account for nil return type in tyProc sumGeneric (#23250)

fixes #23249
2026-06-12 14:48:14 +00:00 · 2024-01-24 00:00:34 +03:00
parent be0b847213
commit ee984f8836
2 changed files with 19 additions and 1 deletions
--- a/compiler/sigmatch.nim
+++ b/compiler/sigmatch.nim
@@ -246,7 +246,8 @@ proc sumGeneric(t: PType): int =
          result += sumGeneric(a)
      break
    of tyProc:
-      result += sumGeneric(t.returnType)
+      if t.returnType != nil:
+        result += sumGeneric(t.returnType)
      for _, a in t.paramTypes:
        result += sumGeneric(a)
      break