[heap] Allow a minimum semi-space size of 512K.

test/cctest/heap/test-heap.cc

Index: test/cctest/heap/test-heap.cc
diff --git a/test/cctest/heap/test-heap.cc b/test/cctest/heap/test-heap.cc
index 0f67c984d00848d49ff1df623026ef0b78d44084..b4a8e5e23d665aa945bcff7cb269a3dcace7a7ac 100644
--- a/test/cctest/heap/test-heap.cc
+++ b/test/cctest/heap/test-heap.cc
@@ -4859,7 +4859,7 @@ HEAP_TEST(Regress538257) {
   FLAG_manual_evacuation_candidates_selection = true;
   v8::Isolate::CreateParams create_params;
   // Set heap limits.
-  create_params.constraints.set_max_semi_space_size(1);
+  create_params.constraints.set_max_semi_space_size_in_kb(1024);
   create_params.constraints.set_max_old_space_size(6);
   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
   v8::Isolate* isolate = v8::Isolate::New(create_params);