| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config c++-allocator-inlining=true -std=c++11 -verify %s |
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| 2 | |
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| 3 | void clang_analyzer_eval(bool); |
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| 4 | void clang_analyzer_warnIfReached(); |
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| 5 | |
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| 6 | typedef __typeof__(sizeof(int)) size_t; |
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| 7 | |
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| 8 | void *operator new(size_t size) throw() { |
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| 9 | return nullptr; |
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| 10 | } |
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| 11 | void *operator new[](size_t size) throw() { |
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| 12 | return nullptr; |
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| 13 | } |
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| 14 | |
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| 15 | struct S { |
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| 16 | int x; |
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| 17 | S() : x(1) { |
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| 18 | // FIXME: Constructor should not be called with null this, even if it was |
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| 19 | // returned by operator new(). |
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| 20 | clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}} |
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| 21 | } |
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| 22 | ~S() {} |
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| 23 | }; |
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| 24 | |
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| 25 | void testArrays() { |
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| 26 | S *s = new S[10]; // no-crash |
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| 27 | s[0].x = 2; // expected-warning{{Dereference of null pointer}} |
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| 28 | } |
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| 29 | |
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| 30 | int global; |
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| 31 | void testInvalidationOnConstructionIntoNull() { |
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| 32 | global = 0; |
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| 33 | S *s = new S(); |
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| 34 | // FIXME: Should be FALSE - we should not invalidate globals. |
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| 35 | clang_analyzer_eval(global); // expected-warning{{UNKNOWN}} |
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| 36 | } |
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| 37 | |
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