// Test without PCH // RUN: %clang_cc1 -fsyntax-only -include %S/delete-mismatch.h -fdiagnostics-parseable-fixits -std=c++11 %s 2>&1 | FileCheck %s // Test with PCH // RUN: %clang_cc1 -x c++-header -std=c++11 -emit-pch -o %t %S/delete-mismatch.h // RUN: %clang_cc1 -std=c++11 -include-pch %t -DWITH_PCH -fsyntax-only -verify %s -ast-dump void f(int a[10][20]) { delete a; // expected-warning {{'delete' applied to a pointer-to-array type}} // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:9-[[@LINE-1]]:9}:"[]" } namespace MemberCheck { struct S { int *a = new int[5]; // expected-note4 {{allocated with 'new[]' here}} int *b; int *c; static int *d; S(); S(int); ~S() { delete a; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} delete b; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} delete[] c; // expected-warning {{'delete[]' applied to a pointer that was allocated with 'new'; did you mean 'delete'?}} } void f(); }; void S::f() { delete a; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} delete b; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} } S::S() : b(new int[1]), c(new int) {} // expected-note3 {{allocated with 'new[]' here}} // expected-note@-1 {{allocated with 'new' here}} S::S(int i) : b(new int[i]), c(new int) {} // expected-note3 {{allocated with 'new[]' here}} // expected-note@-1 {{allocated with 'new' here}} struct S2 : S { ~S2() { delete a; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} } }; int *S::d = new int[42]; // expected-note {{allocated with 'new[]' here}} void f(S *s) { int *a = new int[1]; // expected-note {{allocated with 'new[]' here}} delete a; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} delete s->a; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} delete s->b; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} delete s->c; delete s->d; delete S::d; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} } // At least one constructor initializes field with matching form of 'new'. struct MatchingNewIsOK { int *p; bool is_array_; MatchingNewIsOK() : p{new int}, is_array_(false) {} explicit MatchingNewIsOK(unsigned c) : p{new int[c]}, is_array_(true) {} ~MatchingNewIsOK() { if (is_array_) delete[] p; else delete p; } }; // At least one constructor's body is missing; no proof of mismatch. struct CantProve_MissingCtorDefinition { int *p; CantProve_MissingCtorDefinition(); CantProve_MissingCtorDefinition(int); ~CantProve_MissingCtorDefinition(); }; CantProve_MissingCtorDefinition::CantProve_MissingCtorDefinition() : p(new int) { } CantProve_MissingCtorDefinition::~CantProve_MissingCtorDefinition() { delete[] p; } struct base {}; struct derived : base {}; struct InitList { base *p, *p2 = nullptr, *p3{nullptr}, *p4; InitList(unsigned c) : p(new derived[c]), p4(nullptr) {} // expected-note {{allocated with 'new[]' here}} InitList(unsigned c, unsigned) : p{new derived[c]}, p4{nullptr} {} // expected-note {{allocated with 'new[]' here}} ~InitList() { delete p; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} delete [] p; delete p2; delete [] p3; delete p4; } }; } namespace NonMemberCheck { #define DELETE_ARRAY(x) delete[] (x) #define DELETE(x) delete (x) void f() { int *a = new int(5); // expected-note2 {{allocated with 'new' here}} delete[] a; // expected-warning {{'delete[]' applied to a pointer that was allocated with 'new'; did you mean 'delete'?}} int *b = new int; delete b; int *c{new int}; // expected-note {{allocated with 'new' here}} int *d{new int[1]}; // expected-note2 {{allocated with 'new[]' here}} delete [ ] c; // expected-warning {{'delete[]' applied to a pointer that was allocated with 'new'; did you mean 'delete'?}} // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:9-[[@LINE-1]]:17}:"" delete d; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:9-[[@LINE-1]]:9}:"[]" DELETE_ARRAY(a); // expected-warning {{'delete[]' applied to a pointer that was allocated with 'new'; did you mean 'delete'?}} DELETE(d); // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}} } } namespace MissingInitializer { template struct Base { struct S { const T *p1 = nullptr; const T *p2 = new T[3]; }; }; void null_init(Base::S s) { delete s.p1; delete s.p2; } } #ifndef WITH_PCH pch_test::X::X() : a(new int[1]) // expected-note{{allocated with 'new[]' here}} { } pch_test::X::X(int i) : a(new int[i]) // expected-note{{allocated with 'new[]' here}} { } #endif