https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97208

--- Comment #1 from Romain Naour <romain.naour at gmail dot com> ---
Hello, 

I had to disable -ftree-loop-distribute-patterns while building the kernel on
microblaze (using -Os).

The regression appear since the commit [1] that moved
-ftree-loop-distribute-patterns from -O3 to -O2 (-Os) optimization level.

I guess this behavior change should be documented in the gcc 10 changes page
[2]?

[1]
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=5879ab5fafedc8f6f9bfe95a4cf8501b0df90edd

[2] https://gcc.gnu.org/gcc-10/changes.html

Best regards,
Romain

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