[demangler] Use _LIBCPP_UNREACHABLE()

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@309649 91177308-0d34-0410-b5e6-96231b3b80d8
llvm-mirror · Aug 1, 2017 · d25d901 · d25d901
1 parent f4afd55
commit d25d901
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/cxa_demangle.cpp b/src/cxa_demangle.cpp
@@ -896,7 +896,7 @@ class ExpandedSpecialSubstitution final : public Node {
     case SpecialSubKind::iostream:
       return StringView("basic_iostream");
     }
-    return StringView();
+    _LIBCPP_UNREACHABLE();
   }
 
   void printLeft(OutputStream &S) const override {
@@ -945,7 +945,7 @@ class SpecialSubstitution final : public Node {
     case SpecialSubKind::iostream:
       return StringView("iostream");
     }
-    return StringView();
+    _LIBCPP_UNREACHABLE();
   }
 
   void printLeft(OutputStream &S) const override {