[Compiler] Enable use of seperate zones for parsing and compiling.

test/cctest/compiler/test-loop-assignment-analysis.cc

Index: test/cctest/compiler/test-loop-assignment-analysis.cc
diff --git a/test/cctest/compiler/test-loop-assignment-analysis.cc b/test/cctest/compiler/test-loop-assignment-analysis.cc
index 3a238292a6c6237d1b31605fe5ef51cfe0adbbd1..ee80fc725779f70222f5c2880fa462e8ee11e6f7 100644
--- a/test/cctest/compiler/test-loop-assignment-analysis.cc
+++ b/test/cctest/compiler/test-loop-assignment-analysis.cc
@@ -34,7 +34,8 @@ struct TestHelper : public HandleAndZoneScope {
   void CheckLoopAssignedCount(int expected, const char* var_name) {
     // TODO(titzer): don't scope analyze every single time.
     ParseInfo parse_info(handle(function->shared()));
-    CompilationInfo info(&parse_info, function);
+    Zone compile_zone(function->GetIsolate()->allocator(), ZONE_NAME);
+    CompilationInfo info(&compile_zone, &parse_info, function);
 
     CHECK(parsing::ParseFunction(&parse_info));
     CHECK(Rewriter::Rewrite(&parse_info));