Revert "[llvm-cov] Warn when -arch spec is missing/invalid for universal binary"

This reverts commit b81d4bfb44c14575130bb06c047728b69c3213aa.

It's causing some bots to fail to build due to: "error: no matching
function for call to ‘__iterator_category".

1 files changed, 0 insertions, 16 deletions

diff --git a/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp b/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp
index c110ab7..b75738b 100644
--- a/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp
+++ b/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp
@@ -950,18 +950,6 @@ loadBinaryFormat(std::unique_ptr<Binary> Bin, StringRef Arch) {
       BytesInAddress, Endian);
 }
 
-/// Determine whether \p Arch is invalid or empty, given \p Bin.
-static bool isArchSpecifierInvalidOrMissing(Binary *Bin, StringRef Arch) {
-  // If we have a universal binary and Arch doesn't identify any of its slices,
-  // it's user error.
-  if (auto *Universal = dyn_cast<MachOUniversalBinary>(Bin))
-    return none_of(Universal->objects(),
-                   [Arch](const MachOUniversalBinary::ObjectForArch &Obj) {
-                     return Obj.getArchFlagName() == Arch;
-                   });
-  return false;
-}
-
 Expected<std::vector<std::unique_ptr<BinaryCoverageReader>>>
 BinaryCoverageReader::create(
     MemoryBufferRef ObjectBuffer, StringRef Arch,
@@ -982,10 +970,6 @@ BinaryCoverageReader::create(
     return BinOrErr.takeError();
   std::unique_ptr<Binary> Bin = std::move(BinOrErr.get());
 
-  if (isArchSpecifierInvalidOrMissing(Bin.get(), Arch))
-    return make_error<CoverageMapError>(
-        coveragemap_error::invalid_or_missing_arch_specifier);
-
   // MachO universal binaries which contain archives need to be treated as
   // archives, not as regular binaries.
   if (auto *Universal = dyn_cast<MachOUniversalBinary>(Bin.get())) {