diff -Naupr a/tools/clang/lib/Driver/Tools.cpp b/tools/clang/lib/Driver/Tools.cpp
--- a/tools/clang/lib/Driver/Tools.cpp	2012-11-21 08:56:23.000000000 +0100
+++ b/tools/clang/lib/Driver/Tools.cpp	2013-03-23 23:56:54.002059797 +0100
@@ -1777,8 +1777,8 @@ void Clang::ConstructJob(Compilation &C,
   // any flavor of the '-fno-...' arguments, both PIC and PIE are disabled. Any
   // PIE option implicitly enables PIC at the same level.
   bool PIE = false;
-  bool PIC = getToolChain().isPICDefault();
-  bool IsPICLevelTwo = PIC;
+  bool pic = getToolChain().isPICDefault();
+  bool IsPICLevelTwo = pic;
   if (Arg *A = Args.getLastArg(options::OPT_fPIC, options::OPT_fno_PIC,
                                options::OPT_fpic, options::OPT_fno_pic,
                                options::OPT_fPIE, options::OPT_fno_PIE,
@@ -1787,26 +1787,26 @@ void Clang::ConstructJob(Compilation &C,
     if (O.matches(options::OPT_fPIC) || O.matches(options::OPT_fpic) ||
         O.matches(options::OPT_fPIE) || O.matches(options::OPT_fpie)) {
       PIE = O.matches(options::OPT_fPIE) || O.matches(options::OPT_fpie);
-      PIC = PIE || O.matches(options::OPT_fPIC) || O.matches(options::OPT_fpic);
+      pic = PIE || O.matches(options::OPT_fPIC) || O.matches(options::OPT_fpic);
       IsPICLevelTwo = O.matches(options::OPT_fPIE) ||
                       O.matches(options::OPT_fPIC);
     } else {
-      PIE = PIC = false;
+      PIE = pic = false;
     }
   }
   // Check whether the tool chain trumps the PIC-ness decision. If the PIC-ness
   // is forced, then neither PIC nor PIE flags will have no effect.
   if (getToolChain().isPICDefaultForced()) {
     PIE = false;
-    PIC = getToolChain().isPICDefault();
-    IsPICLevelTwo = PIC;
+    pic = getToolChain().isPICDefault();
+    IsPICLevelTwo = pic;
   }
 
   // Inroduce a Darwin-specific hack. If the default is PIC but the flags
   // specified while enabling PIC enabled level 1 PIC, just force it back to
   // level 2 PIC instead. This matches the behavior of Darwin GCC (based on my
   // informal testing).
-  if (PIC && getToolChain().getTriple().isOSDarwin())
+  if (pic && getToolChain().getTriple().isOSDarwin())
     IsPICLevelTwo |= getToolChain().isPICDefault();
 
   // Note that these flags are trump-cards. Regardless of the order w.r.t. the
@@ -1816,9 +1816,9 @@ void Clang::ConstructJob(Compilation &C,
        Args.hasArg(options::OPT_fapple_kext)) &&
       (Triple.getOS() != llvm::Triple::IOS ||
        Triple.isOSVersionLT(6)))
-    PIC = PIE = false;
+    pic = PIE = false;
   if (Args.hasArg(options::OPT_static))
-    PIC = PIE = false;
+    pic = PIE = false;
 
   if (Arg *A = Args.getLastArg(options::OPT_mdynamic_no_pic)) {
     // This is a very special mode. It trumps the other modes, almost no one
@@ -1843,9 +1843,9 @@ void Clang::ConstructJob(Compilation &C,
     // Currently, LLVM only knows about PIC vs. static; the PIE differences are
     // handled in Clang's IRGen by the -pie-level flag.
     CmdArgs.push_back("-mrelocation-model");
-    CmdArgs.push_back(PIC ? "pic" : "static");
+    CmdArgs.push_back(pic ? "pic" : "static");
 
-    if (PIC) {
+    if (pic) {
       CmdArgs.push_back("-pic-level");
       CmdArgs.push_back(IsPICLevelTwo ? "2" : "1");
       if (PIE) {

.