fixes nim-lang#12820

cooldome · Dec 6, 2019 · e37c125 · e37c125
1 parent 7213969
commit e37c125
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/compiler/sempass2.nim b/compiler/sempass2.nim
@@ -888,7 +888,7 @@ proc track(tracked: PEffects, n: PNode) =
     if n.len == 1: track(tracked, n[0])
   of nkBracket:
     for i in 0..<n.safeLen: track(tracked, n[i])
-    if tracked.owner.kind != skMacro:
+    if tracked.owner.kind != skMacro and n.len > 0:
       createTypeBoundOps(tracked, n.typ, n.info)
   else:
     for i in 0..<n.safeLen: track(tracked, n[i])

diff --git a/tests/destructor/t12037.nim b/tests/destructor/t12037.nim
@@ -16,3 +16,10 @@ proc test() =
   doAssert cast[int](sq1[0].unsafeAddr) != 0
 
 test()
+
+
+#############################################
+### bug 12820
+import tables
+var t = initTable[string, seq[ptr int]]()
+discard t.hasKeyOrPut("f1", @[])