Update for reviewer comments

- Fix typo in comment
- Add release notes entry

Author: brunodf-snps

clang/docs/ReleaseNotes.rst

@@ -332,6 +332,11 @@ Improvements to Clang's diagnostics
   properly being rejected when used at compile-time. It was not implemented
   and caused assertion failures before (#GH158471).
 
+- Closed a loophole in the diagnosis of function pointer conversions changing
+  extended function type information in C mode (#GH41465). Function conversions
+  that were previously incorrectly accepted in case of other irrelevant
+  conditions are now consistently diagnosed, identical to C++ mode.
+
 Improvements to Clang's time-trace
 ----------------------------------
 

clang/include/clang/Sema/Sema.h

@@ -10209,7 +10209,7 @@ class Sema final : public SemaBase {
 
   /// Determine whether the conversion from FromType to ToType is a valid
   /// conversion of ExtInfo/ExtProtoInfo on the nested function type.
-  /// More precisely, this method checks whether FromType can be tranformed
+  /// More precisely, this method checks whether FromType can be transformed
   /// into an exact match for ToType, by transforming its extended function
   /// type information in legal manner (e.g. by strictly stripping "noreturn"
   /// or "noexcept", or by stripping "noescape" for arguments).