[Bug 1361940] Re: patches for cgo on arm64

[Michael Hudson-Doyle]

** Patch added: "0002-debug-elf-support-arm64-relocations.patch"
   https://bugs.launchpad.net/ubuntu/+source/gcc-4.9/+bug/1361940/+attachment/4187909/+files/0002-debug-elf-support-arm64-relocations.patch

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Title:
  patches for cgo on arm64

Status in “gcc-4.9” package in Ubuntu:
  New

Bug description:
  Hi, I'm attaching three patches that are required to make cgo work
  well with gccgo on arm64.

  0001-compiler-symbol-names-should-have-.-replaced-with-_.patch -- this isn't actually arm64 specific at all, but a general gccgo/cgo problem
  0002-debug-elf-support-arm64-relocations.patch -- cgo parses dwarf data from .o files and can't do it without this
  0003-Enable-cgo-by-default-on-linux-arm64.patch -- this means that I don't have to remember to run export CGO_ENABLED=1 all the time

  Let me know if you need any more info.

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