[clang] af0052e - Fix MSVC "not all control paths return a value" warning. NFC.

[Simon Pilgrim via cfe-commits]

Author: Simon Pilgrim
Date: 2022-08-09T09:55:57+01:00
New Revision: af0052ef741f9bcfa3c7f0038d49f0cb1eaa59a4

URL: https://github.com/llvm/llvm-project/commit/af0052ef741f9bcfa3c7f0038d49f0cb1eaa59a4
DIFF: https://github.com/llvm/llvm-project/commit/af0052ef741f9bcfa3c7f0038d49f0cb1eaa59a4.diff

LOG: Fix MSVC "not all control paths return a value" warning. NFC.

Added: 
    

Modified: 
    clang/lib/AST/ASTImporter.cpp

Removed: 
    


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diff  --git a/clang/lib/AST/ASTImporter.cpp b/clang/lib/AST/ASTImporter.cpp
index fa2f07ad74fc..c368a61577cb 100644
--- a/clang/lib/AST/ASTImporter.cpp
+++ b/clang/lib/AST/ASTImporter.cpp
@@ -3390,6 +3390,7 @@ class IsTypeDeclaredInsideVisitor
       // A template passed as argument can be not in ParentDC.
       return false;
     }
+    llvm_unreachable("Unknown TemplateArgument::ArgKind enum");
   };
 };
 } // namespace