From 34143ee12285c55d0773ea8ebda38b95351c6592 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Sat, 10 Dec 2016 02:30:57 +0100
Subject: fixes serious codegen regression that caused Nimble to misbehave

---
 tests/ccgbugs/tmarkerproc_regression.nim | 47 ++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 tests/ccgbugs/tmarkerproc_regression.nim

(limited to 'tests')

diff --git a/tests/ccgbugs/tmarkerproc_regression.nim b/tests/ccgbugs/tmarkerproc_regression.nim
new file mode 100644
index 000000000..261f746fc
--- /dev/null
+++ b/tests/ccgbugs/tmarkerproc_regression.nim
@@ -0,0 +1,47 @@
+discard """
+  output: "done"
+"""
+
+type
+  Version* = distinct string
+  Special* = distinct string
+
+  VersionRangeEnum* = enum
+    verLater, # > V
+    verEarlier, # < V
+    verEqLater, # >= V -- Equal or later
+    verEqEarlier, # <= V -- Equal or earlier
+    verIntersect, # > V & < V
+    verEq, # V
+    verAny, # *
+    verSpecial # #head
+
+  VersionRange* = ref VersionRangeObj
+  VersionRangeObj = object
+    case kind*: VersionRangeEnum
+    of verLater, verEarlier, verEqLater, verEqEarlier, verEq:
+      ver*: Version
+    of verSpecial:
+      spe*: Special
+    of verIntersect:
+      verILeft, verIRight: VersionRange
+    of verAny:
+      nil
+
+proc foo(x: string): VersionRange =
+  new(result)
+  result.kind = verEq
+  result.ver = Version(x)
+
+proc main =
+  var a: array[5000, VersionRange]
+  for i in 0 ..< 5000:
+    a[i] = foo($i & "some longer text here " & $i)
+  GC_fullcollect()
+  for i in 0 ..< 5000:
+    let expected = $i & "some longer text here " & $i
+    if a[i].ver.string != expected:
+      quit "bug!"
+  echo "done"
+
+main()
-- 
cgit 1.4.1-2-gfad0