Jakob Stoklund Olesen a12095d26d Move tree navigation to a new Path class that doesn't have to be a template. ...

The path also holds a reference to the root node, and that allows important
iterator accessors like start() and stop() to have no conditional code. (When
the compiler is clever enough to remove it.)

llvm-svn: 120165

2010-11-26 01:39:40 +00:00

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