1 files changed, 26 insertions, 6 deletions
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index ac15c3b407b..e751ff13a34 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -3190,12 +3190,12 @@ pub enum WasiExecModel {
 /// how the hash should be calculated when adding a new command-line argument.
 pub(crate) mod dep_tracking {
     use super::{
-        BranchProtection, CFGuard, CFProtection, CrateType, DebugInfo, DebugInfoCompression,
-        ErrorOutputType, FunctionReturn, InliningThreshold, InstrumentCoverage, InstrumentXRay,
-        LinkerPluginLto, LocationDetail, LtoCli, NextSolverConfig, OomStrategy, OptLevel,
-        OutFileName, OutputType, OutputTypes, Polonius, RemapPathScopeComponents, ResolveDocLinks,
-        SourceFileHashAlgorithm, SplitDwarfKind, SwitchWithOptPath, SymbolManglingVersion,
-        WasiExecModel,
+        BranchProtection, CFGuard, CFProtection, CollapseMacroDebuginfo, CrateType, DebugInfo,
+        DebugInfoCompression, ErrorOutputType, FunctionReturn, InliningThreshold,
+        InstrumentCoverage, InstrumentXRay, LinkerPluginLto, LocationDetail, LtoCli,
+        NextSolverConfig, OomStrategy, OptLevel, OutFileName, OutputType, OutputTypes, Polonius,
+        RemapPathScopeComponents, ResolveDocLinks, SourceFileHashAlgorithm, SplitDwarfKind,
+        SwitchWithOptPath, SymbolManglingVersion, WasiExecModel,
     };
     use crate::lint;
     use crate::utils::NativeLib;
@@ -3274,6 +3274,7 @@ pub(crate) mod dep_tracking {
         LtoCli,
         DebugInfo,
         DebugInfoCompression,
+        CollapseMacroDebuginfo,
         UnstableFeatures,
         NativeLib,
         SanitizerSet,
@@ -3437,6 +3438,25 @@ pub enum ProcMacroExecutionStrategy {
     CrossThread,
 }
 
+/// How to perform collapse macros debug info
+/// if-ext - if macro from different crate (related to callsite code)
+/// | cmd \ attr    | no  | (unspecified) | external | yes |
+/// | no            | no  | no            | no       | no  |
+/// | (unspecified) | no  | no            | if-ext   | yes |
+/// | external      | no  | if-ext        | if-ext   | yes |
+/// | yes           | yes | yes           | yes      | yes |
+#[derive(Clone, Copy, PartialEq, Hash, Debug)]
+pub enum CollapseMacroDebuginfo {
+    /// Don't collapse debuginfo for the macro
+    No = 0,
+    /// Unspecified value
+    Unspecified = 1,
+    /// Collapse debuginfo if the macro comes from a different crate
+    External = 2,
+    /// Collapse debuginfo for the macro
+    Yes = 3,
+}
+
 /// Which format to use for `-Z dump-mono-stats`
 #[derive(Clone, Copy, PartialEq, Hash, Debug)]
 pub enum DumpMonoStatsFormat {