https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105753

fiesh at zefix dot tv changed:

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--- Comment #8 from fiesh at zefix dot tv ---
Created attachment 54054
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54054&action=edit
Two preprocessed files reproducing the issue only at -O3

I seem to also have run into this bug, but maybe my test case is different.

Compiling like this results in the same ICE:

% avr-g++ -O3 -o pheat pheat-IPAddress.ii pheat-Print.ii -flto -mmcu=atmega2560

A lower optimization level does not suffice to trigger it.

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