Subzero: Rewrite the pass timing infrastructure.

src/IceInst.h

Index: src/IceInst.h
diff --git a/src/IceInst.h b/src/IceInst.h
index 5c50d2f53f6b5efe2b4a7b6fb2416c978cb60eb3..3727e6e65fd20506d4003a6021a700ac553762f8 100644
--- a/src/IceInst.h
+++ b/src/IceInst.h
@@ -509,9 +509,9 @@ private:
 class InstLoad : public InstHighLevel {
 public:
   static InstLoad *create(Cfg *Func, Variable *Dest, Operand *SourceAddr,
-                          uint32_t align = 1) {
+                          uint32_t Align = 1) {
     // TODO(kschimpf) Stop ignoring alignment specification.
-    (void)align;
+    (void)Align;
     return new (Func->allocateInst<InstLoad>())
         InstLoad(Func, Dest, SourceAddr);
   }