Fix "control reaches end of non-void function" warning. NFCI.

RKSimon · RKSimon · commit 4a5da46bcbe1 · 2019-07-23T21:59:48.000Z
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@366856 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/IR/RemarkStreamer.cpp b/lib/IR/RemarkStreamer.cpp
@@ -118,6 +118,7 @@ formatToSerializer(remarks::Format RemarksFormat, raw_ostream &OS) {
   case remarks::Format::YAMLStrTab:
     return llvm::make_unique<remarks::YAMLStrTabSerializer>(OS);
   };
+  llvm_unreachable("Unknown remarks::Format enum");
 }
 
 Expected<std::unique_ptr<ToolOutputFile>>

Original file line number	Diff line number	Diff line change
`@@ -118,6 +118,7 @@ formatToSerializer(remarks::Format RemarksFormat, raw_ostream &OS) {`
`118`	`118`	`case remarks::Format::YAMLStrTab:`
`119`	`119`	`return llvm::make_unique<remarks::YAMLStrTabSerializer>(OS);`
`120`	`120`	`};`
	`121`	`+ llvm_unreachable("Unknown remarks::Format enum");`
`121`	`122`	`}`
`122`	`123`
`123`	`124`	`Expected<std::unique_ptr<ToolOutputFile>>`