Treat repr(Rust) univariant fieldless enums as ZSTs - #49513

Merged

bors merged 6 commits into

rust-lang:masterfrom

nox:univariant-fieldless-enum-as-zst

Apr 26, 2018

Commits on Apr 26, 2018

Properly look for uninhabitedness when handling discriminants
nox
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b7c8cc4
Consistently use C_uint_big for discriminants
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1839ec5
Properly evaluate zst enum

oli-obk
authored and
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2807f4f
Add a test for casts of univariant C-like enums
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7bfe3ae
Treat repr(Rust) univariant fieldless enums as a ZST (fixes #15747)
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8f36804
Mark SingleVariant as repr(u8) in c-style-enum
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1c09977