https://sourceware.org/bugzilla/show_bug.cgi?id=21066
Cary Coutant <ccoutant at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2017-01-24
Ever confirmed|0 |1
--- Comment #1 from Cary Coutant <ccoutant at gmail dot com> ---
The problem here is that the two functions are identical in every aspect,
except for the LSDA in .gcc_except_table. Since the LSDA has relocations
pointing to the code, but not the other way around, the linker's ICF code
doesn't spot the difference.
It looks like we'll have to disable ICF for any functions that have an LSDA
associated with them. A more ambitious approach might be to try to parse the
LSDAs for each function and include their contents and relocations as part of
the function's signature.
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