diff options
| -rw-r--r-- | compiler/pmodules.pas | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/pmodules.pas b/compiler/pmodules.pas index d5037f7d60..9094500eb5 100644 --- a/compiler/pmodules.pas +++ b/compiler/pmodules.pas @@ -614,6 +614,7 @@ implementation i: longint; def: tdef; sym: tsym; + tmpidx: Integer; begin for i:=current_module.localsymtable.deflist.count-1 downto 0 do begin @@ -633,6 +634,10 @@ implementation tprocdef(def).procsym.is_registered then tprocsym(tprocdef(def).procsym).ProcdefList.Remove(def); current_module.localsymtable.deletedef(def); + { this prevents a dangling pointer and use after free } + tmpidx:=current_module.deflist.IndexOfItem(def,FromEnd); + if tmpidx<>-1 then + current_module.deflist[tmpidx]:=nil; end; end; { from high to low so we hopefully have moves of less data } |