Upgrade our copy of clang and llvm to 3.5.1 release. This is a bugfix

only release, no new features have been added.

Please note that this version requires C++11 support to build; see
UPDATING for more information.

Release notes for llvm and clang can be found here:
<http://llvm.org/releases/3.5.1/docs/ReleaseNotes.html>
<http://llvm.org/releases/3.5.1/tools/clang/docs/ReleaseNotes.html>

MFC after:	1 month
X-MFC-With:	276479

1 files changed, 17 insertions, 0 deletions

diff --git a/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
index 4c6780f..1bb5173 100644
--- a/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
+++ b/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
@@ -184,6 +184,23 @@ public:
     if ((Flags & ELF::EF_PPC64_ABI) == 0)
       MCA.setELFHeaderEFlags(Flags | 2);
   }
+  void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override {
+    // When encoding an assignment to set symbol A to symbol B, also copy
+    // the st_other bits encoding the local entry point offset.
+    if (Value->getKind() != MCExpr::SymbolRef)
+      return;
+    const MCSymbol &RhsSym =
+        static_cast<const MCSymbolRefExpr *>(Value)->getSymbol();
+    MCSymbolData &Data = getStreamer().getOrCreateSymbolData(&RhsSym);
+    MCSymbolData &SymbolData = getStreamer().getOrCreateSymbolData(Symbol);
+    // The "other" values are stored in the last 6 bits of the second byte.
+    // The traditional defines for STO values assume the full byte and thus
+    // the shift to pack it.
+    unsigned Other = MCELF::getOther(SymbolData) << 2;
+    Other &= ~ELF::STO_PPC64_LOCAL_MASK;
+    Other |= (MCELF::getOther(Data) << 2) & ELF::STO_PPC64_LOCAL_MASK;
+    MCELF::setOther(SymbolData, Other >> 2);
+  }
 };
 
 class PPCTargetMachOStreamer : public PPCTargetStreamer {