[PATCH] D85630: [cmake] Don't build with -O3 -fPIC on Solaris/sparcv9

[Rainer Orth via Phabricator via llvm-commits]

ro added a comment.

In D85630#2228328 <https://reviews.llvm.org/D85630#2228328>, @ro wrote:

> 



> Unfortunately, I haven't yet made much progress investigating the failures in the 2-stage builds: a pure `Release` build is useless for that, and a `Debug` build fails in a different way.  I'm trying a `RelWithDebInfo` right now.

For the record: just switching from a `Release` to a `RelWithDebInfo` build (using -O at stages 1 and 2) reduces the number of failures to 140.  The vast majority of those are due to the lack of atomics support in 32-bit Sparc.


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