RFR: 8242244: Remove redundant ELF machine definitions

[John Paul Adrian Glaubitz]

Hi Magnus!

On 4/28/20 1:12 PM, Magnus Ihse Bursie wrote:
> It does not work when I use the Oracle devkit. That linux/elf-em.h headers does not have the EM_AARCH64 define. Since this is a very actively used environment used to build OpenJDK, I'd say your assumption in the original bug "[...] unless the JDK is supposed to be built on systems older than that" was incorrect.

Ok, thank you. Does the Oracle devkit define EM_486 or does that need to be there as well?

> Recommending that you back out this change.

Apologies for the breakage. I should have done more testing.

Adrian

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 .''`.  John Paul Adrian Glaubitz
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