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This change is 

Since we can refer go patch from here, we can manually patch go runtime for s390x so that grunning works for s390x.

Are you saying the existing patch works for s390x and all we need to do is remove s390x from the disabled list?

@rickystewart, since I am unsure of the build subtleties of the patched runtime.

Yes @sumeerbhola, go patch works fine for s390x machines, we only need to remove s390x from disabled list.
I have tested and found no regression on intel and s390x w.r.t these changes.

On a side note, we had also raised an issue previously to add s390x artifacts here fyi.

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@rickystewart Done!

bors r+

Build succeeded:

• linux_arm64_build
• lint
• linux_amd64_build
• local_roachtest
• local_roachtest_fips
• acceptance
• macos_amd64_build
• windows_build
• examples_orms
• docker_image_amd64
• linux_amd64_fips_build
• unit_tests
• check_generated_code
• macos_arm64_build