56 lines · cpp
1// RUN: %clang_analyze_cc1 -w -analyzer-checker=core,debug.ExprInspection -analyzer-config c++-allocator-inlining=true -std=c++11 -verify -analyzer-config eagerly-assume=false %s2 3void clang_analyzer_eval(bool);4void clang_analyzer_warnIfReached();5 6struct S {7 int x;8 S() : x(1) {}9 ~S() {}10};11 12void checkConstructorInlining() {13 S *s = new S;14 clang_analyzer_eval(s->x == 1); // expected-warning{{TRUE}}15}16 17void checkNewPODunit() {18 int *i = new int;19 clang_analyzer_eval(*i == 0); // expected-warning{{The left operand of '==' is a garbage value [core.UndefinedBinaryOperatorResult]}}20}21 22void checkNewPOD() {23 int *j = new int();24 clang_analyzer_eval(*j == 0); // expected-warning{{TRUE}}25 int *k = new int(5);26 clang_analyzer_eval(*k == 5); // expected-warning{{TRUE}}27}28 29void checkNewArray() {30 S *s = new S[10];31 32 // FIXME: Handle big array construction33 clang_analyzer_eval(s[0].x == 1); // expected-warning{{UNKNOWN}}34 clang_analyzer_eval(s[1].x == 1); // expected-warning{{UNKNOWN}}35 36 s = new S[4];37 clang_analyzer_eval(s[0].x == 1); // expected-warning{{TRUE}}38 clang_analyzer_eval(s[1].x == 1); // expected-warning{{TRUE}}39}40 41struct NullS {42 NullS() {43 if (this) {}44 }45 NullS(int x) {46 if (!this) {47 clang_analyzer_warnIfReached(); // no-warning48 }49 }50};51 52void checkNullThis() {53 NullS *nulls = new NullS(); // no-crash54 NullS *nulls2 = new NullS(0);55}56