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// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -analyzer-constraints=range -verify -Wno-null-dereference %s
// XFAIL
typedef typeof(sizeof(int)) size_t;
void malloc (size_t);
void f1() {
int const &i = 3; // <--- **FIXME** This is currently not being modeled correctly.
int b = i;
int *p = 0;
if (b != 3)
*p = 1; // no-warning
}
char* ptr();
char& ref();
// These next two tests just shouldn't crash.
char t1 () {
ref() = 'c';
return '0';
}
// just a sanity test, the same behavior as t1()
char t2 () {
*ptr() = 'c';
return '0';
}
// Each of the tests below is repeated with pointers as well as references.
// This is mostly a sanity check, but then again, both should work!
char t3 () {
char& r = ref();
r = 'c'; // no-warning
if (r) return r;
return *(char*)0; // no-warning
}
char t4 () {
char* p = ptr();
*p = 'c'; // no-warning
if (*p) return *p;
return *(char*)0; // no-warning
}
char t5 (char& r) {
r = 'c'; // no-warning
if (r) return r;
return *(char*)0; // no-warning
}
char t6 (char* p) {
*p = 'c'; // no-warning
if (*p) return *p;
return *(char*)0; // no-warning
}
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