fix a bug reid noticed


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31385 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCMachOWriter.cpp b/lib/Target/PowerPC/PPCMachOWriter.cpp
index 59068e1..7914968 100644
--- a/lib/Target/PowerPC/PPCMachOWriter.cpp
+++ b/lib/Target/PowerPC/PPCMachOWriter.cpp
@@ -99,7 +99,7 @@
   case PPC::reloc_pcrel_bx:
     Addr -= MR.getMachineCodeOffset();
     Addr >>= 2;
-    // ??? Addr & 0xFFFFFF;  Possibly this was supposed to be Addr &= 0xFFFFFF ?
+    Addr &= 0xFFFFFF;
     Addr <<= 2;
     Addr |= (MOS.SectionData[MR.getMachineCodeOffset()] << 24);
     fixword(MOS.SectionData, Addr, MR.getMachineCodeOffset());