From e2f577b5e2dcaa04f7fe739f842974f643fe9897 Mon Sep 17 00:00:00 2001
From: HappyDOGE <28511119+HappyDOGE@users.noreply.github.com>
Date: Thu, 28 Jul 2022 17:48:29 +0300
Subject: [PATCH] fix placement new

---
 mathlib/polyhedron.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mathlib/polyhedron.cpp b/mathlib/polyhedron.cpp
index 19dfd102..24ab0462 100644
--- a/mathlib/polyhedron.cpp
+++ b/mathlib/polyhedron.cpp
@@ -11,7 +11,9 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include "tier1/utlvector.h"
-
+#ifdef COMPILER_MSVC
+#include <new>
+#endif
 
 
 struct GeneratePolyhedronFromPlanes_Point;
@@ -82,7 +84,7 @@ CPolyhedron_AllocByNew *CPolyhedron_AllocByNew::Allocate( unsigned short iVertic
 										(iIndices * sizeof( Polyhedron_IndexedLineReference_t )) + 
 										(iPolygons * sizeof( Polyhedron_IndexedPolygon_t )));
 
-	CPolyhedron_AllocByNew *pAllocated = (CPolyhedron_AllocByNew*)pMemory;
+	CPolyhedron_AllocByNew *pAllocated = new ( pMemory ) CPolyhedron_AllocByNew;
 
 	pAllocated->iVertexCount = iVertices;
 	pAllocated->iLineCount = iLines;