Avoid -Woverflow warning in __numeric_limits_integer
This is the same fix as was done for std::numeric_limits in r183905. PR libstdc++/52119 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer overflow warning with -Wpedantic -Wsystem-headers. From-SVN: r270858
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2019-05-03 Jonathan Wakely <jwakely@redhat.com>
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PR libstdc++/52119
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* include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
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overflow warning with -Wpedantic -Wsystem-headers.
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2019-05-02 Jonathan Wakely <jwakely@redhat.com>
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PR libstdc++/90314
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@ -39,13 +39,13 @@ namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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// Compile time constants for builtin types.
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// Sadly std::numeric_limits member functions cannot be used for this.
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// In C++98 std::numeric_limits member functions cannot be used for this.
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#define __glibcxx_signed(_Tp) ((_Tp)(-1) < 0)
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#define __glibcxx_digits(_Tp) \
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(sizeof(_Tp) * __CHAR_BIT__ - __glibcxx_signed(_Tp))
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#define __glibcxx_min(_Tp) \
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(__glibcxx_signed(_Tp) ? (_Tp)1 << __glibcxx_digits(_Tp) : (_Tp)0)
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(__glibcxx_signed(_Tp) ? -__glibcxx_max(_Tp) - 1 : (_Tp)0)
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#define __glibcxx_max(_Tp) \
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(__glibcxx_signed(_Tp) ? \
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