[Modules] Fix potential ODR violations by sinking the DEBUG_TYPE
definition below all of the header #include lines, lib/Support edition.

llvm-svn: 206847
diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp
index 6dafe9e..fa929eb 100644
--- a/llvm/lib/Support/APInt.cpp
+++ b/llvm/lib/Support/APInt.cpp
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "apint"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/FoldingSet.h"
 #include "llvm/ADT/Hashing.h"
@@ -28,6 +27,8 @@
 #include <limits>
 using namespace llvm;
 
+#define DEBUG_TYPE "apint"
+
 /// A utility function for allocating memory, checking for allocation failures,
 /// and ensuring the contents are zeroed.
 inline static uint64_t* getClearedMemory(unsigned numWords) {