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-rw-r--r--compiler/rustc_codegen_cranelift/src/common.rs6
-rw-r--r--compiler/rustc_codegen_ssa/src/mir/block.rs6
-rw-r--r--compiler/rustc_const_eval/src/interpret/eval_context.rs15
-rw-r--r--compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs6
-rw-r--r--compiler/rustc_errors/src/emitter.rs5
-rw-r--r--compiler/rustc_middle/src/lint.rs3
-rw-r--r--compiler/rustc_middle/src/ty/mod.rs4
-rw-r--r--compiler/rustc_mir_transform/src/inline.rs18
-rw-r--r--compiler/rustc_span/src/hygiene.rs4
-rw-r--r--compiler/rustc_span/src/lib.rs6
10 files changed, 21 insertions, 52 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/common.rs b/compiler/rustc_codegen_cranelift/src/common.rs
index ccb3a0c4f27..5eaa988dd09 100644
--- a/compiler/rustc_codegen_cranelift/src/common.rs
+++ b/compiler/rustc_codegen_cranelift/src/common.rs
@@ -413,11 +413,7 @@ impl<'tcx> FunctionCx<'_, '_, 'tcx> {
 
     // Note: must be kept in sync with get_caller_location from cg_ssa
     pub(crate) fn get_caller_location(&mut self, mut source_info: mir::SourceInfo) -> CValue<'tcx> {
-        let span_to_caller_location = |fx: &mut FunctionCx<'_, '_, 'tcx>, mut span: Span| {
-            // Remove `Inlined` marks as they pollute `expansion_cause`.
-            while span.is_inlined() {
-                span.remove_mark();
-            }
+        let span_to_caller_location = |fx: &mut FunctionCx<'_, '_, 'tcx>, span: Span| {
             let topmost = span.ctxt().outer_expn().expansion_cause().unwrap_or(span);
             let caller = fx.tcx.sess.source_map().lookup_char_pos(topmost.lo());
             let const_loc = fx.tcx.const_caller_location((
diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs
index 1f5f5b69d4d..d516ac4ebb7 100644
--- a/compiler/rustc_codegen_ssa/src/mir/block.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/block.rs
@@ -1450,11 +1450,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
     ) -> OperandRef<'tcx, Bx::Value> {
         let tcx = bx.tcx();
 
-        let mut span_to_caller_location = |mut span: Span| {
-            // Remove `Inlined` marks as they pollute `expansion_cause`.
-            while span.is_inlined() {
-                span.remove_mark();
-            }
+        let mut span_to_caller_location = |span: Span| {
             let topmost = span.ctxt().outer_expn().expansion_cause().unwrap_or(span);
             let caller = tcx.sess.source_map().lookup_char_pos(topmost.lo());
             let const_loc = tcx.const_caller_location((
diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs
index 040eba10eb4..7e94578003e 100644
--- a/compiler/rustc_const_eval/src/interpret/eval_context.rs
+++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs
@@ -949,7 +949,20 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
         // This deliberately does *not* honor `requires_caller_location` since it is used for much
         // more than just panics.
         for frame in stack.iter().rev() {
-            let span = frame.current_span();
+            let span = match frame.loc {
+                Left(loc) => {
+                    // If the stacktrace passes through MIR-inlined source scopes, add them.
+                    let mir::SourceInfo { mut span, scope } = *frame.body.source_info(loc);
+                    let mut scope_data = &frame.body.source_scopes[scope];
+                    while let Some((instance, call_span)) = scope_data.inlined {
+                        frames.push(FrameInfo { span, instance });
+                        span = call_span;
+                        scope_data = &frame.body.source_scopes[scope_data.parent_scope.unwrap()];
+                    }
+                    span
+                }
+                Right(span) => span,
+            };
             frames.push(FrameInfo { span, instance: frame.instance });
         }
         trace!("generate stacktrace: {:#?}", frames);
diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs b/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs
index 3701eb93ec8..df5b581000b 100644
--- a/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs
+++ b/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs
@@ -111,11 +111,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
         location
     }
 
