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1 // RUN: %clang_cc1 -triple i686-pc-win32 -fms-compatibility %s -emit-llvm -o - | FileCheck %s
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2
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3 #include <stddef.h>
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4
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5 struct arbitrary_t {} arbitrary;
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6 void *operator new(size_t size, arbitrary_t);
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7
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8 struct arbitrary2_t {} arbitrary2;
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9 void *operator new[](size_t size, arbitrary2_t);
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10
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11 namespace PR13164 {
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12 void f() {
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13 // MSVC will fall back on the non-array operator new.
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14 void *a;
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15 int *p = new(arbitrary) int[4];
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16 // CHECK: call i8* @"??2@YAPAXIUarbitrary_t@@@Z"(i32 16, %struct.arbitrary_t*
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17 }
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18
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19 struct S {
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20 void *operator new[](size_t size, arbitrary_t);
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21 };
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22
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23 void g() {
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24 S *s = new(arbitrary) S[2];
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25 // CHECK: call i8* @"??_US@PR13164@@SAPAXIUarbitrary_t@@@Z"(i32 2, %struct.arbitrary_t*
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26 S *s1 = new(arbitrary) S;
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27 // CHECK: call i8* @"??2@YAPAXIUarbitrary_t@@@Z"(i32 1, %struct.arbitrary_t*
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28 }
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29
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30 struct T {
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31 void *operator new(size_t size, arbitrary2_t);
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32 };
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33
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34 void h() {
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35 // This should still call the global operator new[].
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36 T *t = new(arbitrary2) T[2];
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37 // CHECK: call i8* @"??_U@YAPAXIUarbitrary2_t@@@Z"(i32 2, %struct.arbitrary2_t*
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38 }
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39 }
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