…onfig, r=Kobzol

Streamline config in bootstrap

This PR restructures the config module to improve readability and debuggability. It also aims to eliminate as many invariants as possible. Best reviewed commit by commit.

r? `@Kobzol`

…onfig, r=Kobzol

Streamline config in bootstrap

This PR restructures the config module to improve readability and debuggability. It also aims to eliminate as many invariants as possible. Best reviewed commit by commit.

r? ``@Kobzol``

…onfig, r=Kobzol

Streamline config in bootstrap

This PR restructures the config module to improve readability and debuggability. It also aims to eliminate as many invariants as possible. Best reviewed commit by commit.

r? ```@Kobzol```

Rollup of 20 pull requests

Successful merges:

 - #137831 (Tweak auto trait errors)
 - #143028 (emit `StorageLive` and schedule `StorageDead` for `let`-`else`'s bindings after matching)
 - #143764 (lower pattern bindings in the order they're written and base drop order on primary bindings' order)
 - #143808 (Port `#[should_panic]` to the new attribute parsing infrastructure )
 - #143906 (Miri: non-deterministic floating point operations in `foreign_items`)
 - #143929 (Mark all deprecation lints in name resolution as deny-by-default and report-in-deps)
 - #144133 (Stabilize const TypeId::of)
 - #144439 (Introduce ModernIdent type to unify macro 2.0 hygiene handling)
 - #144473 (Address libunwind.a inconsistency issues in the bootstrap program)
 - #144659 (bootstrap: refactor mingw dist and fix gnullvm)
 - #144705 (compiler-builtins: plumb LSE support for aarch64 on linux/gnu when optimized-compiler-builtins not enabled)
 - #144807 (Streamline config in bootstrap)
 - #144900 (Stabilize `unsigned_signed_diff` feature)
 - #144903 (Rename `begin_panic_handler` to `panic_handler`)
 - #144931 ([win][arm64ec] Fix msvc-wholearchive for Arm64EC)
 - #144974 (compiler-builtins subtree update)
 - #144997 (bump bootstrap compiler to 1.90 beta)
 - #145004 (Couple of minor cleanups)
 - #145009 (A couple small changes for rust-analyzer next-solver work)
 - #145014 (Revert "Preserve the .debug_gdb_scripts section")

r? `@ghost`
`@rustbot` modify labels: rollup

…onfig, r=Kobzol

Streamline config in bootstrap

This PR restructures the config module to improve readability and debuggability. It also aims to eliminate as many invariants as possible. Best reviewed commit by commit.

r? ````@Kobzol````

Rollup of 19 pull requests

Successful merges:

 - #144400 (`tests/ui/issues/`: The Issues Strike Back [3/N])
 - #144764 ([codegen] assume the tag, not the relative discriminant)
 - #144807 (Streamline config in bootstrap)
 - #144899 (Print CGU reuse statistics in `-Zprint-mono-items`)
 - #144909 (Add new `test::print_merged_doctests_times` used by rustdoc to display more detailed time information)
 - #144912 (Resolver: introduce a conditionally mutable Resolver for (non-)speculative resolution.)
 - #144914 (Add support for `ty::Instance` path shortening in diagnostics)
 - #144931 ([win][arm64ec] Fix msvc-wholearchive for Arm64EC)
 - #144999 (coverage: Remove all unstable support for MC/DC instrumentation)
 - #145009 (A couple small changes for rust-analyzer next-solver work)
 - #145030 (GVN:  Do not flatten derefs with ProjectionElem::Index. )
 - #145042 (stdarch subtree update)
 - #145047 (move `type_check` out of `compute_regions`)
 - #145051 (Prevent name collisions with internal implementation details)
 - #145053 (Add a lot of NLL `known-bug` tests)
 - #145055 (Move metadata symbol export from exported_non_generic_symbols to exported_symbols)
 - #145057 (Clean up some resolved test regressions of const trait removals in std)
 - #145068 (Readd myself to review queue)
 - #145070 (Add minimal `armv7a-vex-v5` tier three target)

r? `@ghost`
`@rustbot` modify labels: rollup

Rollup merge of #144807 - Shourya742:2025-07-30-streamline-config, r=Kobzol

Streamline config in bootstrap

This PR restructures the config module to improve readability and debuggability. It also aims to eliminate as many invariants as possible. Best reviewed commit by commit.

r? `````@Kobzol`````

Rollup of 19 pull requests

Successful merges:

