| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc,unix.MismatchedDeallocator -analyzer-store region -std=c++11 -verify %s |
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| 2 | // expected-no-diagnostics |
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| 3 | |
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| 4 | typedef __typeof(sizeof(int)) size_t; |
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| 5 | void *malloc(size_t); |
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| 6 | void free(void *); |
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| 7 | |
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| 8 | //-------------------------------------------------------------------- |
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| 9 | // Check that unix.Malloc + unix.MismatchedDeallocator does not enable |
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| 10 | // warnings produced by the alpha.cplusplus.NewDelete checker. |
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| 11 | //-------------------------------------------------------------------- |
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| 12 | void testNewDeleteNoWarn() { |
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| 13 | int i; |
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| 14 | delete &i; // no-warning |
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| 15 | |
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| 16 | int *p1 = new int; |
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| 17 | delete ++p1; // no-warning |
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| 18 | |
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| 19 | int *p2 = new int; |
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| 20 | delete p2; |
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| 21 | delete p2; // no-warning |
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| 22 | |
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| 23 | int *p3 = new int; // no-warning |
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| 24 | |
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| 25 | int *p4 = new int; |
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| 26 | delete p4; |
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| 27 | int j = *p4; // no-warning |
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| 28 | } |
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| 29 | |
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| 30 | void testUseZeroAllocNoWarn() { |
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| 31 | int *p1 = (int *)operator new(0); |
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| 32 | *p1 = 1; // no-warning |
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| 33 | |
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| 34 | int *p2 = (int *)operator new[](0); |
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| 35 | p2[0] = 1; // no-warning |
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| 36 | |
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| 37 | int *p3 = new int[0]; |
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| 38 | p3[0] = 1; // no-warning |
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| 39 | } |
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| 40 | |
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