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When using an old version of glibc, a ::isinf(double) and ::isnan(double)
function is provided, rather than just the macro required by C and C++.
Displace this function using _LIBCPP_PREFERRED_OVERLOAD where possible.
The only remaining case where we should get the wrong return type is now
glibc + libc++ + a non-clang compiler.
llvm-svn: 331241
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-Wunused-variable
llvm-svn: 315809
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For std::isinf, the standard requires effectively calling isinf as
double from Libc for integral types. But integral types are never
infinite; we don't need to call Libc to return false.
Also short-circuit other functions where Libc won't have interesting
answers: signbit, fpclassify, isfinite, isnan, and isnormal.
I added correctness tests for integral types since we're no longer
deferring to Libc.
In review it was pointed out that in future revisions of the C++
standard we may add more types to std::is_arithmetic (e.g.,
std::is_fixed_point). I'll leave it to a future commit to hack this to
allow using math functions on those. We'll need to change things like
__libcpp_fpclassify anyway, so I'm not sure anything here would really
be future-proof.
https://reviews.llvm.org/D31561
rdar://problem/31361223
llvm-svn: 301060
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initialized but not referenced".
test/std/depr/depr.c.headers/inttypes_h.pass.cpp
test/std/input.output/file.streams/c.files/cinttypes.pass.cpp
test/std/input.output/iostream.forward/iosfwd.pass.cpp
Add test() to avoid a bunch of void-casts, although we still need a few.
test/std/input.output/iostream.format/quoted.manip/quoted.pass.cpp
skippingws was unused (it's unclear to me whether this was mistakenly copy-pasted from round_trip() below).
test/std/localization/locale.categories/category.collate/locale.collate/types.pass.cpp
test/std/localization/locale.categories/category.ctype/facet.ctype.special/types.pass.cpp
test/std/localization/locale.categories/category.ctype/locale.codecvt/types_char.pass.cpp
test/std/localization/locale.categories/category.ctype/locale.codecvt/types_wchar_t.pass.cpp
test/std/localization/locale.categories/category.ctype/locale.ctype/types.pass.cpp
test/std/localization/locale.categories/facet.numpunct/locale.numpunct/types.pass.cpp
test/std/localization/locales/locale.global.templates/use_facet.pass.cpp
When retrieving facets, the references are unused.
test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_long.pass.cpp
test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_unsigned_long.pass.cpp
"std::ios_base::iostate err = ios.goodbit;" was completely unused here.
test/std/localization/locale.categories/category.time/locale.time.get/time_base.pass.cpp
test/std/numerics/c.math/ctgmath.pass.cpp
test/std/numerics/rand/rand.device/entropy.pass.cpp
test/std/numerics/rand/rand.device/eval.pass.cpp
test/std/strings/basic.string/string.modifiers/string_copy/copy.pass.cpp
test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eof.pass.cpp
test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eof.pass.cpp
test/std/thread/futures/futures.promise/dtor.pass.cpp
test/std/thread/futures/futures.task/futures.task.members/dtor.pass.cpp
test/std/thread/thread.condition/thread.condition.condvar/wait_for_pred.pass.cpp
These variables are verifying types but are otherwise unused.
test/std/strings/basic.string/string.capacity/reserve.pass.cpp
old_cap was unused (it's unclear to me whether it was intended to be used).
test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eq.pass.cpp
test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eq.pass.cpp
test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/lt.pass.cpp
test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eq.pass.cpp
test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/lt.pass.cpp
test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/eq.pass.cpp
test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/lt.pass.cpp
These tests contained unused characters.
llvm-svn: 286847
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llvm-svn: 283644
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TEST_STD_VER.
This is a huge cleanup that helps make the libc++ test suite more portable.
Patch from STL@microsoft.com. Thanks STL!
llvm-svn: 272716
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llvm-svn: 271435
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Summary:
GLIBC recently removed the incorrect `int isinf(double)` and `int isnan(double)` overloads in C++11 and greater. This causes previously `XFAIL: linux` tests to start passing.
Since there is no longer a way to 'XFAIL' the tests I choose to simply tolerate this bug.
See https://sourceware.org/bugzilla/show_bug.cgi?id=19439
Reviewers: rsmith, mclow.lists, EricWF
Subscribers: jroelofs, cfe-commits
Differential Revision: http://reviews.llvm.org/D19835
llvm-svn: 271060
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llvm-svn: 269772
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llvm-svn: 224658
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