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...IR without turning it back into a tree. Furthermore, if we had better information about this in the IR, we could augment ASan to detect use-after-scope. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20141105/79547fa9/attachment.html>

Here are some comments. It seems to me there are 2 (mostly separate) aspects: 1. Teaching clang how to do domination / post-domination analysis, so that the lifetime information (alloca/dealloca, or lifetime markers) can be set in the right locations in the IR. Such an analysis should be able to understand the language scopes, as well as labels / gotos and EH. The results of this analysis