[clang][bytecode] Pointer::isZero - fix MSVC "not all control paths return a value" warning. NFC.

[RKSimon]

No description provided.

[llvmbot]

@llvm/pr-subscribers-clang

Author: Simon Pilgrim (RKSimon)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/161168.diff

1 Files Affected:

• (modified) clang/lib/AST/ByteCode/Pointer.h (+1)

diff --git a/clang/lib/AST/ByteCode/Pointer.h b/clang/lib/AST/ByteCode/Pointer.h
index af89b66e9f875..cd738ce8b2a3e 100644
--- a/clang/lib/AST/ByteCode/Pointer.h
+++ b/clang/lib/AST/ByteCode/Pointer.h
@@ -262,6 +262,7 @@ class Pointer {
     case Storage::Typeid:
       return false;
     }
+    llvm_unreachable("Unknown clang::interp::Storage enum");
   }
   /// Checks if the pointer is live.
   bool isLive() const {