From: liushuyu <liushuyu011@gmail.com>
Date: Tue, 25 Jul 2023 01:48:12 +0000 (+0800)
Subject: [PATCH] core library: Disable fpmath tests for i386 ...
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[PATCH] core library: Disable fpmath tests for i386 ...

This patch disables the floating-point epsilon test for i386 since
x87 registers are too imprecise and can't produce the expected
results.

Forwarded: https://github.com/rust-lang/rust/pull/114042

Gbp-Pq: Name u-disable-fp-precision-test-on-i386.patch
---

diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs
index 290f649f9a..8209ed3e2f 100644
--- a/library/core/src/num/f32.rs
+++ b/library/core/src/num/f32.rs
@@ -820,7 +820,7 @@ impl f32 {
     /// let angle = std::f32::consts::PI;
     ///
     /// let abs_difference = (angle.to_degrees() - 180.0).abs();
-    ///
+    /// # #[cfg(not(target_arch = "x86"))]
     /// assert!(abs_difference <= f32::EPSILON);
     /// ```
     #[must_use = "this returns the result of the operation, \