…le_mod_inner_attr, r=nnethercote
proc_macro: Fix cfg_attr inner attrs in file modules
Fixes rust-lang#159648
Inner proc-macro attrs produced by `cfg_attr` only carry the nested attr span. Splitting source around that span tries to lex two unmatched halves, so file modules fail with an unclosed delimiter.
Lex the complete module body first, then remove the expanded attr from its nested token stream. Sibling attrs stay in place, and empty `cfg_attr` wrappers use their trace span and disappear. imo this is cleaner than teaching source slicing about every nested shape.
Tests exercise sibling attrs on either side of the proc macro, then cover the single-attr case. fyi, denied lints make sibling preservation observable; ltm if another nested case should live here.

…le_mod_inner_attr, r=nnethercote,petrochenkov
proc_macro: Fix cfg_attr inner attrs in file modules
Fixes rust-lang#159648
Inner proc-macro attrs produced by `cfg_attr` only carry the nested attr span. Splitting source around that span tries to lex two unmatched halves, so file modules fail with an unclosed delimiter.
Lex the complete module body first, then remove the expanded attr from its nested token stream. Sibling attrs stay in place, and empty `cfg_attr` wrappers use their trace span and disappear. imo this is cleaner than teaching source slicing about every nested shape.
Tests exercise sibling attrs on either side of the proc macro, then cover the single-attr case. fyi, denied lints make sibling preservation observable; ltm if another nested case should live here.

…uwer
Rollup of 25 pull requests
Successful merges:
 - #138618 (Support using const pointers in asm `const` operand)
 - #157962 (Lower paths to functions in const args as ConstKind::Error)
 - #158404 (trait_solver: normalize next-gen region constraints)
 - #158709 (rustdoc: warn on improperly interleaved HTML/MD)
 - #159174 (Fix implicit_provenance_casts warnings on Xous)
 - #159179 (enable `unreachable_cfg_select_predicates` lint as part of `unused` lint group)
 - #159518 (iter: extend step_by specialization to cover StepBy<RangeIter<{integer}>>)
 - #159673 (bootstrap: forward -fdebug-prefix-map when using cc)
 - #159700 (Split non-local `semicolon_in_expressions_from_macros` into a separate lint)
 - #159720 (document #[global_allocator] constraints)
 - #159732 (optimization: don't look for diagnostic/canonical items without rustc_attrs enabled)
 - #159738 (implement `CovariantUnsafeCell`)
 - #159740 (reuse regular exported_non_generic_symbols logic in Miri)
 - #159780 (check `extern "custom"` function pointers)
 - #159785 (Share _Unwind_Exception definition between native and wasm)
 - #159786 (rustdoc-js: ignore editor temp files in test folder discovery)
 - #159819 (std::sync::poison: disable auto_cfg on PoisonError::new)
 - #155388 (stepping into where-clauses during normalization may be productive)
 - #155914 (when bailing on ambiguity, don't force other results to ambig)
 - #159204 (Add support to caller_location to rustc_public)
 - #159439 (Fix(lib/fs/win): Fall back on Win32 delete for `Dir::remove_file`)
 - #159676 (Update wasm-component-ld to 0.5.27)
 - #159695 (proc_macro: Fix cfg_attr inner attrs in file modules)
 - #159730 (allow accessing the contents of UnsafeCell without going through get)
 - #159809 (Avoid `#[target_features]`)

