On Thu, Jul 08, 2010 at 06:17:49PM -0700, Roland McGrath wrote:
It's pretty hard to imagine what you could preserve across builds
of
nontrivially nonidentical source trees that would continue to line up at
the basic block level where it's meaningful to the compiler. Perhaps you
could do something reduced to terms of source line locations, or number of
basic blocks into a named function, or something. But it sounds very iffy.
Can the results be folded back into the source code in any way,
eg as comments or __attributes__?
Rich.
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