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[Bug bootstrap/69725] profiledbootstrap failure with -flto due to unsats for isl functions


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69725

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|profiledbootstrap failure   |profiledbootstrap failure
                   |due to unsats for isl       |with -flto due to unsats
                   |functions                   |for isl functions

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
This works with ISL in my source tree (the --disable-werror option suppresses
build failures due to -Wuninitialized):
$ /src/gcc/trunk/configure --enable-languages=c,c++,fortran,go,lto,obj-c++
--enable-checking=release --disable-werror
...
$ make -j10 profiledbootstrap

What seems to break it is the -flto option in BOOT_CFLAGS.  That's also
supported by Jakub having used profiledbootstrap regularly over the last months
but without LTO.

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