34 lines · cpp
1// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection \2// RUN: -analyzer-config eagerly-assume=false -std=c++20 -verify %s3 4template <class T> void clang_analyzer_dump(T);5void clang_analyzer_eval(bool);6 7struct Box {8 int value;9};10bool operator ==(Box lhs, Box rhs) {11 return lhs.value == rhs.value;12}13template <Box V> void dumps() {14 clang_analyzer_dump(V); // expected-warning {{lazyCompoundVal}}15 clang_analyzer_dump(&V); // expected-warning {{Unknown}}16 clang_analyzer_dump(V.value); // expected-warning {{Unknown}} FIXME: It should be '6 S32b'.17 clang_analyzer_dump(&V.value); // expected-warning {{Unknown}}18}19template void dumps<Box{6}>();20 21// [temp.param].7.3.2:22// "All such template parameters in the program of the same type with the23// same value denote the same template parameter object."24template <Box A1, Box A2, Box B1, Box B2> void stable_addresses() {25 clang_analyzer_eval(&A1 == &A2); // expected-warning {{UNKNOWN}} FIXME: It should be TRUE.26 clang_analyzer_eval(&B1 == &B2); // expected-warning {{UNKNOWN}} FIXME: It should be TRUE.27 clang_analyzer_eval(&A1 == &B2); // expected-warning {{UNKNOWN}} FIXME: It should be FALSE.28 29 clang_analyzer_eval(A1 == A2); // expected-warning {{UNKNOWN}} FIXME: It should be TRUE.30 clang_analyzer_eval(B1 == B2); // expected-warning {{UNKNOWN}} FIXME: It should be TRUE.31 clang_analyzer_eval(A1 == B2); // expected-warning {{UNKNOWN}} FIXME: It should be FALSE.32}33template void stable_addresses<Box{1}, Box{1}, Box{2}, Box{2}>();34