[SemaAccess] Provide meaningful message when we hit llvm_unreachable().

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@243571 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Sema/SemaAccess.cpp b/lib/Sema/SemaAccess.cpp
index 0e973cc5ebaae6fd9975b8bed5b8c0422678ccf8..7c1755dbe79bb9e964b03abfc2dca99423b7c830 100644 (file)
--- a/lib/Sema/SemaAccess.cpp
+++ b/lib/Sema/SemaAccess.cpp
@@ -1766,7 +1766,7 @@ Sema::AccessResult Sema::CheckFriendAccess(NamedDecl *target) {
   case AR_inaccessible: return Sema::AR_inaccessible;
   case AR_dependent: return Sema::AR_dependent;
   }
-  llvm_unreachable("falling off end");
+  llvm_unreachable("invalid access result");
 }
 
 Sema::AccessResult Sema::CheckAddressOfMemberAccess(Expr *OvlExpr,