…uwer
Rollup of 25 pull requests
Successful merges:
 - #138618 (Support using const pointers in asm `const` operand)
 - #157962 (Lower paths to functions in const args as ConstKind::Error)
 - #158404 (trait_solver: normalize next-gen region constraints)
 - #158709 (rustdoc: warn on improperly interleaved HTML/MD)
 - #159174 (Fix implicit_provenance_casts warnings on Xous)
 - #159179 (enable `unreachable_cfg_select_predicates` lint as part of `unused` lint group)
 - #159518 (iter: extend step_by specialization to cover StepBy<RangeIter<{integer}>>)
 - #159673 (bootstrap: forward -fdebug-prefix-map when using cc)
 - #159700 (Split non-local `semicolon_in_expressions_from_macros` into a separate lint)
 - #159720 (document #[global_allocator] constraints)
 - #159732 (optimization: don't look for diagnostic/canonical items without rustc_attrs enabled)
 - #159738 (implement `CovariantUnsafeCell`)
 - #159740 (reuse regular exported_non_generic_symbols logic in Miri)
 - #159780 (check `extern "custom"` function pointers)
 - #159785 (Share _Unwind_Exception definition between native and wasm)
 - #159786 (rustdoc-js: ignore editor temp files in test folder discovery)
 - #159819 (std::sync::poison: disable auto_cfg on PoisonError::new)
 - #155388 (stepping into where-clauses during normalization may be productive)
 - #155914 (when bailing on ambiguity, don't force other results to ambig)
 - #159204 (Add support to caller_location to rustc_public)
 - #159439 (Fix(lib/fs/win): Fall back on Win32 delete for `Dir::remove_file`)
 - #159676 (Update wasm-component-ld to 0.5.27)
 - #159695 (proc_macro: Fix cfg_attr inner attrs in file modules)
 - #159730 (allow accessing the contents of UnsafeCell without going through get)
 - #159809 (Avoid `#[target_features]`)

…uwer
Rollup of 25 pull requests
Successful merges:
 - #138618 (Support using const pointers in asm `const` operand)
 - #157962 (Lower paths to functions in const args as ConstKind::Error)
 - #158404 (trait_solver: normalize next-gen region constraints)
 - #158709 (rustdoc: warn on improperly interleaved HTML/MD)
 - #159174 (Fix implicit_provenance_casts warnings on Xous)
 - #159179 (enable `unreachable_cfg_select_predicates` lint as part of `unused` lint group)
 - #159518 (iter: extend step_by specialization to cover StepBy<RangeIter<{integer}>>)
 - #159673 (bootstrap: forward -fdebug-prefix-map when using cc)
 - #159700 (Split non-local `semicolon_in_expressions_from_macros` into a separate lint)
 - #159720 (document #[global_allocator] constraints)
 - #159732 (optimization: don't look for diagnostic/canonical items without rustc_attrs enabled)
 - #159738 (implement `CovariantUnsafeCell`)
 - #159740 (reuse regular exported_non_generic_symbols logic in Miri)
 - #159780 (check `extern "custom"` function pointers)
 - #159785 (Share _Unwind_Exception definition between native and wasm)
 - #159786 (rustdoc-js: ignore editor temp files in test folder discovery)
 - #159819 (std::sync::poison: disable auto_cfg on PoisonError::new)
 - #155388 (stepping into where-clauses during normalization may be productive)
 - #155914 (when bailing on ambiguity, don't force other results to ambig)
 - #159204 (Add support to caller_location to rustc_public)
 - #159439 (Fix(lib/fs/win): Fall back on Win32 delete for `Dir::remove_file`)
 - #159676 (Update wasm-component-ld to 0.5.27)
 - #159695 (proc_macro: Fix cfg_attr inner attrs in file modules)
 - #159730 (allow accessing the contents of UnsafeCell without going through get)
 - #159809 (Avoid `#[target_features]`)

…le_mod_inner_attr, r=nnethercote,petrochenkov
proc_macro: Fix cfg_attr inner attrs in file modules
Fixes rust-lang#159648
Inner proc-macro attrs produced by `cfg_attr` only carry the nested attr span. Splitting source around that span tries to lex two unmatched halves, so file modules fail with an unclosed delimiter.
Lex the complete module body first, then remove the expanded attr from its nested token stream. Sibling attrs stay in place, and empty `cfg_attr` wrappers use their trace span and disappear. imo this is cleaner than teaching source slicing about every nested shape.
Tests exercise sibling attrs on either side of the proc macro, then cover the single-attr case. fyi, denied lints make sibling preservation observable; ltm if another nested case should live here.

