From f35c9cf73ddb3150ab6dbe449db4975866ee8a11 Mon Sep 17 00:00:00 2001
From: metagn <10591326+metagn@users.noreply.github.com>
Date: Fri, 15 Jul 2022 13:37:08 +0300
Subject: [PATCH] fix #20002 (#20004)

While this fix seems innocent,
this unlocks the hidden behavior of
method calls not being able to call
gensym'ed routines inside templates.
---
 compiler/semtempl.nim              | 2 +-
 tests/template/tinnerouterproc.nim | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 tests/template/tinnerouterproc.nim

diff --git a/compiler/semtempl.nim b/compiler/semtempl.nim
index a599edb9c5..1f76aff751 100644
--- a/compiler/semtempl.nim
+++ b/compiler/semtempl.nim
@@ -78,7 +78,7 @@ proc symChoice(c: PContext, n: PNode, s: PSym, r: TSymChoiceRule;
     result = newNodeIT(kind, info, newTypeS(tyNone, c))
     a = initOverloadIter(o, c, n)
     while a != nil:
-      if a.kind != skModule and (not isField or sfGenSym notin s.flags):
+      if a.kind != skModule and (not isField or sfGenSym notin a.flags):
         incl(a.flags, sfUsed)
         markOwnerModuleAsUsed(c, a)
         result.add newSymNode(a, info)
diff --git a/tests/template/tinnerouterproc.nim b/tests/template/tinnerouterproc.nim
new file mode 100644
index 0000000000..1f15fb13e0
--- /dev/null
+++ b/tests/template/tinnerouterproc.nim
@@ -0,0 +1,8 @@
+block: # #20002
+  proc bar(x: int): int = 10
+  template foo =
+    proc bar(x: int): int {.gensym.} = x + 2
+    doAssert bar(3) == 5
+    discard 3.bar # evaluates to 10 but only check if it compiles for now
+  block:
+    foo()