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C++: Define DefinitionByReferenceNode

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This enables data flow through `memcpy` and similar functions modeled in
`semmle.code.cpp.model`.
This commit is contained in:
Jonas Jensen
2019-02-27 14:32:00 +01:00
parent 5647a1a658
commit 80183464d9
6 changed files with 96 additions and 3 deletions
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3
cpp/ql/test/library-tests/dataflow/dataflow-tests/test_diff.expected
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@@ -9,6 +9,9 @@
| test.cpp:136:27:136:32 | test.cpp:140:22:140:23 | AST only |
| test.cpp:395:17:395:22 | test.cpp:397:10:397:18 | AST only |
| test.cpp:421:13:421:18 | test.cpp:423:10:423:14 | AST only |
| test.cpp:430:48:430:54 | test.cpp:433:8:433:10 | AST only |
| test.cpp:436:53:436:59 | test.cpp:440:8:440:10 | AST only |
| test.cpp:436:53:436:59 | test.cpp:442:10:442:12 | AST only |
| true_upon_entry.cpp:9:11:9:16 | true_upon_entry.cpp:13:8:13:8 | IR only |
| true_upon_entry.cpp:62:11:62:16 | true_upon_entry.cpp:66:8:66:8 | IR only |
| true_upon_entry.cpp:98:11:98:16 | true_upon_entry.cpp:105:8:105:8 | IR only |