Fix null pointer access in nesting check

Fixes sass/sassc#222 Fixes sass/sassc#223
sass · Mar 1, 2018 · 7f06d83 · 7f06d83
1 parent 09e41e6
commit 7f06d83
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/check_nesting.cpp b/src/check_nesting.cpp
@@ -42,6 +42,8 @@ namespace Sass {
       At_Root_Block_Ptr ar = Cast<At_Root_Block>(parent);
       Block_Ptr ret = ar->block();
 
+      if (!ret) return NULL;
+
       for (auto n : ret->elements()) {
         n->perform(this);
       }