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Re: [mainline/4.0?] Fix 32-bit ieee tests on Linux/x86-64
> Yes, it can. But, testsuite improvements can also reveal subsequent
> compiler breakage. And, make it easier for people to see breakage by
> reducing noise. And, make users feel better by seeing fewer spurious
> failures. So, in my opinion, the risks are worthwhile.
I respectfully dissent here: the only way to guarantee a regression-free
compiler is to change the set of regression tests only monotically, i.e.
basically to only add new tests.