[Clang importer] Work around addition of _Nullable_result

DougGregor · DougGregor · commit 5b5384ab63c2 · 2020-12-08T12:40:48.000-08:00
diff --git a/lib/ClangImporter/ClangAdapter.cpp b/lib/ClangImporter/ClangAdapter.cpp
@@ -617,6 +617,9 @@ OptionalTypeKind importer::translateNullability(clang::NullabilityKind kind) {
 
   case clang::NullabilityKind::Unspecified:
     return OptionalTypeKind::OTK_ImplicitlyUnwrappedOptional;
+
+  default:
+    return OptionalTypeKind::OTK_Optional;
   }
 
   llvm_unreachable("Invalid NullabilityKind.");

Original file line number	Diff line number	Diff line change
`@@ -617,6 +617,9 @@ OptionalTypeKind importer::translateNullability(clang::NullabilityKind kind) {`
`617`	`617`
`618`	`618`	`case clang::NullabilityKind::Unspecified:`
`619`	`619`	`return OptionalTypeKind::OTK_ImplicitlyUnwrappedOptional;`
	`620`	`+`
	`621`	`+ default:`
	`622`	`+ return OptionalTypeKind::OTK_Optional;`
`620`	`623`	`}`
`621`	`624`
`622`	`625`	`llvm_unreachable("Invalid NullabilityKind.");`