…uwer
Rollup of 25 pull requests
Successful merges:
 - #159825 (codegen: handle OperandValue::Uninit in codegen_return_terminator)
 - #138618 (Support using const pointers in asm `const` operand)
 - #157962 (Lower paths to functions in const args as ConstKind::Error)
 - #158404 (trait_solver: normalize next-gen region constraints)
 - #158709 (rustdoc: warn on improperly interleaved HTML/MD)
 - #159174 (Fix implicit_provenance_casts warnings on Xous)
 - #159179 (enable `unreachable_cfg_select_predicates` lint as part of `unused` lint group)
 - #159518 (iter: extend step_by specialization to cover StepBy<RangeIter<{integer}>>)
 - #159673 (bootstrap: forward -fdebug-prefix-map when using cc)
 - #159700 (Split non-local `semicolon_in_expressions_from_macros` into a separate lint)
 - #159720 (document #[global_allocator] constraints)
 - #159732 (optimization: don't look for diagnostic/canonical items without rustc_attrs enabled)
 - #159738 (implement `CovariantUnsafeCell`)
 - #159740 (reuse regular exported_non_generic_symbols logic in Miri)
 - #159780 (check `extern "custom"` function pointers)
 - #159786 (rustdoc-js: ignore editor temp files in test folder discovery)
 - #159819 (std::sync::poison: disable auto_cfg on PoisonError::new)
 - #155388 (stepping into where-clauses during normalization may be productive)
 - #155914 (when bailing on ambiguity, don't force other results to ambig)
 - #159204 (Add support to caller_location to rustc_public)
 - #159439 (Fix(lib/fs/win): Fall back on Win32 delete for `Dir::remove_file`)
 - #159676 (Update wasm-component-ld to 0.5.27)
 - #159695 (proc_macro: Fix cfg_attr inner attrs in file modules)
 - #159730 (allow accessing the contents of UnsafeCell without going through get)
 - #159809 (Avoid `#[target_features]`)

…uwer
Rollup of 25 pull requests
Successful merges:
 - #159825 (codegen: handle OperandValue::Uninit in codegen_return_terminator)
 - #138618 (Support using const pointers in asm `const` operand)
 - #157962 (Lower paths to functions in const args as ConstKind::Error)
 - #158404 (trait_solver: normalize next-gen region constraints)
 - #158709 (rustdoc: warn on improperly interleaved HTML/MD)
 - #159174 (Fix implicit_provenance_casts warnings on Xous)
 - #159179 (enable `unreachable_cfg_select_predicates` lint as part of `unused` lint group)
 - #159518 (iter: extend step_by specialization to cover StepBy<RangeIter<{integer}>>)
 - #159673 (bootstrap: forward -fdebug-prefix-map when using cc)
 - #159700 (Split non-local `semicolon_in_expressions_from_macros` into a separate lint)
 - #159720 (document #[global_allocator] constraints)
 - #159732 (optimization: don't look for diagnostic/canonical items without rustc_attrs enabled)
 - #159738 (implement `CovariantUnsafeCell`)
 - #159740 (reuse regular exported_non_generic_symbols logic in Miri)
 - #159780 (check `extern "custom"` function pointers)
 - #159786 (rustdoc-js: ignore editor temp files in test folder discovery)
 - #159819 (std::sync::poison: disable auto_cfg on PoisonError::new)
 - #155388 (stepping into where-clauses during normalization may be productive)
 - #155914 (when bailing on ambiguity, don't force other results to ambig)
 - #159204 (Add support to caller_location to rustc_public)
 - #159439 (Fix(lib/fs/win): Fall back on Win32 delete for `Dir::remove_file`)
 - #159676 (Update wasm-component-ld to 0.5.27)
 - #159695 (proc_macro: Fix cfg_attr inner attrs in file modules)
 - #159730 (allow accessing the contents of UnsafeCell without going through get)
 - #159809 (Avoid `#[target_features]`)

…le_mod_inner_attr, r=nnethercote,petrochenkov
proc_macro: Fix cfg_attr inner attrs in file modules
Fixes rust-lang#159648
Inner proc-macro attrs produced by `cfg_attr` only carry the nested attr span. Splitting source around that span tries to lex two unmatched halves, so file modules fail with an unclosed delimiter.
Lex the complete module body first, then remove the expanded attr from its nested token stream. Sibling attrs stay in place, and empty `cfg_attr` wrappers use their trace span and disappear. imo this is cleaner than teaching source slicing about every nested shape.
Tests exercise sibling attrs on either side of the proc macro, then cover the single-attr case. fyi, denied lints make sibling preservation observable; ltm if another nested case should live here.

