Auto merge of #113105 - matthiaskrgr:rollup-rci0uym, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #112207 (Add trustzone and virtualization target features for aarch32.)
 - #112454 (Make compiletest aware of targets without dynamic linking)
 - #112628 (Allow comparing `Box`es with different allocators)
 - #112692 (Provide more context for `rustc +nightly -Zunstable-options` on stable)
 - #112972 (Make `UnwindAction::Continue` explicit in MIR dump)
 - #113020 (Add tests impl via obj unless denied)
 - #113084 (Simplify some conditions)
 - #113103 (Normalize types when applying uninhabited predicate.)

r? `@ghost`
`@rustbot` modify labels: rollup

compiler/rustc_ast_passes/src/ast_validation.rs

@@ -623,13 +623,12 @@ impl<'a> AstValidator<'a> {
     fn maybe_lint_missing_abi(&mut self, span: Span, id: NodeId) {
         // FIXME(davidtwco): This is a hack to detect macros which produce spans of the
         // call site which do not have a macro backtrace. See #61963.
-        let is_macro_callsite = self
+        if self
             .session
             .source_map()
             .span_to_snippet(span)
-            .map(|snippet| snippet.starts_with("#["))
-            .unwrap_or(true);
-        if !is_macro_callsite {
+            .is_ok_and(|snippet| !snippet.starts_with("#["))
+        {
             self.lint_buffer.buffer_lint_with_diagnostic(
                 MISSING_ABI,
                 id,

compiler/rustc_codegen_cranelift/src/pretty_clif.rs

@@ -225,10 +225,10 @@ pub(crate) fn write_ir_file(
     let res = std::fs::File::create(clif_file_name).and_then(|mut file| write(&mut file));
     if let Err(err) = res {
         // Using early_warn as no Session is available here
-        rustc_session::early_warn(
+        let handler = rustc_session::EarlyErrorHandler::new(
             rustc_session::config::ErrorOutputType::default(),
-            format!("error writing ir file: {}", err),
         );
+        handler.early_warn(format!("error writing ir file: {}", err));
     }
 }
 

compiler/rustc_codegen_ssa/src/target_features.rs

@@ -44,6 +44,7 @@ const ARM_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
     // #[target_feature].
     ("thumb-mode", Some(sym::arm_target_feature)),
     ("thumb2", Some(sym::arm_target_feature)),
+    ("trustzone", Some(sym::arm_target_feature)),
     ("v5te", Some(sym::arm_target_feature)),
     ("v6", Some(sym::arm_target_feature)),
     ("v6k", Some(sym::arm_target_feature)),
@@ -53,6 +54,7 @@ const ARM_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
     ("vfp2", Some(sym::arm_target_feature)),
     ("vfp3", Some(sym::arm_target_feature)),
     ("vfp4", Some(sym::arm_target_feature)),
+    ("virtualization", Some(sym::arm_target_feature)),
     // tidy-alphabetical-end
 ];
 

compiler/rustc_driver_impl/src/args.rs

@@ -3,6 +3,8 @@ use std::fmt;
 use std::fs;
 use std::io;
 
+use rustc_session::EarlyErrorHandler;
+
 fn arg_expand(arg: String) -> Result<Vec<String>, Error> {
     if let Some(path) = arg.strip_prefix('@') {
         let file = match fs::read_to_string(path) {
@@ -21,15 +23,12 @@ fn arg_expand(arg: String) -> Result<Vec<String>, Error> {
 /// **Note:** This function doesn't interpret argument 0 in any special way.
 /// If this function is intended to be used with command line arguments,
 /// `argv[0]` must be removed prior to calling it manually.
-pub fn arg_expand_all(at_args: &[String]) -> Vec<String> {
+pub fn arg_expand_all(handler: &EarlyErrorHandler, at_args: &[String]) -> Vec<String> {
     let mut args = Vec::new();
     for arg in at_args {
         match arg_expand(arg.clone()) {
             Ok(arg) => args.extend(arg),
-            Err(err) => rustc_session::early_error(
-                rustc_session::config::ErrorOutputType::default(),
-                format!("Failed to load argument file: {err}"),
-            ),
+            Err(err) => handler.early_error(format!("Failed to load argument file: {err}")),
         }
     }
     args