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[committed] libstdc++: Adjust testcase for constexpr placement new [PR115744]

Message ID 20240820205308.296810-1-jwakely@redhat.com
State New
Headers show
Series [committed] libstdc++: Adjust testcase for constexpr placement new [PR115744] | expand

Commit Message

Jonathan Wakely Aug. 20, 2024, 8:52 p.m. UTC 
Tested x86_64-linux. Pushed to trunk.

-- >8 --

This test now fails in C++26 mode because the declaration in <new> is
constexpr and the one in the test isn't. Add constexpr to the test.

libstdc++-v3/ChangeLog:

	PR libstdc++/115744
	* testsuite/18_support/headers/new/synopsis.cc [C++26]: Add
	constexpr to placement operator new and operator new[].
---
 .../testsuite/18_support/headers/new/synopsis.cc         | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
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Patch

diff --git a/libstdc++-v3/testsuite/18_support/headers/new/synopsis.cc b/libstdc++-v3/testsuite/18_support/headers/new/synopsis.cc
index 5c83956b584..479f0df12b5 100644
--- a/libstdc++-v3/testsuite/18_support/headers/new/synopsis.cc
+++ b/libstdc++-v3/testsuite/18_support/headers/new/synopsis.cc
@@ -46,8 +46,13 @@  void* operator new[](std::size_t size, const std::nothrow_t&) throw();
 void  operator delete[](void* ptr) throw();
 void  operator delete[](void* ptr, const std::nothrow_t&) throw();
 
-void* operator new  (std::size_t size, void* ptr) throw();
-void* operator new[](std::size_t size, void* ptr) throw();
+#if __cplusplus > 202302L
+# define CXX26_CONSTEXPR constexpr
+#else
+# define CXX26_CONSTEXPR
+#endif
+CXX26_CONSTEXPR void* operator new  (std::size_t size, void* ptr) throw();
+CXX26_CONSTEXPR void* operator new[](std::size_t size, void* ptr) throw();
 void  operator delete  (void* ptr, void*) throw();
 void  operator delete[](void* ptr, void*) throw();