Subzero: Reduce the amount of #ifdef'd code.

src/IceClFlags.cpp

Index: src/IceClFlags.cpp
diff --git a/src/IceClFlags.cpp b/src/IceClFlags.cpp
index 282d014940d887dc41a7b4b3d1718103ab54299d..4ba5ffe10c2868aca529061e35993d7cd645e277 100644
--- a/src/IceClFlags.cpp
+++ b/src/IceClFlags.cpp
@@ -334,7 +334,7 @@ void ClFlags::getParsedClFlags(ClFlags &OutFlags) {
   Ice::VerboseMask VMask = Ice::IceV_None;
   // Don't generate verbose messages if routines
   // to dump messages are not available.
-  if (ALLOW_DUMP) {
+  if (buildAllowsDump()) {
     for (unsigned i = 0; i != VerboseList.size(); ++i)
       VMask |= VerboseList[i];
   }