fixes #25369 (#25370)

fixes #25369

Author: ringabout

compiler/injectdestructors.nim

@@ -969,7 +969,7 @@ proc p(n: PNode; c: var Con; s: var Scope; mode: ProcessMode; tmpFlags = {sfSing
                       isInProc
 
               if isGlobalPragma:
-                c.graph.procGlobals.add n
+                c.graph.procGlobals.add newTree(nkFastAsgn, v, ri)
               else:
                 let value = moveOrCopy(v, ri, c, s, if v.kind == nkSym: {IsDecl} else: {})
                 result.add value

tests/global/mglobal3.nim

@@ -0,0 +1,2 @@
+proc v*() =
+  let u {.global.} = default(ref int)

tests/global/tglobal3.nim

@@ -62,3 +62,7 @@ proc m2()  =
   assert v == "123"
 
 m2()
+
+import mglobal3
+block:
+  v()