forked from OSchip/llvm-project
73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -fblocks -verify -analyzer-config eagerly-assume=false %s
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// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -fblocks -analyzer-config c++-template-inlining=false -DNO_INLINE -verify -analyzer-config eagerly-assume=false %s
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void clang_analyzer_eval(bool);
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// Do not crash on this templated code which uses a block.
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typedef void (^my_block)(void);
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static void useBlock(my_block block){}
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template<class T> class MyClass;
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typedef MyClass<float> Mf;
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template<class T>
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class MyClass
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{
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public:
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MyClass() {}
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MyClass(T a);
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void I();
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private:
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static const T one;
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};
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template<class T> const T MyClass<T>::one = static_cast<T>(1);
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template<class T> inline MyClass<T>::MyClass(T a){}
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template<class T> void MyClass<T>::I() {
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static MyClass<T>* mPtr = 0;
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useBlock(^{ mPtr = new MyClass<T> (MyClass<T>::one); });
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};
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int main(){
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Mf m;
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m.I();
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}
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// <rdar://problem/11949235>
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template<class T, unsigned N>
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inline unsigned array_lengthof(T (&)[N]) {
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return N;
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}
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void testNonTypeTemplateInstantiation() {
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const char *S[] = { "a", "b" };
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clang_analyzer_eval(array_lengthof(S) == 2);
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#ifndef NO_INLINE
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// expected-warning@-2 {{TRUE}}
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#else
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// expected-warning@-4 {{UNKNOWN}}
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#endif
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}
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namespace rdar13954714 {
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template <bool VALUE>
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bool blockInTemplate() {
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return (^() {
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return VALUE;
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})();
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}
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// force instantiation
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template bool blockInTemplate<true>();
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template <bool VALUE>
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void blockWithStatic() {
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(void)^() {
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static int x;
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return ++x;
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};
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}
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// force instantiation
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template void blockWithStatic<true>();
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}
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