| 1 | // RUN: %clang_analyze_cc1 -triple x86_64-apple-darwin9 -analyzer-checker=core,alpha.core -analyzer-store=region -verify -fblocks %s |
| 2 | // expected-no-diagnostics |
| 3 | |
| 4 | // Here is a case where a pointer is treated as integer, invalidated as an |
| 5 | // integer, and then used again as a pointer. This test just makes sure |
| 6 | // we don't crash. |
| 7 | typedef unsigned long uintptr_t; |
| 8 | void test_pointer_invalidated_as_int_aux(uintptr_t* ptr); |
| 9 | void test_pointer_invalidated_as_int() { |
| 10 | void *x; |
| 11 | test_pointer_invalidated_as_int_aux((uintptr_t*) &x); |
| 12 | // Here we have a pointer to integer cast. |
| 13 | uintptr_t y = (uintptr_t) x; |
| 14 | } |
| 15 | |
| 16 | |