 - rust-lang#144400 (`tests/ui/issues/`: The Issues Strike Back [3/N])
 - rust-lang#144764 ([codegen] assume the tag, not the relative discriminant)
 - rust-lang#144807 (Streamline config in bootstrap)
 - rust-lang#144899 (Print CGU reuse statistics in `-Zprint-mono-items`)
 - rust-lang#144909 (Add new `test::print_merged_doctests_times` used by rustdoc to display more detailed time information)
 - rust-lang#144912 (Resolver: introduce a conditionally mutable Resolver for (non-)speculative resolution.)
 - rust-lang#144914 (Add support for `ty::Instance` path shortening in diagnostics)
 - rust-lang#144931 ([win][arm64ec] Fix msvc-wholearchive for Arm64EC)
 - rust-lang#144999 (coverage: Remove all unstable support for MC/DC instrumentation)
 - rust-lang#145009 (A couple small changes for rust-analyzer next-solver work)
 - rust-lang#145030 (GVN:  Do not flatten derefs with ProjectionElem::Index. )
 - rust-lang#145042 (stdarch subtree update)
 - rust-lang#145047 (move `type_check` out of `compute_regions`)
 - rust-lang#145051 (Prevent name collisions with internal implementation details)
 - rust-lang#145053 (Add a lot of NLL `known-bug` tests)
 - rust-lang#145055 (Move metadata symbol export from exported_non_generic_symbols to exported_symbols)
 - rust-lang#145057 (Clean up some resolved test regressions of const trait removals in std)
 - rust-lang#145068 (Readd myself to review queue)
 - rust-lang#145070 (Add minimal `armv7a-vex-v5` tier three target)

r? `@ghost`
`@rustbot` modify labels: rollup

Rollup of 19 pull requests

Successful merges:

 - rust-lang#144400 (`tests/ui/issues/`: The Issues Strike Back [3/N])
 - rust-lang#144764 ([codegen] assume the tag, not the relative discriminant)
 - rust-lang#144807 (Streamline config in bootstrap)
 - rust-lang#144899 (Print CGU reuse statistics in `-Zprint-mono-items`)
 - rust-lang#144909 (Add new `test::print_merged_doctests_times` used by rustdoc to display more detailed time information)
 - rust-lang#144912 (Resolver: introduce a conditionally mutable Resolver for (non-)speculative resolution.)
 - rust-lang#144914 (Add support for `ty::Instance` path shortening in diagnostics)
 - rust-lang#144931 ([win][arm64ec] Fix msvc-wholearchive for Arm64EC)
 - rust-lang#144999 (coverage: Remove all unstable support for MC/DC instrumentation)
 - rust-lang#145009 (A couple small changes for rust-analyzer next-solver work)
 - rust-lang#145030 (GVN:  Do not flatten derefs with ProjectionElem::Index. )
 - rust-lang#145042 (stdarch subtree update)
 - rust-lang#145047 (move `type_check` out of `compute_regions`)
 - rust-lang#145051 (Prevent name collisions with internal implementation details)
 - rust-lang#145053 (Add a lot of NLL `known-bug` tests)
 - rust-lang#145055 (Move metadata symbol export from exported_non_generic_symbols to exported_symbols)
 - rust-lang#145057 (Clean up some resolved test regressions of const trait removals in std)
 - rust-lang#145068 (Readd myself to review queue)
 - rust-lang#145070 (Add minimal `armv7a-vex-v5` tier three target)

r? `@ghost`
`@rustbot` modify labels: rollup

Rollup of 19 pull requests

Successful merges:

 - rust-lang#144400 (`tests/ui/issues/`: The Issues Strike Back [3/N])
 - rust-lang#144764 ([codegen] assume the tag, not the relative discriminant)
 - rust-lang#144807 (Streamline config in bootstrap)
 - rust-lang#144899 (Print CGU reuse statistics in `-Zprint-mono-items`)
 - rust-lang#144909 (Add new `test::print_merged_doctests_times` used by rustdoc to display more detailed time information)
 - rust-lang#144912 (Resolver: introduce a conditionally mutable Resolver for (non-)speculative resolution.)
 - rust-lang#144914 (Add support for `ty::Instance` path shortening in diagnostics)
 - rust-lang#144931 ([win][arm64ec] Fix msvc-wholearchive for Arm64EC)
 - rust-lang#144999 (coverage: Remove all unstable support for MC/DC instrumentation)
 - rust-lang#145009 (A couple small changes for rust-analyzer next-solver work)
 - rust-lang#145030 (GVN:  Do not flatten derefs with ProjectionElem::Index. )
 - rust-lang#145042 (stdarch subtree update)
 - rust-lang#145047 (move `type_check` out of `compute_regions`)
 - rust-lang#145051 (Prevent name collisions with internal implementation details)
 - rust-lang#145053 (Add a lot of NLL `known-bug` tests)
 - rust-lang#145055 (Move metadata symbol export from exported_non_generic_symbols to exported_symbols)
 - rust-lang#145057 (Clean up some resolved test regressions of const trait removals in std)
 - rust-lang#145068 (Readd myself to review queue)
 - rust-lang#145070 (Add minimal `armv7a-vex-v5` tier three target)

r? `@ghost`
`@rustbot` modify labels: rollup