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// RUN: %clang_analyze_cc1 -std=c++2b -verify %s \
// RUN: -analyzer-checker=core,debug.ExprInspection
template <typename T> void clang_analyzer_dump(T);
struct S {
int num;
S *orig;
void a(this auto Self) {
clang_analyzer_dump(&Self); // expected-warning {{&Self}}
clang_analyzer_dump(Self.orig); // expected-warning {{&s}}
clang_analyzer_dump(Self.num); // expected-warning {{5 S32b}}
clang_analyzer_dump(Self.orig->num); // expected-warning {{5 S32b}}
Self.num = 1;
clang_analyzer_dump(Self.num); // expected-warning {{1 S32b}}
clang_analyzer_dump(Self.orig->num); // expected-warning {{5 S32b}}
}
void b(this auto& Self) {
clang_analyzer_dump(&Self); // expected-warning {{&s}}
clang_analyzer_dump(Self.orig); // expected-warning {{&s}}
clang_analyzer_dump(Self.num); // expected-warning {{5 S32b}}
clang_analyzer_dump(Self.orig->num); // expected-warning {{5 S32b}}
Self.num = 2;
clang_analyzer_dump(Self.num); // expected-warning {{2 S32b}}
clang_analyzer_dump(Self.orig->num); // expected-warning {{2 S32b}}
}
void c(this S Self) {
clang_analyzer_dump(&Self); // expected-warning {{&Self}}
clang_analyzer_dump(Self.orig); // expected-warning {{&s}}
clang_analyzer_dump(Self.num); // expected-warning {{2 S32b}}
clang_analyzer_dump(Self.orig->num); // expected-warning {{2 S32b}}
Self.num = 3;
clang_analyzer_dump(Self.num); // expected-warning {{3 S32b}}
clang_analyzer_dump(Self.orig->num); // expected-warning {{2 S32b}}
}
void c(this S Self, int I) {
clang_analyzer_dump(I); // expected-warning {{11 S32b}}
clang_analyzer_dump(&Self); // expected-warning {{&Self}}
clang_analyzer_dump(Self.orig); // expected-warning {{&s}}
clang_analyzer_dump(Self.num); // expected-warning {{2 S32b}}
clang_analyzer_dump(Self.orig->num); // expected-warning {{2 S32b}}
Self.num = 4;
clang_analyzer_dump(Self.num); // expected-warning {{4 S32b}}
clang_analyzer_dump(Self.orig->num); // expected-warning {{2 S32b}}
}
};
void top() {
S s = {/*num=*/5, /*orig=*/&s};
s.a();
s.b(); // This call changes 's.num' to 2.
s.c();
s.c(11);
}
struct S2 {
bool operator==(this auto, S2) {
return true;
}
};
void use_deducing_this() {
int result = S2{} == S2{}; // no-crash
clang_analyzer_dump(result); // expected-warning {{1 S32b}}
}
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