Merging upstream version 1.67.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 58 insertions, 28 deletions

diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs
index cfa734c7d..f06ca5a07 100644
--- a/compiler/rustc_driver/src/lib.rs
+++ b/compiler/rustc_driver/src/lib.rs
@@ -5,7 +5,9 @@
 //! This API is completely unstable and subject to change.
 
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
+#![feature(is_terminal)]
 #![feature(once_cell)]
+#![feature(decl_macro)]
 #![recursion_limit = "256"]
 #![allow(rustc::potential_query_instability)]
 #![deny(rustc::untranslatable_diagnostic)]
@@ -23,10 +25,10 @@ use rustc_data_structures::sync::SeqCst;
 use rustc_errors::registry::{InvalidErrorCode, Registry};
 use rustc_errors::{ErrorGuaranteed, PResult};
 use rustc_feature::find_gated_cfg;
+use rustc_hir::def_id::LOCAL_CRATE;
 use rustc_interface::util::{self, collect_crate_types, get_codegen_backend};
 use rustc_interface::{interface, Queries};
 use rustc_lint::LintStore;
-use rustc_log::stdout_isatty;
 use rustc_metadata::locator;
 use rustc_save_analysis as save;
 use rustc_save_analysis::DumpHandler;
@@ -47,7 +49,7 @@ use std::default::Default;
 use std::env;
 use std::ffi::OsString;
 use std::fs;
-use std::io::{self, Read, Write};
+use std::io::{self, IsTerminal, Read, Write};
 use std::panic::{self, catch_unwind};
 use std::path::PathBuf;
 use std::process::{self, Command, Stdio};
@@ -244,10 +246,8 @@ fn run_compiler(
                 interface::run_compiler(config, |compiler| {
                     let sopts = &compiler.session().opts;
                     if sopts.describe_lints {
-                        let mut lint_store = rustc_lint::new_lint_store(
-                            sopts.unstable_opts.no_interleave_lints,
-                            compiler.session().enable_internal_lints(),
-                        );
+                        let mut lint_store =
+                            rustc_lint::new_lint_store(compiler.session().enable_internal_lints());
                         let registered_lints =
                             if let Some(register_lints) = compiler.register_lints() {
                                 register_lints(compiler.session(), &mut lint_store);
@@ -317,7 +317,7 @@ fn run_compiler(
                             compiler.input(),
                             &*expanded_crate,
                             *ppm,
-                            compiler.output_file().as_ref().map(|p| &**p),
+                            compiler.output_file().as_deref(),
                         );
                         Ok(())
                     })?;
@@ -328,7 +328,7 @@ fn run_compiler(
                         compiler.input(),
                         &krate,
                         *ppm,
-                        compiler.output_file().as_ref().map(|p| &**p),
+                        compiler.output_file().as_deref(),
                     );
                 }
                 trace!("finished pretty-printing");
@@ -375,17 +375,14 @@ fn run_compiler(
             queries.global_ctxt()?.peek_mut().enter(|tcx| {
                 let result = tcx.analysis(());
                 if sess.opts.unstable_opts.save_analysis {
-                    let crate_name = queries.crate_name()?.peek().clone();
+                    let crate_name = tcx.crate_name(LOCAL_CRATE);
                     sess.time("save_analysis", || {
                         save::process_crate(
                             tcx,
-                            &crate_name,
+                            crate_name,
                             compiler.input(),
                             None,
-                            DumpHandler::new(
-                                compiler.output_dir().as_ref().map(|p| &**p),
-                                &crate_name,
-                            ),
+                            DumpHandler::new(compiler.output_dir().as_deref(), crate_name),
                         )
                     });
                 }
@@ -514,7 +511,7 @@ fn handle_explain(registry: Registry, code: &str, output: ErrorOutputType) {
                 }
                 text.push('\n');
             }
-            if stdout_isatty() {
+            if io::stdout().is_terminal() {
                 show_content_with_pager(&text);
             } else {
                 print!("{}", text);
@@ -682,7 +679,7 @@ fn print_crate_info(
                 let crate_types = collect_crate_types(sess, attrs);
                 for &style in &crate_types {
                     let fname =
-                        rustc_session::output::filename_for_input(sess, style, &id, &t_outputs);
+                        rustc_session::output::filename_for_input(sess, style, id, &t_outputs);
                     println!("{}", fname.file_name().unwrap().to_string_lossy());
                 }
             }
@@ -736,26 +733,58 @@ fn print_crate_info(
             // Any output here interferes with Cargo's parsing of other printed output
             NativeStaticLibs => {}
             LinkArgs => {}
+            SplitDebuginfo => {
+                use rustc_target::spec::SplitDebuginfo::{Off, Packed, Unpacked};
+
+                for split in &[Off, Packed, Unpacked] {
+                    let stable = sess.target.options.supported_split_debuginfo.contains(split);
+                    let unstable_ok = sess.unstable_options();
+                    if stable || unstable_ok {
+                        println!("{}", split);
+                    }
+                }
+            }
         }
     }
     Compilation::Stop
 }
 
