Revert r340904 "[llvm-mc] - Allow to set custom flags for debug sections."

It broke PPC64 BB:
http://lab.llvm.org:8011/builders/clang-ppc64be-linux/builds/23252

llvm-svn: 340906

1 files changed, 4 insertions, 12 deletions

diff --git a/llvm/lib/MC/MCContext.cpp b/llvm/lib/MC/MCContext.cpp
index ef919d00923..341a1a4e3b4 100644
--- a/llvm/lib/MC/MCContext.cpp
+++ b/llvm/lib/MC/MCContext.cpp
@@ -394,15 +394,6 @@ MCSectionELF *MCContext::getELFSection(const Twine &Section, unsigned Type,
   auto IterBool = ELFUniquingMap.insert(
       std::make_pair(ELFSectionKey{Section.str(), Group, UniqueID}, nullptr));
   auto &Entry = *IterBool.first;
-  MCSectionELF *&Sec = Entry.second;
-  if (!IterBool.second) {
-    // We want to let users add additional flags even for sections with
-    // defaults. For example, .debug_str has "MS" flags by default and user
-    // might want to add "E".
-    Sec->setFlags(Sec->getFlags() | Flags);
-    return Sec;
-  }
-
   if (!IterBool.second)
     return Entry.second;
 
@@ -416,9 +407,10 @@ MCSectionELF *MCContext::getELFSection(const Twine &Section, unsigned Type,
   else
     Kind = SectionKind::getReadOnly();
 
-  Sec = createELFSectionImpl(CachedName, Type, Flags, Kind, EntrySize, GroupSym,
-                             UniqueID, Associated);
-  return Sec;
+  MCSectionELF *Result = createELFSectionImpl(
+      CachedName, Type, Flags, Kind, EntrySize, GroupSym, UniqueID, Associated);
+  Entry.second = Result;
+  return Result;
 }
 
 MCSectionELF *MCContext::createELFGroupSection(const MCSymbolELF *Group) {