Rollup of 25 pull requests
Successful merges:
 - #138618 (Support using const pointers in asm `const` operand)
 - #157962 (Lower paths to functions in const args as ConstKind::Error)
 - #158709 (rustdoc: warn on improperly interleaved HTML/MD)
 - #159174 (Fix implicit_provenance_casts warnings on Xous)
 - #159179 (enable `unreachable_cfg_select_predicates` lint as part of `unused` lint group)
 - #159518 (iter: extend step_by specialization to cover StepBy<RangeIter<{integer}>>)
 - #159673 (bootstrap: forward -fdebug-prefix-map when using cc)
 - #159700 (Split non-local `semicolon_in_expressions_from_macros` into a separate lint)
 - #159720 (document #[global_allocator] constraints)
 - #159732 (optimization: don't look for diagnostic/canonical items without rustc_attrs enabled)
 - #159738 (implement `CovariantUnsafeCell`)
 - #159740 (reuse regular exported_non_generic_symbols logic in Miri)
 - #159780 (check `extern "custom"` function pointers)
 - #159786 (rustdoc-js: ignore editor temp files in test folder discovery)
 - #159819 (std::sync::poison: disable auto_cfg on PoisonError::new)
 - #152439 (Fix typos and grammar in library documentation)
 - #155388 (stepping into where-clauses during normalization may be productive)
 - #155914 (when bailing on ambiguity, don't force other results to ambig)
 - #159204 (Add support to caller_location to rustc_public)
 - #159439 (Fix(lib/fs/win): Fall back on Win32 delete for `Dir::remove_file`)
 - #159676 (Update wasm-component-ld to 0.5.27)
 - #159695 (proc_macro: Fix cfg_attr inner attrs in file modules)
 - #159730 (allow accessing the contents of UnsafeCell without going through get)
 - #159809 (Avoid `#[target_features]`)
 - #159878 (bootstrap: Remove obsolete option `build.compiletest-use-stage0-libtest`)

Rollup of 25 pull requests
Successful merges:
 - #138618 (Support using const pointers in asm `const` operand)
 - #157962 (Lower paths to functions in const args as ConstKind::Error)
 - #158709 (rustdoc: warn on improperly interleaved HTML/MD)
 - #159174 (Fix implicit_provenance_casts warnings on Xous)
 - #159179 (enable `unreachable_cfg_select_predicates` lint as part of `unused` lint group)
 - #159518 (iter: extend step_by specialization to cover StepBy<RangeIter<{integer}>>)
 - #159673 (bootstrap: forward -fdebug-prefix-map when using cc)
 - #159700 (Split non-local `semicolon_in_expressions_from_macros` into a separate lint)
 - #159720 (document #[global_allocator] constraints)
 - #159732 (optimization: don't look for diagnostic/canonical items without rustc_attrs enabled)
 - #159738 (implement `CovariantUnsafeCell`)
 - #159740 (reuse regular exported_non_generic_symbols logic in Miri)
 - #159780 (check `extern "custom"` function pointers)
 - #159786 (rustdoc-js: ignore editor temp files in test folder discovery)
 - #159819 (std::sync::poison: disable auto_cfg on PoisonError::new)
 - #152439 (Fix typos and grammar in library documentation)
 - #155388 (stepping into where-clauses during normalization may be productive)
 - #155914 (when bailing on ambiguity, don't force other results to ambig)
 - #159204 (Add support to caller_location to rustc_public)
 - #159439 (Fix(lib/fs/win): Fall back on Win32 delete for `Dir::remove_file`)
 - #159676 (Update wasm-component-ld to 0.5.27)
 - #159695 (proc_macro: Fix cfg_attr inner attrs in file modules)
 - #159730 (allow accessing the contents of UnsafeCell without going through get)
 - #159809 (Avoid `#[target_features]`)
 - #159878 (bootstrap: Remove obsolete option `build.compiletest-use-stage0-libtest`)

