Addressed all feedback to date

1 files changed, 3 insertions, 3 deletions

diff --git a/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs b/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs
index 7da38880d60..95bddfb4b41 100644
--- a/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs
@@ -9,8 +9,9 @@ pub trait CoverageInfoMethods: BackendTypes {
 pub trait CoverageInfoBuilderMethods<'tcx>: BackendTypes {
     fn create_pgo_func_name_var(&self, instance: Instance<'tcx>) -> Self::Value;
 
-    /// Returns true if the function source hash was added to the coverage map; false if
-    /// `-Z instrument-coverage` is not enabled (a coverage map is not being generated).
+    /// Returns true if the function source hash was added to the coverage map (even if it had
+    /// already been added, for this instance). Returns false *only* if `-Z instrument-coverage` is
+    /// not enabled (a coverage map is not being generated).
     fn set_function_source_hash(
         &mut self,
         instance: Instance<'tcx>,
@@ -22,7 +23,6 @@ pub trait CoverageInfoBuilderMethods<'tcx>: BackendTypes {
     fn add_coverage_counter(
         &mut self,
         instance: Instance<'tcx>,
-        function_source_hash: u64,
         index: CounterValueReference,
         region: CodeRegion,
     ) -> bool;