 /// Prints version information
-pub fn version(binary: &str, matches: &getopts::Matches) {
+///
+/// NOTE: this is a macro to support drivers built at a different time than the main `rustc_driver` crate.
+pub macro version($binary: literal, $matches: expr) {
+    fn unw(x: Option<&str>) -> &str {
+        x.unwrap_or("unknown")
+    }
+    $crate::version_at_macro_invocation(
+        $binary,
+        $matches,
+        unw(option_env!("CFG_VERSION")),
+        unw(option_env!("CFG_VER_HASH")),
+        unw(option_env!("CFG_VER_DATE")),
+        unw(option_env!("CFG_RELEASE")),
+    )
+}
+
+#[doc(hidden)] // use the macro instead
+pub fn version_at_macro_invocation(
+    binary: &str,
+    matches: &getopts::Matches,
+    version: &str,
+    commit_hash: &str,
+    commit_date: &str,
+    release: &str,
+) {
     let verbose = matches.opt_present("verbose");
 
-    println!("{} {}", binary, util::version_str().unwrap_or("unknown version"));
+    println!("{} {}", binary, version);
 
     if verbose {
-        fn unw(x: Option<&str>) -> &str {
-            x.unwrap_or("unknown")
-        }
         println!("binary: {}", binary);
-        println!("commit-hash: {}", unw(util::commit_hash_str()));
-        println!("commit-date: {}", unw(util::commit_date_str()));
+        println!("commit-hash: {}", commit_hash);
+        println!("commit-date: {}", commit_date);
         println!("host: {}", config::host_triple());
-        println!("release: {}", unw(util::release_str()));
+        println!("release: {}", release);
 
         let debug_flags = matches.opt_strs("Z");
         let backend_name = debug_flags.iter().find_map(|x| x.strip_prefix("codegen-backend="));
@@ -1071,7 +1100,7 @@ pub fn handle_options(args: &[String]) -> Option<getopts::Matches> {
     }
 
     if matches.opt_present("version") {
-        version("rustc", &matches);
+        version!("rustc", &matches);
         return None;
     }
 
@@ -1200,6 +1229,7 @@ pub fn report_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) {
         false,
         None,
         false,
+        false,
     ));
     let handler = rustc_errors::Handler::with_emitter(true, None, emitter);
 
@@ -1215,7 +1245,7 @@ pub fn report_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) {
         format!("we would appreciate a bug report: {}", bug_report_url).into(),
         format!(
             "rustc {} running on {}",
-            util::version_str().unwrap_or("unknown_version"),
+            util::version_str!().unwrap_or("unknown_version"),
             config::host_triple()
         )
         .into(),
@@ -1305,8 +1335,8 @@ mod signal_handler {
         }
     }
 
-    // When an error signal (such as SIGABRT or SIGSEGV) is delivered to the
-    // process, print a stack trace and then exit.
+    /// When an error signal (such as SIGABRT or SIGSEGV) is delivered to the
+    /// process, print a stack trace and then exit.
     pub(super) fn install() {
         unsafe {
             const ALT_STACK_SIZE: usize = libc::MINSIGSTKSZ + 64 * 1024;