Revert "[Support] Introduce formatv variant of createStringError" (#82126)

Reverts llvm/llvm-project#80493

This increased clang compile times by 0.5%. I'll figure out a less
expensive way to achieve this.

1 files changed, 0 insertions, 17 deletions

diff --git a/llvm/unittests/Support/ErrorTest.cpp b/llvm/unittests/Support/ErrorTest.cpp
index a700a50..11f9320 100644
--- a/llvm/unittests/Support/ErrorTest.cpp
+++ b/llvm/unittests/Support/ErrorTest.cpp
@@ -472,23 +472,6 @@ TEST(Error, createStringError) {
     << "Failed to convert createStringError() result to error_code.";
 }
 
-TEST(Error, createStringErrorV) {
-  static llvm::StringRef Bar("bar");
-  static const std::error_code EC = errc::invalid_argument;
-  std::string Msg;
-  raw_string_ostream S(Msg);
-  logAllUnhandledErrors(createStringErrorV(EC, "foo{0}{1}{2:x}", Bar, 1, 0xff),
-                        S);
-  EXPECT_EQ(S.str(), "foobar10xff\n")
-      << "Unexpected createStringErrorV() log result";
-
-  S.flush();
-  Msg.clear();
-  auto Res = errorToErrorCode(createStringErrorV(EC, "foo{0}", Bar));
-  EXPECT_EQ(Res, EC)
-      << "Failed to convert createStringErrorV() result to error_code.";
-}
-
 // Test that the ExitOnError utility works as expected.
 TEST(ErrorDeathTest, ExitOnError) {
   ExitOnError ExitOnErr;