llvm-for-llvmta/tools/clang/test/Analysis/misc-ps-region-store-x86_64.m

16 lines
607 B
Objective-C

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