Make EmitTBSSSymbol take a section argument so that we can find it later.
Fix up callers and users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104057 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index 6a89df1..1f045ac 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -1536,7 +1536,10 @@
   if (!Sym->isUndefined())
     return Error(IDLoc, "invalid symbol redefinition");
   
-  Out.EmitTBSSSymbol(Sym, Size, Pow2Alignment ? 1 << Pow2Alignment : 0);
+  Out.EmitTBSSSymbol(Ctx.getMachOSection("__DATA", "__thread_bss",
+                                        MCSectionMachO::S_THREAD_LOCAL_ZEROFILL,
+                                        0, SectionKind::getThreadBSS()),
+                     Sym, Size, 1 << Pow2Alignment);
   
   return false;
 }