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C++: Add a 'allowInterproceduralFlow' predicate to the 'MustFlow' library to and use it instead of checking the enclosing callables after computing the dataflow graph.

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Mathias Vorreiter Pedersen
2022-08-02 13:43:01 +01:00
parent b906c1a6b7
commit 5181cc1295
3 changed files with 32 additions and 18 deletions
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13
cpp/ql/test/query-tests/Likely Bugs/Memory Management/ReturnStackAllocatedMemory/ReturnStackAllocatedMemory.expected
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@@ -100,12 +100,6 @@ edges
| test.cpp:190:10:190:13 | Unary | test.cpp:190:10:190:13 | (reference dereference) |
| test.cpp:190:10:190:13 | Unary | test.cpp:190:10:190:13 | (reference to) |
| test.cpp:190:10:190:13 | pRef | test.cpp:190:10:190:13 | Unary |
| test.cpp:225:14:225:15 | px | test.cpp:226:10:226:11 | Load |
| test.cpp:226:10:226:11 | Load | test.cpp:226:10:226:11 | px |
| test.cpp:226:10:226:11 | px | test.cpp:226:10:226:11 | StoreValue |
| test.cpp:231:16:231:17 | & ... | test.cpp:225:14:225:15 | px |
| test.cpp:231:17:231:17 | Unary | test.cpp:231:16:231:17 | & ... |
| test.cpp:231:17:231:17 | x | test.cpp:231:17:231:17 | Unary |
nodes
| test.cpp:17:9:17:11 | & ... | semmle.label | & ... |
| test.cpp:17:9:17:11 | StoreValue | semmle.label | StoreValue |
@@ -221,13 +215,6 @@ nodes
| test.cpp:190:10:190:13 | Unary | semmle.label | Unary |
| test.cpp:190:10:190:13 | Unary | semmle.label | Unary |
| test.cpp:190:10:190:13 | pRef | semmle.label | pRef |
| test.cpp:225:14:225:15 | px | semmle.label | px |
| test.cpp:226:10:226:11 | Load | semmle.label | Load |
| test.cpp:226:10:226:11 | StoreValue | semmle.label | StoreValue |
| test.cpp:226:10:226:11 | px | semmle.label | px |
| test.cpp:231:16:231:17 | & ... | semmle.label | & ... |
| test.cpp:231:17:231:17 | Unary | semmle.label | Unary |
| test.cpp:231:17:231:17 | x | semmle.label | x |
#select
| test.cpp:17:9:17:11 | StoreValue | test.cpp:17:10:17:11 | mc | test.cpp:17:9:17:11 | StoreValue | May return stack-allocated memory from $@. | test.cpp:17:10:17:11 | mc | mc |
| test.cpp:25:9:25:11 | StoreValue | test.cpp:23:18:23:19 | mc | test.cpp:25:9:25:11 | StoreValue | May return stack-allocated memory from $@. | test.cpp:23:18:23:19 | mc | mc |