[committed] Testsuite: Various fixes for nios2.
Thu Nov 11 14:56:18 GMT 2021
I've pushed the attached patch to clean up some test failures I've seen
on nios2-elf. This target defaults to -fno-delete-null-pointer-checks
so any optimization tests that depend on assumptions that valid pointers
are non-zero have to be marked explicitly. The others ought to be
obvious, except perhaps struct-by-value-1.c which was giving a link
error about overflowing the small data region without -G0.
My last set of test results were pretty messy but I think almost all of
the problems are not nios2-specific (e.g., PR103166, PR103163). I think
it is better to wait until we're into stage 3 and the churn settles down
some before I make another pass to triage remaining nios2-specific
problems, but I might as well check in what I have now instead of
sitting on it.
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