forked from OSchip/llvm-project
97 lines
2.1 KiB
C++
97 lines
2.1 KiB
C++
// RUN: %clang_cc1 -analyze -analyzer-checker=core -std=c++11 -verify %s
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// expected-no-diagnostics
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// radar://11485149, PR12871
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class PlotPoint {
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bool valid;
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};
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PlotPoint limitedFit () {
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PlotPoint fit0;
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fit0 = limitedFit ();
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return fit0;
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}
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// radar://11487541, NamespaceAlias
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namespace boost {namespace filesystem3 {
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class path {
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public:
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path(){}
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};
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}}
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namespace boost
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{
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namespace filesystem
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{
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using filesystem3::path;
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}
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}
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void radar11487541() {
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namespace fs = boost::filesystem;
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fs::path p;
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}
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// PR12873 radar://11499139
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void testFloatInitializer() {
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const float ysize={0.015}, xsize={0.01};
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}
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// PR12874, radar://11487525
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template<class T> struct addr_impl_ref {
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T & v_;
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inline addr_impl_ref( T & v ): v_( v ) {
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}
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inline operator T& () const {return v_;}
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};
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template<class T> struct addressof_impl {
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static inline T * f( T & v, long ) {
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return reinterpret_cast<T*>(&const_cast<char&>(reinterpret_cast<const volatile char &>(v)));
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}
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};
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template<class T> T * addressof( T & v ) {
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return addressof_impl<T>::f( addr_impl_ref<T>( v ), 0 );
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}
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void testRadar11487525_1(){
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bool s[25];
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addressof(s);
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}
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// radar://11487525 Don't crash on CK_LValueBitCast.
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bool begin(double *it) {
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typedef bool type[25];
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bool *a = reinterpret_cast<type &>(*( reinterpret_cast<char *>( it )));
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return *a;
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}
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// radar://14164698 Don't crash on "assuming" a ComoundVal.
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class JSONWireProtocolInputStream {
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public:
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virtual ~JSONWireProtocolInputStream();
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};
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class JSONWireProtocolReader {
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public:
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JSONWireProtocolReader(JSONWireProtocolInputStream& istream)
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: _istream{istream} {} // On evaluating a bind here,
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// the dereference checker issues an assume on a CompoundVal.
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~JSONWireProtocolReader();
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private:
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JSONWireProtocolInputStream& _istream;
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};
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class SocketWireProtocolStream : public JSONWireProtocolInputStream {
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};
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void test() {
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SocketWireProtocolStream stream{};
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JSONWireProtocolReader reader{stream};
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}
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// This crashed because the analyzer did not understand AttributedStmts.
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void fallthrough() {
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switch (1) {
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case 1:
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[[clang::fallthrough]];
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}
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}
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