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buildbots.
On Windows targets, enums always get an underlying type of 'int', even
if they have wider enumerators. (This is non-conforming, but it's
effectively part of the target ABI.)
llvm-svn: 336013
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not like bit-fields.
We used to get this right "by accident", because conversions for the
selected built-in overloaded operator would convert the enum bit-field
to its corresponding underlying type early. But after DR1687 that no
longer happens.
Technically this change should also apply to C, where bit-fields only
have special promotion rules if the bit-field's declared type is
_Bool, int, signed int, or unsigned int, but for GCC compatibility we
only look at the bit-width and not the underlying type when performing
bit-field integral promotions in C.
llvm-svn: 335925
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Move the logic for determining the `wchar_t` type information into the
driver. Rather than passing the single bit of information of
`-fshort-wchar` indicate to the frontend the desired type of `wchar_t`
through a new `-cc1` option of `-fwchar-type` and indicate the
signedness through `-f{,no-}signed-wchar`. This replicates the current
logic which was spread throughout Basic into the
`RenderCharacterOptions`.
Most of the changes to the tests are to ensure that the frontend uses
the correct type. Add a new test set under `test/Driver/wchar_t.c` to
ensure that we calculate the proper types for the various cases.
llvm-svn: 315126
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VerifyDiagnosticConsumer, make the necessary adjustment to 580 test-cases which will henceforth require this new directive.
llvm-svn: 166280
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specifying a target triple.
This test behavior differs depending (at least) on whether
sizeof(wchar_t) == sizeof(int) or not.
When they are equal, the first redeclaration will fail because decltype(+L'x')
is unsigned int instead of the expected int. This occurs on ARM.
llvm-svn: 164315
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llvm-svn: 163850
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llvm-svn: 163849
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integral promotions to both its underlying type and to its underlying type's
promoted type. This matters now that boolean conversions aren't permitted in
converted constant expressions (a la DR1407): an enumerator with a fixed
underlying type of bool still can be.
llvm-svn: 163841
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inspection.
llvm-svn: 143021
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<rdar://problem/10309088>.
llvm-svn: 143019
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