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Specifically, we use the last store of the leaked symbol in the leak diagnostic.
(No support for struct fields since the malloc checker doesn't track those
yet.)
+ Infrastructure to track the regions used in store evaluations.
This approach is more precise than iterating the store to
obtain the region bound to the symbol, which is used in RetainCount
checker. The region corresponds to what is uttered in the code in the
last store and we do not rely on the store implementation to support
this functionality.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153212 91177308-0d34-0410-b5e6-96231b3b80d8
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attributes, introduced in r151188.
+ the test to catch it.
Thanks to Ahmed Charles for pointing this out.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151840 91177308-0d34-0410-b5e6-96231b3b80d8
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- Rename the category "Logic Error" -> "Memory Error".
- Shorten all the messages.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150733 91177308-0d34-0410-b5e6-96231b3b80d8
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We are not properly handling the memory regions that escape into struct
fields, which led to a bunch of false positives. Be conservative here
and give up when a pointer escapes into a struct.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150658 91177308-0d34-0410-b5e6-96231b3b80d8
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memory.
(As per one test case, the existing checker thought that this could
cause a lot of false positives - not sure if that's valid, to be
verified.)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150313 91177308-0d34-0410-b5e6-96231b3b80d8
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(use of return instead of continue), wording.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150215 91177308-0d34-0410-b5e6-96231b3b80d8
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optimistic.
TODO: actually implement the pessimistic version of the checker. Ex: it
needs to assume that any function that takes a pointer might free it.
The optimistic version relies on annotations to tell us which functions
can free the pointer.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150111 91177308-0d34-0410-b5e6-96231b3b80d8
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