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[clang] Add test for CWG392 #87744

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Merged
merged 2 commits into from
Apr 6, 2024
Merged

[clang] Add test for CWG392 #87744

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4a666d6
[clang] Add test for CWG392
Endilll Apr 5, 2024
769adba
Update cxx_dr_status.html
Endilll Apr 5, 2024
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40 changes: 40 additions & 0 deletions clang/test/CXX/drs/dr392.cpp
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// RUN: %clang_cc1 -std=c++98 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
// RUN: %clang_cc1 -std=c++11 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
// RUN: %clang_cc1 -std=c++14 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
// RUN: %clang_cc1 -std=c++17 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
// RUN: %clang_cc1 -std=c++20 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
// RUN: %clang_cc1 -std=c++23 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
// RUN: %clang_cc1 -std=c++2c %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK

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Testing all language modes is overkill :)

#if __cplusplus == 199711L
#define NOTHROW throw()
#else
#define NOTHROW noexcept(true)
#endif

namespace dr392 { // dr392: 2.8

struct A {
operator bool() NOTHROW;
};

class C {
public:
C() NOTHROW;
~C() NOTHROW;
A& get() NOTHROW { return p; }
private:
A p;
};

void f()
{
if (C().get()) {}
}

} // namespace dr392

// CHECK-LABEL: define {{.*}} void @dr392::f()()
// CHECK: call {{.*}} i1 @dr392::A::operator bool()
// CHECK: call void @dr392::C::~C()
// CHECK-LABEL: }
4 changes: 2 additions & 2 deletions clang/test/CXX/drs/dr3xx.cpp
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Expand Up @@ -1401,7 +1401,7 @@ namespace dr387 { // dr387: 2.8
}
}

// FIXME: dr388 needs codegen test
// FIXME: dr388 needs libc++abi test

namespace dr389 { // dr389: no
struct S {
Expand Down Expand Up @@ -1567,7 +1567,7 @@ namespace dr391 { // dr391: 2.8 c++11
const C<int> &c = fc();
}

// dr392 FIXME write codegen test
// dr392 is in dr392.cpp
// dr394: na

namespace dr395 { // dr395: 3.0
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2 changes: 1 addition & 1 deletion clang/www/cxx_dr_status.html
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Expand Up @@ -2392,7 +2392,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
<td><a href="https://cplusplus.github.io/CWG/issues/392.html">392</a></td>
<td>CD1</td>
<td>Use of full expression lvalue before temporary destruction</td>
<td class="unknown" align="center">Unknown</td>
<td class="full" align="center">Clang 2.8</td>
</tr>
<tr id="393">
<td><a href="https://cplusplus.github.io/CWG/issues/393.html">393</a></td>
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