Silence MSVC warning about falling off the end of a function after a fully covered...

llvm-svn: 260417

diff --git a/lld/lib/ReaderWriter/MachO/MachOLinkingContext.cpp b/lld/lib/ReaderWriter/MachO/MachOLinkingContext.cpp
index f3fbd5a..a46c5c2 100644 (file)
--- a/lld/lib/ReaderWriter/MachO/MachOLinkingContext.cpp
+++ b/lld/lib/ReaderWriter/MachO/MachOLinkingContext.cpp
@@ -414,6 +414,7 @@ bool MachOLinkingContext::minOS(StringRef mac, StringRef iOS) const {
     // This matches the ld64 behaviour
     return false;
   }
+  llvm_unreachable("invalid OS enum");
 }
 
 bool MachOLinkingContext::addEntryPointLoadCommand() const {