fixes #22058; invalid free with {.noSideEffect.} in template (#22088)

2026-04-19 14:00:35 +00:00 · 2023-06-13 18:03:20 +08:00
parent 5679f2b84c
commit 2e12d3e26b
2 changed files with 35 additions and 20 deletions
--- a/tests/arc/tmalloc.nim
+++ b/tests/arc/tmalloc.nim
@@ -0,0 +1,16 @@
+discard """
+  matrix: "--mm:arc -d:useMalloc; --mm:arc"
+"""
+
+block: # bug #22058
+  template foo(): auto =
+    {.noSideEffect.}:
+      newSeq[byte](1)
+
+  type V = object
+    v: seq[byte]
+
+  proc bar(): V =
+    V(v: foo())
+
+  doAssert bar().v == @[byte(0)]