diff options
Diffstat (limited to 'test/Analysis/dtor.cpp')
-rw-r--r-- | test/Analysis/dtor.cpp | 78 |
1 files changed, 76 insertions, 2 deletions
diff --git a/test/Analysis/dtor.cpp b/test/Analysis/dtor.cpp index 1f45925..f461945 100644 --- a/test/Analysis/dtor.cpp +++ b/test/Analysis/dtor.cpp @@ -1,6 +1,7 @@ -// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,debug.ExprInspection -analyzer-store region -analyzer-ipa=inlining -cfg-add-implicit-dtors -Wno-null-dereference -verify %s +// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,debug.ExprInspection -analyzer-ipa=inlining -analyzer-config c++-inlining=destructors -Wno-null-dereference -verify %s void clang_analyzer_eval(bool); +void clang_analyzer_checkInlined(bool); class A { public: @@ -102,7 +103,7 @@ void testMultipleInheritance3() { // Remove dead bindings... doSomething(); // destructor called here - // expected-warning@27 {{Attempt to free released memory}} + // expected-warning@28 {{Attempt to free released memory}} } } @@ -227,3 +228,76 @@ namespace DestructorVirtualCalls { clang_analyzer_eval(c == 3); // expected-warning{{TRUE}} } } + + +namespace DestructorsShouldNotAffectReturnValues { + class Dtor { + public: + ~Dtor() { + clang_analyzer_checkInlined(true); // expected-warning{{TRUE}} + } + }; + + void *allocate() { + Dtor d; + return malloc(4); // no-warning + } + + void test() { + // At one point we had an issue where the statements inside an + // inlined destructor kept us from finding the return statement, + // leading the analyzer to believe that the malloc'd memory had leaked. + void *p = allocate(); + free(p); // no-warning + } +} + +namespace MultipleInheritanceVirtualDtors { + class VirtualDtor { + protected: + virtual ~VirtualDtor() { + clang_analyzer_checkInlined(true); // expected-warning{{TRUE}} + } + }; + + class NonVirtualDtor { + protected: + ~NonVirtualDtor() { + clang_analyzer_checkInlined(true); // expected-warning{{TRUE}} + } + }; + + class SubclassA : public VirtualDtor, public NonVirtualDtor { + public: + virtual ~SubclassA() {} + }; + class SubclassB : public NonVirtualDtor, public VirtualDtor { + public: + virtual ~SubclassB() {} + }; + + void test() { + SubclassA a; + SubclassB b; + } +} + +namespace ExplicitDestructorCall { + class VirtualDtor { + public: + virtual ~VirtualDtor() { + clang_analyzer_checkInlined(true); // expected-warning{{TRUE}} + } + }; + + class Subclass : public VirtualDtor { + public: + virtual ~Subclass() { + clang_analyzer_checkInlined(false); // no-warning + } + }; + + void destroy(Subclass *obj) { + obj->VirtualDtor::~VirtualDtor(); + } +} |