From a7711d452d655c4e4c109ecea87e307ce3bc63aa Mon Sep 17 00:00:00 2001
From: ringabout <43030857+ringabout@users.noreply.github.com>
Date: Tue, 11 Mar 2025 16:59:55 +0800
Subject: [PATCH] fixes #24754; {.gcsafe.} block breaks move analysis (#24757)

fixes #24754
---
 compiler/injectdestructors.nim |  2 +-
 tests/arc/tarcmisc.nim         | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/compiler/injectdestructors.nim b/compiler/injectdestructors.nim
index b0fa733982..ce9164058a 100644
--- a/compiler/injectdestructors.nim
+++ b/compiler/injectdestructors.nim
@@ -1164,7 +1164,7 @@ proc moveOrCopy(dest, ri: PNode; c: var Con; s: var Scope, flags: set[MoveOrCopy
         c.finishCopy(result, dest, flags, isFromSink = false)
     of nkHiddenSubConv, nkHiddenStdConv, nkConv, nkObjDownConv, nkObjUpConv, nkCast:
       result = c.genSink(s, dest, p(ri, c, s, sinkArg), flags)
-    of nkStmtListExpr, nkBlockExpr, nkIfExpr, nkCaseStmt, nkTryStmt:
+    of nkStmtListExpr, nkBlockExpr, nkIfExpr, nkCaseStmt, nkTryStmt, nkPragmaBlock:
       template process(child, s): untyped = moveOrCopy(dest, child, c, s, flags)
       # We know the result will be a stmt so we use that fact to optimize
       handleNestedTempl(ri, process, willProduceStmt = true)
diff --git a/tests/arc/tarcmisc.nim b/tests/arc/tarcmisc.nim
index 12d67a999b..f8a50c0d21 100644
--- a/tests/arc/tarcmisc.nim
+++ b/tests/arc/tarcmisc.nim
@@ -898,3 +898,17 @@ proc bar =
   mutate(("1.2", 0, 0))
 
 bar()
+
+block: # bug #24754
+  type NoCopy = object
+    id: int
+
+  proc `=copy`(a: var NoCopy, b: NoCopy) {.error.}
+
+
+  proc foo(): NoCopy =
+    {.gcsafe.}:
+      let s = 12
+      NoCopy(id: s)
+
+  doAssert foo().id == 12