-    pub(crate) fn location_triple_for_span(&self, mut span: Span) -> (Symbol, u32, u32) {
-        // Remove `Inlined` marks as they pollute `expansion_cause`.
-        while span.is_inlined() {
-            span.remove_mark();
-        }
+    pub(crate) fn location_triple_for_span(&self, span: Span) -> (Symbol, u32, u32) {
         let topmost = span.ctxt().outer_expn().expansion_cause().unwrap_or(span);
         let caller = self.tcx.sess.source_map().lookup_char_pos(topmost.lo());
         (
diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs
index 6d944e51314..e8cd7eaa60f 100644
--- a/compiler/rustc_errors/src/emitter.rs
+++ b/compiler/rustc_errors/src/emitter.rs
@@ -332,7 +332,7 @@ pub trait Emitter: Translate {
 
                     // Skip past non-macro entries, just in case there
                     // are some which do actually involve macros.
-                    ExpnKind::Inlined | ExpnKind::Desugaring(..) | ExpnKind::AstPass(..) => None,
+                    ExpnKind::Desugaring(..) | ExpnKind::AstPass(..) => None,
 
                     ExpnKind::Macro(macro_kind, name) => Some((macro_kind, name)),
                 }
@@ -403,7 +403,7 @@ pub trait Emitter: Translate {
                     continue;
                 }
 
-                if always_backtrace && !matches!(trace.kind, ExpnKind::Inlined) {
+                if always_backtrace {
                     new_labels.push((
                         trace.def_site,
                         format!(
@@ -442,7 +442,6 @@ pub trait Emitter: Translate {
                             "this derive macro expansion".into()
                         }
                         ExpnKind::Macro(MacroKind::Bang, _) => "this macro invocation".into(),
-                        ExpnKind::Inlined => "this inlined function call".into(),
                         ExpnKind::Root => "the crate root".into(),
                         ExpnKind::AstPass(kind) => kind.descr().into(),
                         ExpnKind::Desugaring(kind) => {
diff --git a/compiler/rustc_middle/src/lint.rs b/compiler/rustc_middle/src/lint.rs
index c266584ac28..14343ac1108 100644
--- a/compiler/rustc_middle/src/lint.rs
+++ b/compiler/rustc_middle/src/lint.rs
@@ -468,8 +468,7 @@ pub fn struct_lint_level(
 pub fn in_external_macro(sess: &Session, span: Span) -> bool {
     let expn_data = span.ctxt().outer_expn_data();
     match expn_data.kind {
-        ExpnKind::Inlined
-        | ExpnKind::Root
+        ExpnKind::Root
         | ExpnKind::Desugaring(
             DesugaringKind::ForLoop | DesugaringKind::WhileLoop | DesugaringKind::OpaqueTy,
         ) => false,
diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs
index 73f435d4840..a8d0dca37ff 100644
--- a/compiler/rustc_middle/src/ty/mod.rs
+++ b/compiler/rustc_middle/src/ty/mod.rs
@@ -2488,9 +2488,7 @@ impl<'tcx> TyCtxt<'tcx> {
             && if self.features().collapse_debuginfo {
                 span.in_macro_expansion_with_collapse_debuginfo()
             } else {
-                // Inlined spans should not be collapsed as that leads to all of the
-                // inlined code being attributed to the inline callsite.
-                span.from_expansion() && !span.is_inlined()
+                span.from_expansion()
             }
     }
 
diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs
index 6c2e22a70b9..1748b1bf4a0 100644
--- a/compiler/rustc_mir_transform/src/inline.rs
+++ b/compiler/rustc_mir_transform/src/inline.rs
@@ -10,7 +10,6 @@ use rustc_middle::mir::*;
 use rustc_middle::ty::TypeVisitableExt;
 use rustc_middle::ty::{self, Instance, InstanceDef, ParamEnv, Ty, TyCtxt};
 use rustc_session::config::OptLevel;
-use rustc_span::{hygiene::ExpnKind, ExpnData, LocalExpnId, Span};
 use rustc_target::abi::{FieldIdx, FIRST_VARIANT};
 use rustc_target::spec::abi::Abi;
 
