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Commit0065763

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core: Limit remaining f16 doctests to x86_64 linux
On s390x, every use of the f16 data type will currently ICEdue tollvm/llvm-project#50374,causing doctest failures on the platform.Most doctests were already restricted to certain platforms,so fix this by likewise restricting the remaining five.
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‎library/core/src/num/f16.rs‎

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@@ -353,12 +353,15 @@ impl f16 {
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///
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/// ```
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/// #![feature(f16)]
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/// # // FIXME(f16_f128): LLVM crashes on s390x, llvm/llvm-project#50374
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/// # #[cfg(all(target_arch = "x86_64", target_os = "linux"))] {
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///
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/// let f = 7.0_f16;
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/// let g = -7.0_f16;
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///
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/// assert!(f.is_sign_positive());
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/// assert!(!g.is_sign_positive());
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/// # }
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/// ```
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#[inline]
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#[must_use]
@@ -376,12 +379,15 @@ impl f16 {
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///
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/// ```
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/// #![feature(f16)]
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/// # // FIXME(f16_f128): LLVM crashes on s390x, llvm/llvm-project#50374
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/// # #[cfg(all(target_arch = "x86_64", target_os = "linux"))] {
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///
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/// let f = 7.0_f16;
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/// let g = -7.0_f16;
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///
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/// assert!(!f.is_sign_negative());
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/// assert!(g.is_sign_negative());
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/// # }
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/// ```
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#[inline]
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#[must_use]
@@ -694,9 +700,12 @@ impl f16 {
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///
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/// ```
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/// #![feature(f16)]
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/// # // FIXME(f16_f128): LLVM crashes on s390x, llvm/llvm-project#50374
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/// # #[cfg(all(target_arch = "x86_64", target_os = "linux"))] {
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///
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/// let bytes = 12.5f16.to_be_bytes();
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/// assert_eq!(bytes, [0x4a, 0x40]);
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/// # }
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/// ```
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#[inline]
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#[unstable(feature ="f16", issue ="116909")]
@@ -715,9 +724,12 @@ impl f16 {
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///
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/// ```
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/// #![feature(f16)]
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/// # // FIXME(f16_f128): LLVM crashes on s390x, llvm/llvm-project#50374
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/// # #[cfg(all(target_arch = "x86_64", target_os = "linux"))] {
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///
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/// let bytes = 12.5f16.to_le_bytes();
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/// assert_eq!(bytes, [0x40, 0x4a]);
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/// # }
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/// ```
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#[inline]
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#[unstable(feature ="f16", issue ="116909")]
@@ -742,6 +754,8 @@ impl f16 {
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///
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/// ```
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/// #![feature(f16)]
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/// # // FIXME(f16_f128): LLVM crashes on s390x, llvm/llvm-project#50374
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/// # #[cfg(all(target_arch = "x86_64", target_os = "linux"))] {
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///
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/// let bytes = 12.5f16.to_ne_bytes();
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/// assert_eq!(
@@ -752,6 +766,7 @@ impl f16 {
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/// [0x40, 0x4a]
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/// }
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/// );
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/// # }
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/// ```
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#[inline]
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#[unstable(feature ="f16", issue ="116909")]

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