[Bug preprocessor/88728] Boostrap with -Og fails with garbled file libgcov-profiler.i

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88728

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |build

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think the proper way of booting with -Og would be setting BOOT_CFLAGS
rather than CFLAGS/CXXFLAGS.  Note the issue might be the use of -save-temps.