[cfe-commits] [PATCH] VisitInitListExpr

[Zhongxing Xu]

This patch implements GRExprEngine::VisitInitListExpr(). CompoundValsData is
added to BasicValue classes. I found it can represent recursive struct
compound value, so we do not need to flatten struct init list values. (not
implemented in this patch).

A full visit is done on each initializer bacause initializer can contain
arbitrary expressions. But no state splitting is allowed. Reasons are: state
splitting is rare in initializers, and implementing state splitting is not
easy when visiting a unknown length sequence of expressions.

I post this patch for review since it involves some heavy design. Thanks.
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