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fixes #25265; fixes #23453; Unable to build Nim 2.2.6 tools from source (#25269)

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fixes #25265;
fixes #23453

`(addr deref (ptr object))` generated weak typedesc before, which causes
problems for old GCC versions. As a bonus, by generating a typedesc for
`deref (ptr object)`, it also fixes #23453
This commit is contained in:
ringabout
2025-11-08 13:04:05 +08:00
committed by GitHub
parent 839cbeb371
commit 92468e99f7
1 changed files with 4 additions and 0 deletions
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4
compiler/ccgexprs.nim
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@@ -919,6 +919,10 @@ proc genDeref(p: BProc, e: PNode, d: var TLoc) =
return
else:
a = initLocExprSingleUse(p, e[0])
if e.typ != nil and e.typ.kind == tyObject:
# bug #23453 #25265
discard getTypeDesc(p.module, e.typ)
if d.k == locNone:
# dest = *a; <-- We do not know that 'dest' is on the heap!
# It is completely wrong to set 'd.storage' here, unless it's not yet