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Fix an error introduced in #138518 #142988

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Merged
merged 3 commits into from
Jun 5, 2025
Merged

Fix an error introduced in #138518 #142988

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c7154b0
Fix an error introduced in #138518
alexfh Jun 5, 2025
42abe65
Address review comment.
alexfh Jun 5, 2025
3b2c75e
Don't make assumptions about the underlying type of size_t.
alexfh Jun 5, 2025
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4 changes: 4 additions & 0 deletions clang/lib/Sema/SemaExprCXX.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2159,6 +2159,10 @@ ExprResult Sema::BuildCXXNew(SourceRange Range, bool UseGlobal,
assert(InitStyle == CXXNewInitializationStyle::Parens &&
"paren init for non-call init");
Exprs = MultiExprArg(List->getExprs(), List->getNumExprs());
} else if (auto *List = dyn_cast_or_null<CXXParenListInitExpr>(Initializer)) {
assert(InitStyle == CXXNewInitializationStyle::Parens &&
"paren init for non-call init");
Exprs = List->getInitExprs();
}

// C++11 [expr.new]p15:
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23 changes: 23 additions & 0 deletions clang/test/SemaCXX/paren-list-init-expr.cpp
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@@ -0,0 +1,23 @@
// RUN: %clang_cc1 -std=c++20 -fsyntax-only -ast-dump %s | FileCheck %s
struct Node {
long val;
};
template <bool>
void CallNew() {
new Node(0);
}
// CHECK-LABEL: FunctionTemplateDecl {{.*}} CallNew
// CHECK: |-FunctionDecl {{.*}} CallNew 'void ()'
// CHECK: `-CXXNewExpr {{.*}} 'operator new'
// CHECK: `-CXXParenListInitExpr {{.*}} 'Node'
// CHECK: `-ImplicitCastExpr {{.*}} 'long' <IntegralCast>
// CHECK: `-IntegerLiteral {{.*}} 'int' 0
// CHECK: `-FunctionDecl {{.*}} used CallNew 'void ()' implicit_instantiation
// CHECK: |-TemplateArgument integral 'true'
// CHECK: `-CXXNewExpr {{.*}} 'operator new'
// CHECK: `-CXXParenListInitExpr {{.*}} 'Node'
// CHECK: `-ImplicitCastExpr {{.*}} 'long' <IntegralCast>
// CHECK: `-IntegerLiteral {{.*}} 'int' 0
void f() {
(void)CallNew<true>;
}
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