Rename RelocModel::PIC to PIC_, to avoid conflicts with -DPIC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29307 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index 1fbad7d..d1ffaa7 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -66,7 +66,7 @@
                  "Target default relocation model"),
       clEnumValN(Reloc::Static, "static",
                  "Non-relocatable code"),
-      clEnumValN(Reloc::PIC, "pic",
+      clEnumValN(Reloc::PIC_, "pic",
                  "Fully relocatable, position independent code"),
       clEnumValN(Reloc::DynamicNoPIC, "dynamic-no-pic",
                  "Relocatable external references, non-relocatable code"),