From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Mon, 19 Oct 2020 10:15:38 +0000 (+0100)
Subject: Fix MSVC "not all control paths return a value" warning. NFCI.
X-Git-Tag: llvmorg-13-init~8905
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7fe7d9b130d4318274eb8b17f15542013e59ca32;p=platform%2Fupstream%2Fllvm.git

Fix MSVC "not all control paths return a value" warning. NFCI.
---

diff --git a/clang/lib/CodeGen/CGExprAgg.cpp b/clang/lib/CodeGen/CGExprAgg.cpp
index bf7c1ad..9106b90 100644
--- a/clang/lib/CodeGen/CGExprAgg.cpp
+++ b/clang/lib/CodeGen/CGExprAgg.cpp
@@ -1463,6 +1463,7 @@ static bool castPreservesZero(const CastExpr *CE) {
   case CK_UncheckedDerivedToBase:
     return false;
   }
+  llvm_unreachable("Unhandled clang::CastKind enum");
 }
 
 /// isSimpleZero - If emitting this value will obviously just cause a store of