Files
RedBear-OS/local/recipes/dev/libclc/source/clang/test/Analysis/reinterpret-cast.cpp
T
vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class)
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

115 lines
2.2 KiB
C++

// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify %s
void clang_analyzer_eval(bool);
typedef struct Opaque *Data;
struct IntWrapper {
int x;
};
struct Child : public IntWrapper {
void set() { x = 42; }
};
void test(Data data) {
Child *wrapper = reinterpret_cast<Child*>(data);
// Don't crash when upcasting here.
// We don't actually know if 'data' is a Child.
wrapper->set();
clang_analyzer_eval(wrapper->x == 42); // expected-warning{{TRUE}}
}
namespace PR14872 {
class Base1 {};
class Derived1 : public Base1 {};
Derived1 *f1();
class Base2 {};
class Derived2 : public Base2 {};
void f2(Base2 *foo);
void f3(void** out)
{
Base1 *v;
v = f1();
*out = v;
}
void test()
{
Derived2 *p;
f3(reinterpret_cast<void**>(&p));
// Don't crash when upcasting here.
// In this case, 'p' actually refers to a Derived1.
f2(p);
}
}
namespace rdar13249297 {
struct IntWrapperSubclass : public IntWrapper {};
struct IntWrapperWrapper {
IntWrapper w;
};
void test(IntWrapperWrapper *ww) {
reinterpret_cast<IntWrapperSubclass *>(ww)->x = 42;
clang_analyzer_eval(reinterpret_cast<IntWrapperSubclass *>(ww)->x == 42); // expected-warning{{TRUE}}
clang_analyzer_eval(ww->w.x == 42); // expected-warning{{TRUE}}
ww->w.x = 0;
clang_analyzer_eval(reinterpret_cast<IntWrapperSubclass *>(ww)->x == 42); // expected-warning{{FALSE}}
}
}
namespace PR15345 {
class C {};
class Base {
public:
void (*f)();
int x;
};
class Derived : public Base {};
void test() {
Derived* p;
*(reinterpret_cast<void**>(&p)) = new C;
p->f(); // expected-warning{{Called function pointer is an uninitialized pointer value [core.CallAndMessage]}}
};
} // namespace PR15345
int trackpointer_std_addressof() {
int x;
int *p = (int*)&reinterpret_cast<const volatile char&>(x);
*p = 6;
return x; // no warning
}
void set_x1(int *&);
void set_x2(void *&);
int radar_13146953(void) {
int *x = 0, *y = 0;
set_x1(x);
set_x2((void *&)y);
return *x + *y; // no warning
}
namespace PR25426 {
struct Base {
int field;
};
struct Derived : Base { };
void foo(int &p) {
Derived &d = (Derived &)(p);
d.field = 2;
}
}