Rollup of 25 pull requests
Successful merges:
 - #138618 (Support using const pointers in asm `const` operand)
 - #157962 (Lower paths to functions in const args as ConstKind::Error)
 - #158709 (rustdoc: warn on improperly interleaved HTML/MD)
 - #159174 (Fix implicit_provenance_casts warnings on Xous)
 - #159179 (enable `unreachable_cfg_select_predicates` lint as part of `unused` lint group)
 - #159518 (iter: extend step_by specialization to cover StepBy<RangeIter<{integer}>>)
 - #159673 (bootstrap: forward -fdebug-prefix-map when using cc)
 - #159700 (Split non-local `semicolon_in_expressions_from_macros` into a separate lint)
 - #159720 (document #[global_allocator] constraints)
 - #159732 (optimization: don't look for diagnostic/canonical items without rustc_attrs enabled)
 - #159738 (implement `CovariantUnsafeCell`)
 - #159740 (reuse regular exported_non_generic_symbols logic in Miri)
 - #159780 (check `extern "custom"` function pointers)
 - #159786 (rustdoc-js: ignore editor temp files in test folder discovery)
 - #159819 (std::sync::poison: disable auto_cfg on PoisonError::new)
 - #152439 (Fix typos and grammar in library documentation)
 - #155388 (stepping into where-clauses during normalization may be productive)
 - #155914 (when bailing on ambiguity, don't force other results to ambig)
 - #159204 (Add support to caller_location to rustc_public)
 - #159439 (Fix(lib/fs/win): Fall back on Win32 delete for `Dir::remove_file`)
 - #159676 (Update wasm-component-ld to 0.5.27)
 - #159695 (proc_macro: Fix cfg_attr inner attrs in file modules)
 - #159730 (allow accessing the contents of UnsafeCell without going through get)
 - #159809 (Avoid `#[target_features]`)
 - #159878 (bootstrap: Remove obsolete option `build.compiletest-use-stage0-libtest`)

Rollup of 25 pull requests
Successful merges:
 - #138618 (Support using const pointers in asm `const` operand)
 - #157962 (Lower paths to functions in const args as ConstKind::Error)
 - #158709 (rustdoc: warn on improperly interleaved HTML/MD)
 - #159174 (Fix implicit_provenance_casts warnings on Xous)
 - #159179 (enable `unreachable_cfg_select_predicates` lint as part of `unused` lint group)
 - #159518 (iter: extend step_by specialization to cover StepBy<RangeIter<{integer}>>)
 - #159673 (bootstrap: forward -fdebug-prefix-map when using cc)
 - #159700 (Split non-local `semicolon_in_expressions_from_macros` into a separate lint)
 - #159720 (document #[global_allocator] constraints)
 - #159732 (optimization: don't look for diagnostic/canonical items without rustc_attrs enabled)
 - #159738 (implement `CovariantUnsafeCell`)
 - #159740 (reuse regular exported_non_generic_symbols logic in Miri)
 - #159780 (check `extern "custom"` function pointers)
 - #159786 (rustdoc-js: ignore editor temp files in test folder discovery)
 - #159819 (std::sync::poison: disable auto_cfg on PoisonError::new)
 - #152439 (Fix typos and grammar in library documentation)
 - #155388 (stepping into where-clauses during normalization may be productive)
 - #155914 (when bailing on ambiguity, don't force other results to ambig)
 - #159204 (Add support to caller_location to rustc_public)
 - #159439 (Fix(lib/fs/win): Fall back on Win32 delete for `Dir::remove_file`)
 - #159676 (Update wasm-component-ld to 0.5.27)
 - #159695 (proc_macro: Fix cfg_attr inner attrs in file modules)
 - #159730 (allow accessing the contents of UnsafeCell without going through get)
 - #159809 (Avoid `#[target_features]`)
 - #159878 (bootstrap: Remove obsolete option `build.compiletest-use-stage0-libtest`)

Rollup merge of #159695 - Dnreikronos:proc_macro/cfg_attr_file_mod_inner_attr, r=nnethercote,petrochenkov
proc_macro: Fix cfg_attr inner attrs in file modules
Fixes #159648
Inner proc-macro attrs produced by `cfg_attr` only carry the nested attr span. Splitting source around that span tries to lex two unmatched halves, so file modules fail with an unclosed delimiter.
Lex the complete module body first, then remove the expanded attr from its nested token stream. Sibling attrs stay in place, and empty `cfg_attr` wrappers use their trace span and disappear. imo this is cleaner than teaching source slicing about every nested shape.
Tests exercise sibling attrs on either side of the proc macro, then cover the single-attr case. fyi, denied lints make sibling preservation observable; ltm if another nested case should live here.