builtin_return_addr vs frame_pointer_needed vs -O3

[Andreas Schwab]

Richard Henderson <rth@redhat.com> writes:

|> *shrug* Perhaps.  My thought had been that just because this
|> translation unit uses flag_omit_frame_pointer doesn't mean 
|> that the calling translation unit did.  But on the other hand
|> I suppose it's a relatively safe assumption that the entire
|> application is compiled with the same cflags.

I don't think this is safe.  Libraries also become part of the
application, but they are usually compiled in a different environment.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@suse.de
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