sess: target modifiers under `-T` - #160167

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davidtwco wants to merge 29 commits into

rust-lang:mainfrom

davidtwco:target-modifier-group

Commits on Aug 17, 2026

sess: remove target modifier implementation
davidtwco
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2013776
sess: rename some `options!` metavars
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25a69ed
sess: option metadata
davidtwco
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40cda79
sess: re-implement target modifiers
davidtwco
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e76a414
sess: mark target modifier options are unstable
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1ba2ba5
sess: `-Tbranch-protection`
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6117b29
sess: `-Tregparm`
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ad05266
sess: `-Tindirect-branch-cs-prefix`
davidtwco
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351c329
sess: `-Tfixed-x18`
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509401c
sess: `-Tretpoline{,-external-thunk}`
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27616e3
sess: `-Treg-struct-return`
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81120a2
sess: `-Tsanitizers{,-cfi-normalize-integers}`
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a6b328f
sess: `-Tpointer-authentication`
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f025b1c
sess: `-Ttarget-cpu`
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a0e9235
sess: `-Tllvm-target-feature`
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a7936d0
sess: add `is_target_modifier` option to setters
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e445ab2
sess: flags are both `-T` and `-C`
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80a639e
sess: reimplement `is_set` using `$key_name`
davidtwco
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4600d8f
sess: `-Tsanitizer{,-cfi-normalize-integers}` (again)
davidtwco
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fae2f75
sess: `-Tbranch-protection` (again)
davidtwco
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7e5229b
sess: `-Tregparm` (again)
davidtwco
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5c0d43a
sess: `-Tindirect-branch-cs-prefix` (again)
davidtwco
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24853d4
sess: `-Tfixed-x18` (again)
davidtwco
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97147fc
sess: `-Tretpoline{,-external-thunk}` (again)
davidtwco
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56abd29
sess: `-Treg-struct-return` (again)
davidtwco
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472b312
sess: `-Ttarget-cpu` (again)
davidtwco
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032d22a
sess: `-Tpointer-authentication` (again)
davidtwco
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7a26574
sess: `-Tllvm-target-feature` (again)
davidtwco
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f5c60c8
sess: existing flags cannot be used with `-T`
davidtwco
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7b9bf71