1 files changed, 21 insertions, 17 deletions
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs b/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs
index d174a3593..aff764f02 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs
@@ -20,7 +20,7 @@ pub fn compute_mir_scopes<'ll, 'tcx>(
     cx: &CodegenCx<'ll, 'tcx>,
     instance: Instance<'tcx>,
     mir: &Body<'tcx>,
-    debug_context: &mut FunctionDebugContext<&'ll DIScope, &'ll DILocation>,
+    debug_context: &mut FunctionDebugContext<'tcx, &'ll DIScope, &'ll DILocation>,
 ) {
     // Find all scopes with variables defined in them.
     let variables = if cx.sess().opts.debuginfo == DebugInfo::Full {
@@ -51,7 +51,7 @@ fn make_mir_scope<'ll, 'tcx>(
     instance: Instance<'tcx>,
     mir: &Body<'tcx>,
     variables: &Option<BitSet<SourceScope>>,
-    debug_context: &mut FunctionDebugContext<&'ll DIScope, &'ll DILocation>,
+    debug_context: &mut FunctionDebugContext<'tcx, &'ll DIScope, &'ll DILocation>,
     instantiated: &mut BitSet<SourceScope>,
     scope: SourceScope,
 ) {
@@ -68,7 +68,7 @@ fn make_mir_scope<'ll, 'tcx>(
         let file = cx.sess().source_map().lookup_source_file(mir.span.lo());
         debug_context.scopes[scope] = DebugScope {
             file_start_pos: file.start_pos,
-            file_end_pos: file.end_pos,
+            file_end_pos: file.end_position(),
             ..debug_context.scopes[scope]
         };
         instantiated.insert(scope);
@@ -86,27 +86,31 @@ fn make_mir_scope<'ll, 'tcx>(
     let loc = cx.lookup_debug_loc(scope_data.span.lo());
     let file_metadata = file_metadata(cx, &loc.file);
 
-    let dbg_scope = match scope_data.inlined {
+    let parent_dbg_scope = match scope_data.inlined {
         Some((callee, _)) => {
             // FIXME(eddyb) this would be `self.monomorphize(&callee)`
             // if this is moved to `rustc_codegen_ssa::mir::debuginfo`.
-            let callee = cx.tcx.subst_and_normalize_erasing_regions(
+            let callee = cx.tcx.instantiate_and_normalize_erasing_regions(
                 instance.args,
                 ty::ParamEnv::reveal_all(),
                 ty::EarlyBinder::bind(callee),
             );
-            let callee_fn_abi = cx.fn_abi_of_instance(callee, ty::List::empty());
-            cx.dbg_scope_fn(callee, callee_fn_abi, None)
+            debug_context.inlined_function_scopes.entry(callee).or_insert_with(|| {
+                let callee_fn_abi = cx.fn_abi_of_instance(callee, ty::List::empty());
+                cx.dbg_scope_fn(callee, callee_fn_abi, None)
+            })
         }
-        None => unsafe {
-            llvm::LLVMRustDIBuilderCreateLexicalBlock(
-                DIB(cx),
-                parent_scope.dbg_scope,
-                file_metadata,
-                loc.line,
-                loc.col,
-            )
-        },
+        None => parent_scope.dbg_scope,
+    };
+
+    let dbg_scope = unsafe {
+        llvm::LLVMRustDIBuilderCreateLexicalBlock(
+            DIB(cx),
+            parent_dbg_scope,
+            file_metadata,
+            loc.line,
+            loc.col,
+        )
     };
 
     let inlined_at = scope_data.inlined.map(|(_, callsite_span)| {
@@ -120,7 +124,7 @@ fn make_mir_scope<'ll, 'tcx>(
         dbg_scope,
         inlined_at: inlined_at.or(parent_scope.inlined_at),
         file_start_pos: loc.file.start_pos,
-        file_end_pos: loc.file.end_pos,
+        file_end_pos: loc.file.end_position(),
     };
     instantiated.insert(scope);
 }