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Tests can be at top-level or inside an anonymous namespace,
doesn't matter. But putting their helper code inside anonymous
namespaces both makes the code compatible with compiling using
-Wmissing-declarations and might let the compiler optimize the
test good a bit better.
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While GCC's -Wdeprecated is on by default and doesn't do much,
Clang's -Wdeprecated enables many more things. More apply in
C++20, so switch a test file that tickled one to using that. In
future, C++20 should probably be made the baseline for compiling
all the libc code.
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This is step 4 of
https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079
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This implements the fake return after a successful longjmp(), as
described in the linux man page:
Following a successful longjmp(), execution continues as if setjmp()
had returned for a second time. This "fake" return can be distin-
guished from a true setjmp() call because the "fake" return returns the
value provided in val. If the programmer mistakenly passes the value 0
in val, the "fake" return will instead return 1.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D146981
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This part of the effort to make all test related pieces into the `test`
directory. This helps is excluding test related pieces in a straight
forward manner if LLVM_INCLUDE_TESTS is OFF. Future patches will also move
the MPFR wrapper and testutils into the 'test' directory.
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Reviewed By: michaelrj
Differential Revision: https://reviews.llvm.org/D137147
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