| // RUN: %clang_analyze_cc1 -analyzer-checker=core -analyzer-output=text -analyzer-config graph-trim-interval=5 -analyzer-config suppress-null-return-paths=false -verify %s |
| // RUN: %clang_analyze_cc1 -analyzer-checker=core -analyzer-output=plist-multi-file -analyzer-config graph-trim-interval=5 -analyzer-config suppress-null-return-paths=false %s -o %t.plist |
| // RUN: %normalize_plist <%t.plist | diff -ub %S/Inputs/expected-plists/eager-reclamation-path-notes.cpp.plist - |
| |
| typedef struct { |
| int getValue(); |
| } IntWrapper; |
| |
| IntWrapper *getNullWrapper() { |
| return 0; |
| // expected-note@-1 {{Returning null pointer}} |
| } |
| |
| int memberCallBaseDisappears() { |
| // In this case, we need the lvalue-to-rvalue cast for 'ptr' to disappear, |
| // which means we need to trigger reclamation between that and the -> |
| // operator. |
| // |
| // Note that this test is EXTREMELY brittle because it's a negative test: |
| // we want to show that even if the node for the rvalue of 'ptr' disappears, |
| // we get the same results as if it doesn't. The test should never fail even |
| // if our node reclamation policy changes, but it could easily not be testing |
| // anything at that point. |
| IntWrapper *ptr = getNullWrapper(); |
| // expected-note@-1 {{Calling 'getNullWrapper'}} |
| // expected-note@-2 {{Returning from 'getNullWrapper'}} |
| // expected-note@-3 {{'ptr' initialized to a null pointer value}} |
| |
| // Burn some nodes to trigger reclamation. |
| int unused = 1; |
| (void)unused; |
| |
| return ptr->getValue(); // expected-warning {{Called C++ object pointer is null}} |
| // expected-note@-1 {{Called C++ object pointer is null}} |
| } |
| |