[Remarks] Silence Wreturn-type warning

Shows up here: http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fuzzer/builds/27771/steps/annotate/logs/stdio.

llvm-svn: 367162

diff --git a/llvm/lib/Remarks/RemarkParser.cpp b/llvm/lib/Remarks/RemarkParser.cpp
index 1ff9cf6..fba1dcf 100644 (file)
--- a/llvm/lib/Remarks/RemarkParser.cpp
+++ b/llvm/lib/Remarks/RemarkParser.cpp
@@ -93,6 +93,7 @@ llvm::remarks::createRemarkParserFromMeta(Format ParserFormat, StringRef Buf,
     return createStringError(std::make_error_code(std::errc::invalid_argument),
                              "Unknown remark parser format.");
   }
+  llvm_unreachable("unhandled ParseFormat");
 }
 
 // Wrapper that holds the state needed to interact with the C API.