SemiSpace::AssertValidRange should use NewSpacePage::FromLimit for start.

src/spaces.cc

Index: src/spaces.cc
diff --git a/src/spaces.cc b/src/spaces.cc
index 5cc2aed96bd46a0a49d0436ce5a57df3a871fe3d..ecb71314ba2c8ac3f3f4b4fa5c4b3872a78a6377 100644
--- a/src/spaces.cc
+++ b/src/spaces.cc
@@ -1319,7 +1319,7 @@ void SemiSpace::Verify() {
 
 void SemiSpace::AssertValidRange(Address start, Address end) {
   // Addresses belong to same semi-space
-  NewSpacePage* page = NewSpacePage::FromAddress(start);
+  NewSpacePage* page = NewSpacePage::FromLimit(start);
   NewSpacePage* end_page = NewSpacePage::FromLimit(end);
   SemiSpace* space = page->semi_space();
   CHECK_EQ(space, end_page->semi_space());