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CPlusPlus: Allow empty initializer lists in placement new

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Fixes: QTCREATORBUG-30798
Change-Id: Ib9945e4e721aca5f88665bd8a289ae3c54c69e65
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
This commit is contained in:
Christian Kandeler
2024-08-07 14:01:50 +02:00
parent dceabc0e0a
commit 9a8cba372b
2 changed files with 11 additions and 1 deletions
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2
src/libs/3rdparty/cplusplus/Parser.cpp vendored
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@@ -5838,7 +5838,7 @@ bool Parser::parseNewInitializer(ExpressionAST *&node)
{ {
DEBUG_THIS_RULE(); DEBUG_THIS_RULE();
if (LA() == T_LPAREN) if (LA() == T_LPAREN)
return parseExpressionListParen(node, false); return parseExpressionListParen(node, true);
else if (_languageFeatures.cxx11Enabled && LA() == T_LBRACE) else if (_languageFeatures.cxx11Enabled && LA() == T_LBRACE)
return parseBracedInitList0x(node); return parseBracedInitList0x(node);
return false; return false;

10
tests/auto/cplusplus/ast/tst_ast.cpp
View File

@@ -113,6 +113,7 @@ private slots:
void templated_dtor_4(); void templated_dtor_4();
void templated_dtor_5(); void templated_dtor_5();
void emptyMemberInitialization(); void emptyMemberInitialization();
void placementNewWithEmptyConstructorArgs();
// possible declaration-or-expression statements // possible declaration-or-expression statements
void call_call_1(); void call_call_1();
@@ -2070,6 +2071,15 @@ void tst_AST::emptyMemberInitialization()
QCOMPARE(diag.errorCount, 0); QCOMPARE(diag.errorCount, 0);
} }
void tst_AST::placementNewWithEmptyConstructorArgs()
{
const std::shared_ptr<TranslationUnit> unit(parse(
"int main()\n{ int* i = new int;\n i = new(i) int();}",
TranslationUnit::ParseTranlationUnit));
QVERIFY(unit->ast());
QCOMPARE(diag.errorCount, 0);
}
void tst_AST::initTestCase() void tst_AST::initTestCase()
{ {
control.setDiagnosticClient(&diag); control.setDiagnosticClient(&diag);