fix #15958

nim-lang · Nov 14, 2020 · e4e6c48 · e4e6c48
1 parent c1664f9
commit e4e6c48
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/compiler/ccgtypes.nim b/compiler/ccgtypes.nim
@@ -282,7 +282,7 @@ proc ccgIntroducedPtr(conf: ConfigRef; s: PSym, retType: PType): bool =
     result = false
   # first parameter and return type is 'lent T'? --> use pass by pointer
   if s.position == 0 and retType != nil and retType.kind == tyLent:
-    result = pt.kind != tyVar
+    result = pt.kind notin {tyVar, tyArray}
 
 proc fillResult(conf: ConfigRef; param: PNode) =
   fillLoc(param.sym.loc, locParam, param, ~"Result",

diff --git a/tests/lent/tbasic_lent_check.nim b/tests/lent/tbasic_lent_check.nim
@@ -1,4 +1,5 @@
 discard """
+  targets: "c cpp"
   output: "1"
 """
 
@@ -14,3 +15,13 @@ proc main =
   doAssert(not compiles(passToVar(viewInto(x))))
 
 main()
+
+
+#------------------------------------------------------------------------------
+# issue #15958
+
+block:
+  proc byLent[T](a: T): lent T = a
+  let a = [11,12]
+  doAssert byLent(a) == [11,12]
+  doAssert byLent(a).unsafeAddr == a.unsafeAddr