Pull in r199940 from upstream llvm trunk (by Eric Christopher):

  Fix out of bounds access to the double regs array. Given the
  code this looks correct, but could use review. The previous
  was definitely not correct.

Introduced here: http://svnweb.freebsd.org/changeset/base/262261

Index: lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
===================================================================
--- lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
+++ lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
@@ -734,7 +734,7 @@ bool SparcAsmParser::matchRegisterName(const AsmTo
         && !name.substr(1, 2).getAsInteger(10, intVal)
         && intVal >= 32 && intVal <= 62 && (intVal % 2 == 0)) {
       // FIXME: Check V9
-      RegNo = DoubleRegs[16 + intVal/2];
+      RegNo = DoubleRegs[intVal/2];
       RegKind = SparcOperand::rk_DoubleReg;
       return true;
     }