator (for MSVC, requires building in the correct environment)"
 opt locked-deps 0 "force Cargo.lock to be up to date"

src/bootstrap/config.rs

@@ -74,6 +74,7 @@ pub struct Config {
     pub rustc_default_ar: Option<String>,
     pub rust_optimize_tests: bool,
     pub rust_debuginfo_tests: bool,
+    pub rust_save_analysis: bool,
     pub rust_dist_src: bool,
 
     pub build: String,
@@ -225,6 +226,7 @@ struct Rust {
     optimize_tests: Option<bool>,
     debuginfo_tests: Option<bool>,
     codegen_tests: Option<bool>,
+    save_analysis: Option<bool>,
 }
 
 /// TOML representation of how each build target is configured.
@@ -350,6 +352,7 @@ impl Config {
             set(&mut config.rust_optimize_tests, rust.optimize_tests);
             set(&mut config.rust_debuginfo_tests, rust.debuginfo_tests);
             set(&mut config.codegen_tests, rust.codegen_tests);
+            set(&mut config.rust_save_analysis, rust.save_analysis);
             set(&mut config.rust_rpath, rust.rpath);
             set(&mut config.debug_jemalloc, rust.debug_jemalloc);
             set(&mut config.use_jemalloc, rust.use_jemalloc);
@@ -457,6 +460,7 @@ impl Config {
                 ("LOCAL_REBUILD", self.local_rebuild),
                 ("NINJA", self.ninja),
                 ("CODEGEN_TESTS", self.codegen_tests),
+                ("SAVE_ANALYSIS", self.rust_save_analysis),
                 ("LOCKED_DEPS", self.locked_deps),
                 ("VENDOR", self.vendor),
                 ("FULL_BOOTSTRAP", self.full_bootstrap),

src/bootstrap/config.toml.example

@@ -234,6 +234,9 @@
 # saying that the FileCheck executable is missing, you may want to disable this.
 #codegen-tests = true
 
+# Flag indicating whether the API analysis data should be saved.
+#save-analysis = false
+
 # =============================================================================
 # Options for specific targets
 #

src/bootstrap/dist.rs

@@ -311,18 +311,14 @@ pub fn rust_src_location(build: &Build) -> PathBuf {
 
 /// Creates a tarball of save-analysis metadata, if available.
 pub fn analysis(build: &Build, compiler: &Compiler, target: &str) {
+    if !build.config.rust_save_analysis {
+        return
+    }
+
     println!("Dist analysis");
 
-    if build.config.channel != "nightly" {
-        println!("\tskipping - not on nightly channel");
-        return;
-    }
     if compiler.host != build.config.build {
-        println!("\tskipping - not a build host");
-        return
-    }
-    if compiler.stage != 2 {
-        println!("\tskipping - not stage2");
+        println!("\tskipping, not a build host");
         return
     }
 

src/bootstrap/install.rs

@@ -49,6 +49,10 @@ pub fn install(build: &Build, stage: u32, host: &str) {
         install_sh(&build, "docs", "rust-docs", stage, host, &prefix,
                    &docdir, &libdir, &mandir, &empty_dir);
     }
+    if build.config.rust_save_analysis {
+        install_sh(&build, "analysis", "rust-analysis", stage, host, &prefix,
+                   &docdir, &libdir, &mandir, &empty_dir);
+    }
     install_sh(&build, "std", "rust-std", stage, host, &prefix,
                &docdir, &libdir, &mandir, &empty_dir);
     install_sh(&build, "rustc", "rustc", stage, host, &prefix,

src/bootstrap/lib.rs

@@ -524,7 +524,7 @@ impl Build {
                  .env(format!("CFLAGS_{}", target), self.cflags(target).join(" "));
         }
 
-        if self.config.channel == "nightly" && compiler.is_final_stage(self) {
+        if self.config.rust_save_analysis && compiler.is_final_stage(self) {
             cargo.env("RUSTC_SAVE_ANALYSIS", "api".to_string());
         }
 

src/ci/run.sh

@@ -43,6 +43,7 @@ fi
 if [ "$DEPLOY$DEPLOY_ALT" != "" ]; then
   RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --release-channel=nightly"
   RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --enable-llvm-static-stdcpp"
+  RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --enable-save-analysis"
 
   if [ "$NO_LLVM_ASSERTIONS" = "1" ]; then
     RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --disable-llvm-assertions"

src/libcollections/string.rs

@@ -1974,6 +1974,22 @@ impl<'a> From<&'a str> for String {
     }
 }
 
+// note: test pulls in libstd, which causes errors here
+#[cfg(not(test))]
+#[stable(feature = "string_from_box", since = "1.17.0")]
+impl From<Box<str>> for String {
+    fn from(s: Box<str>) -> String {
+        s.into_string()
+    }
+}
+
+#[stable(feature = "box_from_str", since = "1.17.0")]
+impl Into<Box<str>> for String {
+    fn into(self) -> Box<str> {
+        self.into_boxed_str()
+    }
+}
+
 #[stable(feature = "string_from_cow_str", since = "1.14.0")]
 impl<'a> From<Cow<'a, str>> for String {
     fn from(s: Cow<'a, str>) -> String {

src/libcollections/vec.rs

@@ -1897,6 +1897,22 @@ impl<'a, T> From<Cow<'a, [T]>> for Vec<T> where [T]: ToOwned<Owned=Vec<T>> {
     }
 }
 
+// note: test pulls in libstd, which causes errors here
+#[cfg(not(test))]
+#[stable(feature = "vec_from_box", since = "1.17.0")]
+impl<T> From<Box<[T]>> for Vec<T> {
+    fn from(s: Box<[T]>) -> Vec<T> {
+        s.into_vec()
+    }
+}
+
+#[stable(feature = "box_from_vec", since = "1.17.0")]
+impl<T> Into<Box<[T]>> for Vec<T> {
+    fn into(self) -> Box<[T]> {
+        self.into_boxed_slice()
+    }
+}
+
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<'a> From<&'a str> for Vec<u8> {
     fn from(s: &'a str) -> Vec<u8> {

src/libcollectionstest/lib.rs

@@ -28,6 +28,7 @@
 #![feature(test)]
 #![feature(unboxed_closures)]
 #![feature(unicode)]
+#![feature(utf8_error_error_len)]
 
 extern crate collections;
 extern crate test;