MIPS64: fix Make map check in NamedStoreHandlerCompiler::GenerateFieldTypeChecks weak.

src/ic/mips64/handler-compiler-mips64.cc

Index: src/ic/mips64/handler-compiler-mips64.cc
diff --git a/src/ic/mips64/handler-compiler-mips64.cc b/src/ic/mips64/handler-compiler-mips64.cc
index 00f77825bf6bc8a9a5c1392f09b36153033fe01f..d42892bb0f542d9621228e80fd62c5d2fad935be 100644
--- a/src/ic/mips64/handler-compiler-mips64.cc
+++ b/src/ic/mips64/handler-compiler-mips64.cc
@@ -382,8 +382,8 @@ void NamedStoreHandlerCompiler::GenerateFieldTypeChecks(HeapType* field_type,
     Label do_store;
     while (true) {
       // Compare map directly within the Branch() functions.
-      it.Advance();
       __ GetWeakValue(scratch, Map::WeakCellForMap(it.Current()));
+      it.Advance();
       if (it.Done()) {
         __ Branch(miss_label, ne, map_reg, Operand(scratch));
         break;