[Bug target/123102] [ARM] Different runtime with -O1 for csmith code

[sjames at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123102

Sam James <sjames at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |sjames at gcc dot gnu.org

--- Comment #7 from Sam James <sjames at gcc dot gnu.org> ---
Created attachment 63058
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63058&action=edit
test.c

This is what I've got so far from cvise, I haven't tidied it up or hand-reduced
it more yet to get rid of the CRC infra.