diff --git a/compiler/optimizing/optimization.h b/compiler/optimizing/optimization.h
index 9315d89..d9e082a 100644
--- a/compiler/optimizing/optimization.h
+++ b/compiler/optimizing/optimization.h
@@ -21,6 +21,8 @@
 
 namespace art {
 
+static const char* kBuilderPassName = "builder";
+static const char* kSsaBuilderPassName = "ssa_builder";
 static const char* kLivenessPassName = "liveness";
 static const char* kRegisterAllocatorPassName = "register";
 static const char* kLoopInvariantCodeMotionPassName = "licm";