Fix nil reference exception (#828)

Fixes #824.
teal-language · Oct 16, 2024 · b8f9cce · b8f9cce
1 parent 0065786
commit b8f9cce
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/tl.lua b/tl.lua
@@ -7667,7 +7667,9 @@ do
             end
          elseif t.typename == "self" then
             assert(copy.typename == "self")
-            copy.display_type, same = resolve(t.display_type, same)
+            if t.display_type ~= nil then
+               copy.display_type, same = resolve(t.display_type, same)
+            end
          end
 
          copy.typeid = same and t.typeid or new_typeid()

diff --git a/tl.tl b/tl.tl
@@ -7667,7 +7667,9 @@ do
             end
          elseif t is SelfType then
             assert(copy is SelfType)
-            copy.display_type, same = resolve(t.display_type, same)
+            if t.display_type ~= nil then
+               copy.display_type, same = resolve(t.display_type, same)
+            end
          end
 
          copy.typeid = same and t.typeid or new_typeid()