[CodeExtractor] Merge DEBUG statements in an attempt to fix the msvc

build.

There's a known bug in msvc 2013 that fails to compile do-while loops
inside of ranged for loops.

llvm-svn: 273811

llvm/lib/Transforms/Utils/CodeExtractor.cpp

@@ -315,10 +315,12 @@ Function *CodeExtractor::constructFunction(const ValueSet &inputs,
       paramTy.push_back(PointerType::getUnqual(output->getType()));
   }
 
-  DEBUG(dbgs() << "Function type: " << *RetTy << " f(");
-  for (Type *i : paramTy)
-    DEBUG(dbgs() << *i << ", ");
-  DEBUG(dbgs() << ")\n");
+  DEBUG({
+    dbgs() << "Function type: " << *RetTy << " f(";
+    for (Type *i : paramTy)
+      dbgs() << *i << ", ";
+    dbgs() << ")\n";
+  });
 
   StructType *StructTy;
   if (AggregateArgs && (inputs.size() + outputs.size() > 0)) {