cmd/compile: set PPC64's MAXWIDTH as other architectures

PPC64's MAXWIDTH is set as 1<<60 whereas on other 64-bit
architetures it is set as 1<<50. Set to 1<<50 for consistency. The
toolchain cannot handle such large program anyway.

May fix PPC64 build.

Change-Id: Ic3972a089b2f14a96e4ded57ef218d763c924a6a
Reviewed-on: https://go-review.googlesource.com/c/go/+/368955
Trust: Cherry Mui <cherryyz@google.com>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
1 file changed
tree: 8959d464b58ae1a566e2f94a2dc980295c6cda43
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. codereview.cfg
  12. CONTRIBUTING.md
  13. CONTRIBUTORS
  14. LICENSE
  15. PATENTS
  16. README.md
  17. SECURITY.md
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