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Sam Blackshear 30a7a2fd8e Fixing Symexec_memory error that occurs when dereferencing the return value of an undefined function ... Summary: @​public Infer previously did not work correctly when a function returns the result of a skip function: ``` retUndef() { x = undefined(); return x; } derefUndef() { y = retUndef(); y.doSomething(); // Symexec_memory_error here, prevents spec inference } ``` The problem is that angelic mode did not know to add the return value of `retUndef()` to the footprint. This diff fixes the problem by adding return values marked with the `Aundef` attribute to the footprint. This is done lazily (e.g., a value only gets added to the footprint when you try to deref it). Reviewed By: @jvillard Differential Revision: D2444929		9 years ago
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c	[clang] [3 of 3] Changes to the translation of record, classes and enums	10 years ago
cpp/frontend	[Frontend][C++] Use Sil.class for C++ class/struct/union types	10 years ago
java	Fixing Symexec_memory error that occurs when dereferencing the return value of an undefined function	9 years ago
llvm	Handle source location metadata generated by clang wrapper.	10 years ago
objc	[clang] Fix tests so that they pass with xcode 7	10 years ago
objcpp/frontend/funcoverloading	[copyrightor] format start and end of copyright comments	10 years ago