Revert 127939.  <rdar://problem/9012638>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127943 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/DarwinAsmParser.cpp b/lib/MC/MCParser/DarwinAsmParser.cpp
index 3c092cd..f01f866 100644
--- a/lib/MC/MCParser/DarwinAsmParser.cpp
+++ b/lib/MC/MCParser/DarwinAsmParser.cpp
@@ -435,11 +435,10 @@
 
   StringRef Segment, Section;
   unsigned StubSize;
-  unsigned TAA;
-  bool TAAParsed;
+  unsigned TAA = 0;
   std::string ErrorStr =
     MCSectionMachO::ParseSectionSpecifier(SectionSpec, Segment, Section,
-                                          TAA, TAAParsed, StubSize);
+                                          TAA, StubSize);
 
   if (!ErrorStr.empty())
     return Error(Loc, ErrorStr.c_str());
diff --git a/lib/MC/MCSectionMachO.cpp b/lib/MC/MCSectionMachO.cpp
index e771556..577e93a 100644
--- a/lib/MC/MCSectionMachO.cpp
+++ b/lib/MC/MCSectionMachO.cpp
@@ -180,9 +180,7 @@
                                                   StringRef &Segment,    // Out.
                                                   StringRef &Section,    // Out.
                                                   unsigned  &TAA,        // Out.
-                                                  bool      &TAAParsed,  // Out.
                                                   unsigned  &StubSize) { // Out.
-  TAAParsed = false;
   // Find the first comma.
   std::pair<StringRef, StringRef> Comma = Spec.split(',');
 
@@ -213,7 +211,6 @@
            "between 1 and 16 characters";
 
   // If there is no comma after the section, we're done.
-  TAA = 0;
   StubSize = 0;
   if (Comma.second.empty())
     return "";
@@ -238,7 +235,6 @@
 
   // Remember the TypeID.
   TAA = TypeID;
-  TAAParsed = true;
 
   // If we have no comma after the section type, there are no attributes.
   if (Comma.second.empty()) {