xref: /llvm-project/clang/test/Analysis/new-ctor-malloc.cpp (revision 3dd5a298bfff48c0939448c9b4bc987cf6bb5385)
1e769fb73SArtem Dergachev // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection,unix.Malloc -analyzer-config c++-allocator-inlining=true -analyzer-output=text -std=c++11 -verify %s
213b2026bSArtem Dergachev 
313b2026bSArtem Dergachev void clang_analyzer_eval(bool);
413b2026bSArtem Dergachev 
513b2026bSArtem Dergachev typedef __typeof__(sizeof(int)) size_t;
613b2026bSArtem Dergachev 
713b2026bSArtem Dergachev void *malloc(size_t size);
813b2026bSArtem Dergachev 
operator new(size_t size)913b2026bSArtem Dergachev void *operator new(size_t size) throw() {
10e769fb73SArtem Dergachev   void *x = malloc(size); // expected-note {{Memory is allocated}}
11e769fb73SArtem Dergachev   if (!x) // expected-note    {{Assuming 'x' is non-null}}
12e769fb73SArtem Dergachev           // expected-note@-1 {{Taking false branch}}
1313b2026bSArtem Dergachev     return nullptr;
14*3dd5a298SRoman Lebedev   // expected-warning@-1 {{null returned from function that requires a non-null return value}}
1513b2026bSArtem Dergachev   return x;
1613b2026bSArtem Dergachev }
1713b2026bSArtem Dergachev 
checkNewAndConstructorInlining()1813b2026bSArtem Dergachev void checkNewAndConstructorInlining() {
19e769fb73SArtem Dergachev   int *s = new int; // expected-note   {{Calling 'operator new'}}
20e769fb73SArtem Dergachev                     // expected-note@-1{{Returning from 'operator new'}}
2113b2026bSArtem Dergachev } // expected-warning {{Potential leak of memory pointed to by 's'}}
22e769fb73SArtem Dergachev   // expected-note@-1 {{Potential leak of memory pointed to by 's'}}
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