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Fixed potential crash in resolving of multiple assignment

Browse source 
https://forum.zdoom.org/viewtopic.php?t=58055
https://forum.zdoom.org/viewtopic.php?t=58237
This commit is contained in:
alexey.lysiuk 2017-10-27 18:15:24 +03:00
parent 79bdfe4ab2
commit 40a348b1f1
1 changed files with 2 additions and 0 deletions
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2
src/scripting/backend/codegen.cpp
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@ -2698,6 +2698,8 @@ FxExpression *FxMultiAssign::Resolve(FCompileContext &ctx)
auto varaccess = new FxLocalVariable(singlevar, ScriptPosition); auto varaccess = new FxLocalVariable(singlevar, ScriptPosition);
auto assignee = new FxTypeCast(varaccess, Base[i]->ValueType, false); auto assignee = new FxTypeCast(varaccess, Base[i]->ValueType, false);
LocalVarContainer->Add(new FxAssign(Base[i], assignee, false)); LocalVarContainer->Add(new FxAssign(Base[i], assignee, false));
// now temporary variable owns the current item
Base[i] = nullptr;
} }
auto x = LocalVarContainer->Resolve(ctx); auto x = LocalVarContainer->Resolve(ctx);
LocalVarContainer = nullptr; LocalVarContainer = nullptr;