Revert "[llvm] Prevent duplicate files in debug line header in dwarf 5."

This reverts commit 312ab05887d0e2caa29aaf843cefe39379a98d36.

My commit broke the build; I will revert and find out what happened.

llvm-svn: 356951

1 files changed, 0 insertions, 11 deletions

diff --git a/llvm/lib/MC/MCDwarf.cpp b/llvm/lib/MC/MCDwarf.cpp
index 73b4d4bcd19..83b6b4f1aa3 100644
--- a/llvm/lib/MC/MCDwarf.cpp
+++ b/llvm/lib/MC/MCDwarf.cpp
@@ -542,15 +542,6 @@ Expected<unsigned> MCDwarfLineTable::tryGetFile(StringRef &Directory,
   return Header.tryGetFile(Directory, FileName, Checksum, Source, FileNumber);
 }
 
-bool isRootFile(const MCDwarfFile &RootFile, StringRef &Directory,
-                StringRef &FileName, MD5::MD5Result *Checksum) {
-  if (RootFile.Name.empty() || RootFile.Name != FileName.data())
-    return false;
-  if (!RootFile.Checksum)
-    return !Checksum;
-  return *RootFile.Checksum == *Checksum;
-}
-
 Expected<unsigned>
 MCDwarfLineTableHeader::tryGetFile(StringRef &Directory,
                                    StringRef &FileName,
@@ -570,8 +561,6 @@ MCDwarfLineTableHeader::tryGetFile(StringRef &Directory,
     trackMD5Usage(Checksum);
     HasSource = (Source != None);
   }
-  if (isRootFile(RootFile, Directory, FileName, Checksum) && DwarfVersion >= 5)
-    return 0;
   if (FileNumber == 0) {
     // File numbers start with 1 and/or after any file numbers
     // allocated by inline-assembler .file directives.