From d839eb9352a6711fcdee23457605a1fa2e41f7d6 Mon Sep 17 00:00:00 2001
From: cooldome <cdome@bk.ru>
Date: Sat, 18 Apr 2020 15:15:17 +0100
Subject: [PATCH] fix #14007 (#14012) [backport]

Co-authored-by: cooldome <ariabushenko@bk.ru>
---
 compiler/semfold.nim                            | 8 ++++++--
 tests/types/tyet_another_generic_regression.nim | 9 +++++++++
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/compiler/semfold.nim b/compiler/semfold.nim
index 5e2c2bccc1..931ff5554b 100644
--- a/compiler/semfold.nim
+++ b/compiler/semfold.nim
@@ -722,7 +722,11 @@ proc getConstExpr(m: PSym, n: PNode; g: ModuleGraph): PNode =
   of nkBracketExpr: result = foldArrayAccess(m, n, g)
   of nkDotExpr: result = foldFieldAccess(m, n, g)
   of nkStmtListExpr:
-    if n.len == 2 and n[0].kind == nkComesFrom:
-      result = getConstExpr(m, n[1], g)
+    var i = 0
+    while i <= n.len - 2:
+      if n[i].kind in {nkComesFrom, nkCommentStmt, nkEmpty}: i.inc
+      else: break
+    if i == n.len - 1:
+      result = getConstExpr(m, n[i], g)
   else:
     discard
diff --git a/tests/types/tyet_another_generic_regression.nim b/tests/types/tyet_another_generic_regression.nim
index 0839937570..2e5f9bb238 100644
--- a/tests/types/tyet_another_generic_regression.nim
+++ b/tests/types/tyet_another_generic_regression.nim
@@ -30,3 +30,12 @@ const
   }.toTable
 
 #map["test"]()
+
+#-------------------------------------------------------------------
+# bug
+const val = 10
+ 
+type 
+  t = object
+    when val >= 10:
+      a: int