diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/mir/debuginfo.rs')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/mir/debuginfo.rs | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs b/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs index 8c3186efc..157c1c823 100644 --- a/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs +++ b/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs @@ -3,7 +3,7 @@ use rustc_index::vec::IndexVec; use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::mir; use rustc_middle::ty; -use rustc_middle::ty::layout::LayoutOf; +use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf}; use rustc_session::config::DebugInfo; use rustc_span::symbol::{kw, Symbol}; use rustc_span::{BytePos, Span}; @@ -93,15 +93,15 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } /// 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 - /// (unless the crate is being compiled with `-Z debug-macros`). + /// 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). fn adjust_span_for_debugging(&self, mut span: Span) -> Span { // Bail out if debug info emission is not enabled. if self.debug_context.is_none() { return span; } - if span.from_expansion() && !self.cx.sess().opts.unstable_opts.debug_macros { + if self.cx.tcx().should_collapse_debuginfo(span) { // Walk up the macro expansion chain until we reach a non-expanded span. // We also stop at the function body level because no line stepping can occur // at the level above that. |