diff options
| -rw-r--r-- | compiler/rustc_mir_transform/src/inline.rs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs index f48dba9663a..d86daf937da 100644 --- a/compiler/rustc_mir_transform/src/inline.rs +++ b/compiler/rustc_mir_transform/src/inline.rs @@ -982,14 +982,16 @@ fn inline_call<'tcx, I: Inliner<'tcx>>( // Insert all of the (mapped) parts of the callee body into the caller. caller_body.local_decls.extend(callee_body.drain_vars_and_temps()); caller_body.source_scopes.append(&mut callee_body.source_scopes); + + // only "full" debug promises any variable-level information if tcx .sess .opts .unstable_opts .inline_mir_preserve_debug - .unwrap_or(tcx.sess.opts.debuginfo != DebugInfo::None) + .unwrap_or(tcx.sess.opts.debuginfo == DebugInfo::Full) { - // Note that we need to preserve these in the standard library so that + // -Zinline-mir-preserve-debug is enabled when building the standard library, so that // people working on rust can build with or without debuginfo while // still getting consistent results from the mir-opt tests. caller_body.var_debug_info.append(&mut callee_body.var_debug_info); |