Fix segfault on empty custom properties

Originally reported in sass/sassc#225
xzyfer · Apr 16, 2018 · 4b84e71 · 4b84e71
1 parent 9266d26
commit 4b84e71
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/expand.cpp b/src/expand.cpp
@@ -247,6 +247,7 @@ namespace Sass {
       new_p = SASS_MEMORY_NEW(String_Constant, old_p->pstate(), str);
     }
     Expression_Obj value = d->value()->perform(&eval);
+    if (value) value = value->perform(&eval);
     Block_Obj bb = ab ? operator()(ab) : NULL;
     if (!bb) {
       if (!value || (value->is_invisible() && !d->is_important())) return 0;