std: Don't emit debuginfo for backtrace deps

[alexcrichton]

This was evaluated in #74560 and shown to have a positive effect on some
of the regressions originally reported from #73441. While it doesn't
recover all of the lost ground this is hopefully an easy enough knob to
tweak that we don't have worry too much about it later.

[rust-highfive]

r? @Mark-Simulacrum

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[jonas-schievink]

@bors rollup=never

[Mark-Simulacrum]

@bors r+

[bors]

📌 Commit 8a80a3eae7d0aa2f063d3effca4344edf9e73fdc has been approved by Mark-Simulacrum

[tesuji]

Can we make it more dense?

Suggested change

	[profile.release.package.miniz_oxide]
	debug = 0
	[profile.release.package.gimli]
	debug = 0
	[profile.release.package.addr2line]
	debug = 0
	[profile.release.package.object]
	debug = 0
	[profile.release.package.adler]
	debug = 0
	[profile.release.package]
	miniz_oxide = { debug = 0 }
	gimli = { debug = 0 }
	addr2line = { debug = 0 }
	object = { debug = 0 }
	adler = { debug = 0 }

[Mark-Simulacrum]

This seems really unnecessary.

[eddyb]

Just out of curiosity, does TOML have the Nix thing of letting you write gimli = { debug = 0 } as gimli.debug = 0? IMO using the dot notation would feel more natural, but then again maybe that's personal bias.

[alexcrichton]

Yes TOML supports gimli.debug = 0, so I've gone ahead and updated to use that.

[alexcrichton]

@bors: r=Mark-Simulacrum

[bors]

📌 Commit 3075cc3 has been approved by Mark-Simulacrum

[Mark-Simulacrum]

@bors r-

We've discussed a bit and we want to revert the (original) backtrace PR and re-land it in the next week or so, but after getting a try build that fully evaluates it plus this patch (amongst others, perhaps) to better gauge the effects on perf.

[alexcrichton]

Ok, then let's close this.