@@ -551,16 +550,6 @@ impl<'tcx> Inliner<'tcx> {
                 // Copy the arguments if needed.
                 let args: Vec<_> = self.make_call_args(args, &callsite, caller_body, &callee_body);
 
-                let mut expn_data = ExpnData::default(
-                    ExpnKind::Inlined,
-                    callsite.source_info.span,
-                    self.tcx.sess.edition(),
-                    None,
-                    None,
-                );
-                expn_data.def_site = callee_body.span;
-                let expn_data =
-                    self.tcx.with_stable_hashing_context(|hcx| LocalExpnId::fresh(expn_data, hcx));
                 let mut integrator = Integrator {
                     args: &args,
                     new_locals: Local::new(caller_body.local_decls.len())..,
@@ -572,7 +561,6 @@ impl<'tcx> Inliner<'tcx> {
                     cleanup_block: unwind,
                     in_cleanup_block: false,
                     tcx: self.tcx,
-                    expn_data,
                     always_live_locals: BitSet::new_filled(callee_body.local_decls.len()),
                 };
 
@@ -956,7 +944,6 @@ struct Integrator<'a, 'tcx> {
     cleanup_block: UnwindAction,
     in_cleanup_block: bool,
     tcx: TyCtxt<'tcx>,
-    expn_data: LocalExpnId,
     always_live_locals: BitSet<Local>,
 }
 
@@ -1042,11 +1029,6 @@ impl<'tcx> MutVisitor<'tcx> for Integrator<'_, 'tcx> {
         *scope = self.map_scope(*scope);
     }
 
-    fn visit_span(&mut self, span: &mut Span) {
-        // Make sure that all spans track the fact that they were inlined.
-        *span = span.fresh_expansion(self.expn_data);
-    }
-
     fn visit_basic_block_data(&mut self, block: BasicBlock, data: &mut BasicBlockData<'tcx>) {
         self.in_cleanup_block = data.is_cleanup;
         self.super_basic_block_data(block, data);
diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs
index c669b64dd2c..6755657c727 100644
--- a/compiler/rustc_span/src/hygiene.rs
+++ b/compiler/rustc_span/src/hygiene.rs
@@ -320,7 +320,6 @@ impl ExpnId {
             // Stop going up the backtrace once include! is encountered
             if expn_data.is_root()
                 || expn_data.kind == ExpnKind::Macro(MacroKind::Bang, sym::include)
-                || expn_data.kind == ExpnKind::Inlined
             {
                 break;
             }
@@ -1058,8 +1057,6 @@ pub enum ExpnKind {
     AstPass(AstPass),
     /// Desugaring done by the compiler during HIR lowering.
     Desugaring(DesugaringKind),
-    /// MIR inlining
-    Inlined,
 }
 
 impl ExpnKind {
@@ -1073,7 +1070,6 @@ impl ExpnKind {
             },
             ExpnKind::AstPass(kind) => kind.descr().to_string(),
             ExpnKind::Desugaring(kind) => format!("desugaring of {}", kind.descr()),
-            ExpnKind::Inlined => "inlined source".to_string(),
         }
     }
 }
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index 3d3833dfdab..eae3f0fa041 100644
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -594,12 +594,6 @@ impl Span {
         matches!(outer_expn.kind, ExpnKind::Macro(..)) && outer_expn.collapse_debuginfo
     }
 
-    /// Returns `true` if this span comes from MIR inlining.
-    pub fn is_inlined(self) -> bool {
-        let outer_expn = self.ctxt().outer_expn_data();
-        matches!(outer_expn.kind, ExpnKind::Inlined)
-    }
-
     /// Returns `true` if `span` originates in a derive-macro's expansion.
     pub fn in_derive_expansion(self) -> bool {
         matches!(self.ctxt().outer_expn_data().kind, ExpnKind::Macro(MacroKind::Derive, _))
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-01-13 04:44:03 +0000