representing the names of declarations in the C family of
languages. DeclarationName is used in NamedDecl to store the name of
the declaration (naturally), and ObjCMethodDecl is now a NamedDecl.



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moment.



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Unfortunately, we're not here yet, but eventually Expr::isConstantExpr
and friends should go away.


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Eli please take a look, as I'm not sure if this gets the extension warning in the right place

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defined in a system header should be treated as system header tokens
even if they are instantiated in a different place.


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environment.


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 - RegionView and RegionViewMap is introduced to assist back-mapping from
   super region to subregions.
 - GDM is used to carry RegionView information.
 - AnonTypedRegion is added to represent a typed region introduced by pointer
   casting. Later AnonTypedRegion can be used in other similar cases, e.g.,
   malloc()'ed region.
 - The specific conversion is delegated to store manager.


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Patch by Fariborz!



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Add a test case for compound assignments that lazily symbolicate the value of the LHS when the computation type is an integer of more bits.


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Reverted part of r59335: http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20081110/009243.html
In that patch I added a bogus type promotion for unary '!'.

The real bug was more fallout from edges cases with compound assignments and conjured symbolic values.  Now the conjured value has the type of the LHS expression, and we do a promotion to the computation type.  We also now correctly do a conversion from the computation type back to the LHS type.


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