Merge pull request #13006 from hoelzl/pr-placement-delete

Add placement deletes to avoid warnings on VC++

1 files changed, 8 insertions, 0 deletions

diff --git a/core/os/memory.h b/core/os/memory.h
index f8b3da579b..7801d56837 100644
--- a/core/os/memory.h
+++ b/core/os/memory.h
@@ -72,6 +72,14 @@ void *operator new(size_t p_size, void *(*p_allocfunc)(size_t p_size)); ///< ope
 
 void *operator new(size_t p_size, void *p_pointer, size_t check, const char *p_description); ///< operator new that takes a description and uses a pointer to the preallocated memory
 
+#ifdef _MSC_VER
+// When compiling with VC++ 2017, the above declarations of placement new generate many irrelevant warnings (C4291).
+// The purpose of the following definitions is to muffle these warnings, not to provide a usable implementation of placement delete.
+void operator delete(void *p_mem, const char *p_description);
+void operator delete(void *p_mem, void *(*p_allocfunc)(size_t p_size));
+void operator delete(void *p_mem, void *p_pointer, size_t check, const char *p_description);
+#endif
+
 #define memalloc(m_size) Memory::alloc_static(m_size)
 #define memrealloc(m_mem, m_size) Memory::realloc_static(m_mem, m_size)
 #define memfree(m_size) Memory::free_static(m_size)