1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/unittests/Support/ErrorTest.cpp b/llvm/unittests/Support/ErrorTest.cpp
index 788dcd3c8b8..1807547572b 100644
--- a/llvm/unittests/Support/ErrorTest.cpp
+++ b/llvm/unittests/Support/ErrorTest.cpp
@@ -9,6 +9,7 @@
 
 #include "llvm/Support/Error.h"
 #include "llvm/Support/Errc.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "gtest/gtest.h"
 #include <memory>
 
@@ -30,6 +31,10 @@ public:
     OS << "CustomError { " << getInfo() << "}";
   }
 
+  std::error_code convertToErrorCode() const override {
+    llvm_unreachable("CustomError doesn't support ECError conversion");
+  }
+
 protected:
   // This error is subclassed below, but we can't use inheriting constructors
   // yet, so we can't propagate the constructors through ErrorInfo. Instead
@@ -57,6 +62,10 @@ public:
     OS << "CustomSubError { " << getInfo() << ", " << getExtraInfo() << "}";
   }
 
+  std::error_code convertToErrorCode() const override {
+    llvm_unreachable("CustomSubError doesn't support ECError conversion");
+  }
+
 protected:
   int ExtraInfo;
 };