Use size_t to store Pos, avoid truncating value
on 64-bit builds.  Analysis and original patch
by Török Edwin.  Code audit found another place
with the same problem, also fixed here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45746 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 7b686ed..6efe540 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -257,7 +257,7 @@
   // if one cannot be determined, to true.
   const std::string& TT = M.getTargetTriple();
   if (TT.length() > 5) {
-    unsigned Pos;
+    size_t Pos;
     if ((Pos = TT.find("-darwin")) != std::string::npos) {
       TargetType = isDarwin;