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Fix ValueFlow crash (#4461)

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chrchr-github 2022-09-13 12:25:15 +02:00 committed by GitHub
parent 3887d6dde1
commit e904f7341e
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2 changed files with 13 additions and 2 deletions
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6
lib/valueflow.cpp
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@ -4818,8 +4818,10 @@ static void valueFlowAfterMove(TokenList* tokenlist, SymbolDatabase* symboldatab
value.setKnown();
setTokenValue(tok, value, settings);
const Token * const endOfVarScope = var->scope()->bodyEnd;
valueFlowForward(tok->next(), endOfVarScope, tok, std::move(value), tokenlist);
if (var->scope()) {
const Token* const endOfVarScope = var->scope()->bodyEnd;
valueFlowForward(tok->next(), endOfVarScope, tok, std::move(value), tokenlist);
}
continue;
}
ValueFlow::Value::MoveKind moveKind;

9
test/testvalueflow.cpp
View File

@ -6789,6 +6789,15 @@ private:
" for (b c : {b{}, {}}) {}\n"
"}\n";
valueOfTok(code, "c");
code = "class T {\n"
"private slots:\n"
" void f() { D& r = dynamic_cast<D&>(*m); }\n"
" void g() { m.reset(new D); }\n"
"private:\n"
" std::shared_ptr<B> m;\n"
"};\n";
valueOfTok(code, "r");
}
void valueFlowHang() {