Make unittests work in component build

src/compiler/liveness-analyzer.h

Index: src/compiler/liveness-analyzer.h
diff --git a/src/compiler/liveness-analyzer.h b/src/compiler/liveness-analyzer.h
index 8a3d7150962b8a811371863c9258f46666c01345..46d7c37d0d7912f2bc533786d372c0e40e933b75 100644
--- a/src/compiler/liveness-analyzer.h
+++ b/src/compiler/liveness-analyzer.h
@@ -7,6 +7,7 @@
 
 #include "src/bit-vector.h"
 #include "src/compiler/node.h"
+#include "src/globals.h"
 #include "src/zone/zone-containers.h"
 
 namespace v8 {
@@ -50,8 +51,7 @@ class NonLiveFrameStateSlotReplacer {
   NodeVector inputs_buffer_;
 };
 
-
-class LivenessAnalyzer {
+class V8_EXPORT_PRIVATE LivenessAnalyzer {
  public:
   LivenessAnalyzer(size_t local_count, Zone* zone);