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Author SHA1 Message Date
Kaelyn Takata 57e07c950d Ensure all TypoExprs are diagnosed by the tree transform. 
If there is more than one TypoExpr within the expr being transformed and
any but the last TypoExpr seen don't have any viable candidates, the
tree transform will be aborted early and the remaining TypoExprs are
never seen and hence never diagnosed. This adds a simple
RecursiveASTVisitor to find all of the TypoExprs to be diagnosed in the
case where typo correction of the entire expr fails (and the result of
the tree transform is an ExprError).

llvm-svn: 222465
 2014-11-20 22:06:44 +00:00
Kaelyn Takata b16e632c64 Wire up delayed typo correction to DiagnoseEmptyLookup and set up 
Sema::ActOnIdExpression to use the new functionality.

Among other things, this allows recovery in several cases where it
wasn't possible before (e.g. correcting a mistyped static_cast<>).

llvm-svn: 222464
 2014-11-20 22:06:40 +00:00
Douglas Gregor 0201a4c2d3 When we're checking access in a dependent context, don't try to look 
at the bases of an undefined class. Fixes <rdar://problem/10438657>.

llvm-svn: 144582
 2011-11-14 23:00:43 +00:00