[AST] NFC: Use exhaustive switch in Decl::isBeingValidated()

davezarzycki · davezarzycki · commit 6371d8d48c7d · 2018-07-18T09:45:45.000-04:00
diff --git a/include/swift/AST/Decl.h b/include/swift/AST/Decl.h
@@ -819,9 +819,11 @@ class alignas(1 << DeclAlignInBits) Decl {
     case ValidationState::Unchecked:
     case ValidationState::Checked:
       return false;
-    default:
+    case ValidationState::Checking:
+    case ValidationState::CheckingWithValidSignature:
       return true;
     }
+    llvm_unreachable("Unknown ValidationState");
   }
 
   /// Update the validation state for the declaration to allow access to the

Original file line number	Diff line number	Diff line change
`@@ -819,9 +819,11 @@ class alignas(1 << DeclAlignInBits) Decl {`
`819`	`819`	`case ValidationState::Unchecked:`
`820`	`820`	`case ValidationState::Checked:`
`821`	`821`	`return false;`
`822`		`- default:`
	`822`	`+ case ValidationState::Checking:`
	`823`	`+ case ValidationState::CheckingWithValidSignature:`
`823`	`824`	`return true;`
`824`	`825`	`}`
	`826`	`+ llvm_unreachable("Unknown ValidationState");`
`825`	`827`	`}`
`826`	`828`
`827`	`829`	`/// Update the validation state for the declaration to allow access to the`