1 files changed, 70 insertions, 0 deletions
diff --git a/tests/ccgbugs/tcgbug.nim b/tests/ccgbugs/tcgbug.nim
index db9c116be..2eddc6fdd 100644
--- a/tests/ccgbugs/tcgbug.nim
+++ b/tests/ccgbugs/tcgbug.nim
@@ -4,6 +4,7 @@ success
 M1 M2
 ok
 '''
+matrix: "--mm:refc;--mm:orc"
 """
 
 type
@@ -24,6 +25,7 @@ q(a)
 
 # bug #914
 when defined(windows):
+  import std/widestrs
   var x = newWideCString("Hello")
 
 echo "success"
@@ -91,3 +93,71 @@ proc test(c: Helper): string =
   c.formatted
 
 echo test(Helper(isKind: true, formatted: "ok"))
+
+
+# bug #19613
+
+type
+  Eth2Digest = object
+    data: array[42, byte]
+
+  BlockId* = object
+    root*: Eth2Digest
+
+  BlockSlotId* = object
+    bid*: BlockId
+    slot*: uint64
+
+func init*(T: type BlockSlotId, bid: BlockId, slot: uint64): T =
+  #debugecho "init ", bid, " ", slot
+  BlockSlotId(bid: bid, slot: slot)
+
+proc bug19613 =
+  var x: BlockSlotId
+  x.bid.root.data[0] = 42
+
+  x =
+    if x.slot > 0:
+      BlockSlotId.init(x.bid, x.slot)
+    else:
+      BlockSlotId.init(x.bid, x.slot)
+  doAssert x.bid.root.data[0] == 42
+
+bug19613()
+
+proc foo = # bug #23280
+  let foo = @[1,2,3,4,5,6]
+  doAssert toOpenArray(foo, 0, 5).len == 6
+  doAssert toOpenArray(foo, 0, 5).len mod 6 == 0 # this should output 0
+  doAssert toOpenArray(foo, 0, 5).max mod 6 == 0
+  let L = toOpenArray(foo, 0, 5).len
+  doAssert L mod 6 == 0 
+
+foo()
+
+block: # bug #9940
+  {.emit:"""/*TYPESECTION*/
+typedef struct { int base; } S;
+""".}
+
+  type S {.importc: "S", completeStruct.} = object
+    base: cint
+  proc init(x:ptr S) =
+    x.base = 1
+
+  type
+    Foo = object
+      a: seq[float]
+      b: seq[float]
+      c: seq[float]
+      d: seq[float]
+      s: S
+
+  proc newT(): Foo =
+    var t: Foo
+    t.s.addr.init
+    doAssert t.s.base == 1
+    t
+
+  var t = newT()
+  doAssert t.s.base == 1