[Bug general/24498] 0.176: isn't LTO ready

mark at klomp dot org sourceware-bugzilla@sourceware.org
Thu Apr 16 17:04:52 GMT 2020


--- Comment #16 from Mark Wielaard <mark at klomp dot org> ---
Various self tests fail when everything is build with LTO.

In particular various files contain .gnu.lto_ sections with SHF_EXCLUDE set.
This is an interesting flag since it is treated as a generic section flag, but
really isn't. I proposed the following patch to work around it for now:
But see also the following discussion:

Another issue is that ET_REL files don't contain normal DWARF .debug_ sections,
but .gnu.debuglto_.debug_* sections. Which libdw doesn't recognize. Still
working on that.

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