FileError: Provide a way to retrieve the underlying error string without the file name

For use with APIs that want to report the file name in a different
syntactic form, have other knowledge of the filename, etc.

1 files changed, 7 insertions, 2 deletions

diff --git a/llvm/unittests/Support/ErrorTest.cpp b/llvm/unittests/Support/ErrorTest.cpp
index 9356402..d4d3302 100644
--- a/llvm/unittests/Support/ErrorTest.cpp
+++ b/llvm/unittests/Support/ErrorTest.cpp
@@ -958,8 +958,13 @@ TEST(Error, FileErrorTest) {
                          "'file2.bin': CustomError {42}"),
             0);
 
-  Error FE5 = createFileError("", make_error<CustomError>(1));
-  EXPECT_EQ(toString(std::move(FE5)).compare("'': CustomError {1}"), 0);
+  Error FE5 = createFileError("", make_error<CustomError>(5));
+  EXPECT_EQ(toString(std::move(FE5)).compare("'': CustomError {5}"), 0);
+
+  Error FE6 = createFileError("unused", make_error<CustomError>(6));
+  handleAllErrors(std::move(FE6), [](std::unique_ptr<FileError> F) {
+    EXPECT_EQ(F->messageWithoutFileInfo(), "CustomError {6}");
+  });
 }
 
 enum class test_error_code {