Fix warnings building swift/ABI with MSVC (#6031)

hughbe · jrose-apple · commit d93d24bb07e5 · 2016-12-12T13:27:24.000-08:00
diff --git a/include/swift/ABI/MetadataValues.h b/include/swift/ABI/MetadataValues.h
@@ -20,6 +20,7 @@
 #define SWIFT_ABI_METADATAVALUES_H
 
 #include "swift/AST/Ownership.h"
+#include "swift/Basic/Unreachable.h"
 
 #include <stdlib.h>
 #include <stdint.h>
@@ -379,6 +380,8 @@ class ProtocolDescriptorFlags {
     case ProtocolDispatchStrategy::Swift:
       return true;
     }
+
+    swift_unreachable("Unhandled ProtocolDispatchStrategy in switch.");
   }
   
   /// Return the identifier if this is a special runtime-known protocol.

Original file line number	Diff line number	Diff line change
`@@ -20,6 +20,7 @@`
`20`	`20`	`#define SWIFT_ABI_METADATAVALUES_H`
`21`	`21`
`22`	`22`	`#include "swift/AST/Ownership.h"`
	`23`	`+#include "swift/Basic/Unreachable.h"`
`23`	`24`
`24`	`25`	`#include <stdlib.h>`
`25`	`26`	`#include <stdint.h>`
`@@ -379,6 +380,8 @@ class ProtocolDescriptorFlags {`
`379`	`380`	`case ProtocolDispatchStrategy::Swift:`
`380`	`381`	`return true;`
`381`	`382`	`}`
	`383`	`+`
	`384`	`+ swift_unreachable("Unhandled ProtocolDispatchStrategy in switch.");`
`382`	`385`	`}`
`383`	`386`
`384`	`387`	`/// Return the identifier if this is a special runtime-known protocol.`