!! (WIP) FunctionCoverageInfo (empty, unused)

Author: Zalathar

compiler/rustc_middle/src/mir/coverage.rs

@@ -142,3 +142,6 @@ impl Op {
         matches!(self, Self::Subtract)
     }
 }
+
+#[derive(Clone, Debug, TyEncodable, TyDecodable, Hash, HashStable, TypeFoldable, TypeVisitable)]
+pub struct FunctionCoverageInfo {}

compiler/rustc_middle/src/mir/mod.rs

@@ -304,6 +304,8 @@ pub struct Body<'tcx> {
     pub injection_phase: Option<MirPhase>,
 
     pub tainted_by_errors: Option<ErrorGuaranteed>,
+
+    pub coverage_info: Option<Box<coverage::FunctionCoverageInfo>>,
 }
 
 impl<'tcx> Body<'tcx> {
@@ -351,6 +353,7 @@ impl<'tcx> Body<'tcx> {
             is_polymorphic: false,
             injection_phase: None,
             tainted_by_errors,
+            coverage_info: None,
         };
         body.is_polymorphic = body.has_non_region_param();
         body
@@ -379,6 +382,7 @@ impl<'tcx> Body<'tcx> {
             is_polymorphic: false,
             injection_phase: None,
             tainted_by_errors: None,
+            coverage_info: None,
         };
         body.is_polymorphic = body.has_non_region_param();
         body

compiler/rustc_mir_build/src/build/custom/mod.rs

@@ -60,6 +60,7 @@ pub(super) fn build_custom_mir<'tcx>(
         tainted_by_errors: None,
         injection_phase: None,
         pass_count: 0,
+        coverage_info: None,
     };
 
     body.local_decls.push(LocalDecl::new(return_ty, return_ty_span));