Allow specification of the system V AMD64 ABI constraint.#34494

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bors merged 9 commits intorust-lang:masterfrom CensoredUsername:allow_sysV64_abi

Sep 1, 2016

+519-9

Commits on Aug 30, 2016

Allow specification of the system V AMD64 ABI constraint.
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Change ABI string from sysV64 to sysv64
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Feature gate the sysv64 abi as feature(abi_sysv64) and add tests
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Add the sysv64 calling convention to the list of known calling conventions and add the feature(abi_sysv64) to the list of known features
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Select the proper x86_64 ABI based first and foremost on the specified calling convention instead of just looking at the selected platform
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Guard against platforms on which the sysv64 calling convention is not valid in non-codegen tests. Remove false positive in a test that relied on the exact formatting of an error string and rewrite …
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Remove useless //ignore-arch directives on a compile-fail test, and add another test that checks if the sysv64 abi corresponds to the same rules as the C abi on unix platforms
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Commits on Aug 31, 2016

Add a tracking issue to the feature gate of the sysv64 ABI
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Commits on Sep 1, 2016

the win64 calling convention is also used on x86_64-pc-windows-gnu, so ignore windows entirely instead of just msvc
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