diff --git a/src/debuginfo/line_info.rs b/src/debuginfo/line_info.rs index 32b9c824ded2f..78b3d5a58f4a2 100644 --- a/src/debuginfo/line_info.rs +++ b/src/debuginfo/line_info.rs @@ -7,7 +7,7 @@ use cranelift_codegen::binemit::CodeOffset; use cranelift_codegen::MachSrcLoc; use gimli::write::{AttributeValue, FileId, FileInfo, LineProgram, LineString, LineStringTable}; use rustc_span::{ - FileName, Pos, SourceFile, SourceFileAndLine, SourceFileHash, SourceFileHashAlgorithm, + hygiene, FileName, Pos, SourceFile, SourceFileAndLine, SourceFileHash, SourceFileHashAlgorithm, }; use crate::debuginfo::emit::address_for_func; @@ -63,11 +63,8 @@ impl DebugContext { function_span: Span, span: Span, ) -> (FileId, u64, u64) { - // Based on https://github.com/rust-lang/rust/blob/e369d87b015a84653343032833d65d0545fd3f26/src/librustc_codegen_ssa/mir/mod.rs#L116-L131 - // In order to have a good line stepping behavior in debugger, we overwrite debug - // locations of macro expansions with that of the outermost expansion site (when the macro is - // annotated with `#[collapse_debuginfo]` or when `-Zdebug-macros` is provided). - let span = tcx.collapsed_debuginfo(span, function_span); + // Match behavior of `FunctionCx::adjusted_span_and_dbg_scope`. + let span = hygiene::walk_chain_collapsed(span, function_span); match tcx.sess.source_map().lookup_line(span.lo()) { Ok(SourceFileAndLine { sf: file, line }) => { let file_id = self.add_source_file(&file);