| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core -analyzer-config suppress-null-return-paths=true -analyzer-output=text -verify %s |
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| 2 | // expected-no-diagnostics |
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| 3 | |
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| 4 | int *returnNull() { return 0; } |
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| 5 | int coin(); |
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| 6 | |
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| 7 | // Use a float parameter to ensure that the value is unknown. This will create |
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| 8 | // a cycle in the generated ExplodedGraph. |
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| 9 | void testCycle(float i) { |
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| 10 | int *x = returnNull(); |
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| 11 | int y; |
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| 12 | while (i > 0) { |
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| 13 | x = returnNull(); |
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| 14 | y = 2; |
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| 15 | i -= 1; |
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| 16 | } |
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| 17 | *x = 1; // no-warning |
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| 18 | y += 1; |
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| 19 | } |
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| 20 | |
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