Commit 0dbd8e6

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Rollup merge of #146051 - LorrensP-2158466:miri-libstd-fix, r=RalfJung

Change std f32 test to pass under Miri Adds `APPROX_DELTA` to 2 tests of `f32::log` reported in [#miri > Miri test-libstd Failure (2025-08)](https://rust-lang.zulipchat.com/#narrow/channel/269128-miri/topic/Miri.20test-libstd.20Failure.20.282025-08.29). I changed 2 lines, the first one is the actual failure. The second one is precautionary.

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Lines changed: 2 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -79,8 +79,8 @@ fn test_log() {`
`79`	`79`	`let nan: f32 = f32::NAN;`
`80`	`80`	`let inf: f32 = f32::INFINITY;`
`81`	`81`	`let neg_inf: f32 = f32::NEG_INFINITY;`
`82`		`- assert_approx_eq!(10.0f32.log(10.0), 1.0);`
`83`		`- assert_approx_eq!(2.3f32.log(3.5), 0.664858);`
	`82`	`+ assert_approx_eq!(10.0f32.log(10.0), 1.0,APPROX_DELTA);`
	`83`	`+ assert_approx_eq!(2.3f32.log(3.5), 0.664858,APPROX_DELTA);`
`84`	`84`	`assert_approx_eq!(1.0f32.exp().log(1.0f32.exp()), 1.0, APPROX_DELTA);`
`85`	`85`	`assert!(1.0f32.log(1.0).is_nan());`
`86`	`86`	`assert!(1.0f32.log(-13.9).is_nan());`

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