Revert "Merge pull request #17637 from jacobly0/x86_64-test-std"

This reverts commit 0c99ba1eab63865592bb084feb271cd4e4b0357e, reversing
changes made to 5f92b070bf284f1493b1b5d433dd3adde2f46727.

This caused a CI failure when it landed in master branch due to a
128-bit `@byteSwap` in std.mem.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/compiler_rt/cos.zig b/lib/compiler_rt/cos.zig
index b3dbcc21f5..d299e682d7 100644
--- a/lib/compiler_rt/cos.zig
+++ b/lib/compiler_rt/cos.zig
@@ -1,4 +1,6 @@
 const std = @import("std");
+const builtin = @import("builtin");
+const arch = builtin.cpu.arch;
 const math = std.math;
 const expect = std.testing.expect;
 const common = @import("common.zig");
@@ -134,8 +136,6 @@ pub fn cosl(x: c_longdouble) callconv(.C) c_longdouble {
 }
 
 test "cos32" {
-    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
-
     const epsilon = 0.00001;
 
     try expect(math.approxEqAbs(f32, cosf(0.0), 1.0, epsilon));