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Taras Tsugrii 64dfd1090d [rustc_data_structures][base_n][perf] Remove unnecessary utf8 check. 
Since all output characters taken from `BASE_64` are valid UTF8 chars
there is no need to waste cycles on validation.

Even though it's obviously a perf win, I've also used a [benchmark](https://gist.github.com/ttsugriy/e1e63c07927d8f31e71695a9c617bbf3)
on M1 MacBook Air with following results:
```
Running benches/base_n_benchmark.rs (target/release/deps/base_n_benchmark-825fe5895b5c2693)
push_str/old            time:   [14.670 µs 14.852 µs 15.074 µs]
                        Performance has regressed.
Found 11 outliers among 100 measurements (11.00%)
  4 (4.00%) high mild
  7 (7.00%) high severe
push_str/new            time:   [12.573 µs 12.674 µs 12.801 µs]
                        Performance has regressed.
Found 11 outliers among 100 measurements (11.00%)
  7 (7.00%) high mild
  4 (4.00%) high severe
```
2023-08-01 11:10:17 -07:00
..
rustc inline format!() args up to and including rustc_middle 2023-07-30 13:18:33 +02:00
rustc_abi inline format!() args up to and including rustc_middle 2023-07-30 13:18:33 +02:00
rustc_arena Extend unused_must_use to cover block exprs 2023-06-15 17:59:13 +08:00
rustc_ast Parse generic const items 2023-07-28 22:21:33 +02:00
rustc_ast_lowering Lower generic const items to HIR 2023-07-28 22:21:40 +02:00
rustc_ast_passes inline format!() args up to and including rustc_middle 2023-07-30 13:18:33 +02:00
rustc_ast_pretty Parse generic const items 2023-07-28 22:21:33 +02:00
rustc_attr Add infrastructure #[rustc_confusables] attribute to allow targeted 2023-07-16 19:22:03 +08:00
rustc_baked_icu_data Regen baked data 2023-05-02 10:45:16 -07:00
rustc_borrowck Auto merge of #111753 - cjgillot:simp-place-conflict, r=compiler-errors 2023-08-01 03:53:19 +00:00
rustc_builtin_macros inline format!() args up to and including rustc_middle 2023-07-30 13:18:33 +02:00
rustc_codegen_cranelift Merge commit '1eded3619d0e55d57521a259bf27a03906fdfad0' into sync_cg_clif-2023-07-22 2023-07-22 13:32:34 +00:00
rustc_codegen_gcc Use standard Rust capitalization rules for names containing "LTO". 2023-07-31 16:21:02 +10:00
rustc_codegen_llvm Make coverage counter IDs count up from 0, not 1 2023-08-01 11:29:55 +10:00
rustc_codegen_ssa Rollup merge of #113717 - cuishuang:master, r=Nilstrieb 2023-07-31 22:49:47 +02:00
rustc_const_eval fix alignment handling for Repeat expressions 2023-07-31 19:22:14 +02:00
rustc_data_structures [rustc_data_structures][base_n][perf] Remove unnecessary utf8 check. 2023-08-01 11:10:17 -07:00
rustc_driver Update rustix 2023-07-03 07:20:51 +00:00
rustc_driver_impl Use a builder instead of boolean/option arguments 2023-07-25 13:51:15 +00:00
rustc_error_codes error/E0691: include alignment in error message 2023-07-21 11:04:16 +02:00
rustc_error_messages inline format!() args up to and including rustc_middle 2023-07-30 13:18:33 +02:00
rustc_errors Rollup merge of #114068 - matthiaskrgr:fmt_args_rustc_1, r=WaffleLapkin 2023-07-30 14:25:09 +02:00
rustc_expand inline format!() args up to and including rustc_middle 2023-07-30 13:18:33 +02:00
rustc_feature Mark lazy_type_alias as incomplete 2023-07-29 19:47:15 +00:00
rustc_fluent_macro Fix diagnostics with errors 2023-05-26 10:44:18 +00:00
rustc_fs_util Add try_canonicalize to rustc_fs_util and use it over fs::canonicalize 2023-03-16 21:50:23 +01:00
rustc_graphviz enable rust_2018_idioms for doctests 2023-05-07 00:12:29 +03:00
rustc_hir Lower generic const items to HIR 2023-07-28 22:21:40 +02:00
rustc_hir_analysis Rollup merge of #114267 - compiler-errors:rpitit-opaque-bounds, r=spastorino 2023-07-31 16:57:55 +02:00
rustc_hir_pretty Lower generic const items to HIR 2023-07-28 22:21:40 +02:00
rustc_hir_typeck Rollup merge of #114288 - Urgau:fix-issue-109352, r=b-naber 2023-08-01 17:39:11 +02:00
rustc_incremental inline format!() args up to and including rustc_codegen_llvm 2023-07-30 14:22:50 +02:00
rustc_index Re-format let-else per rustfmt update 2023-07-12 21:49:27 -04:00
rustc_infer Rollup merge of #114267 - compiler-errors:rpitit-opaque-bounds, r=spastorino 2023-07-31 16:57:55 +02:00
rustc_interface replace atty crate with std's isTerminal 2023-07-26 18:09:50 +03:00
rustc_lexer Update lexer emoji diagnostics to Unicode 15.0 2023-07-29 08:47:21 +08:00
rustc_lint Rollup merge of #114286 - nbdd0121:upcast, r=compiler-errors 2023-07-31 16:57:56 +02:00
rustc_lint_defs fix(resolve): update the ambiguity glob binding as warning recursively 2023-07-29 00:19:50 +08:00
rustc_llvm Update the minimum external LLVM to 15 2023-07-27 14:07:08 -07:00
rustc_log inline format!() args up to and including rustc_middle 2023-07-30 13:18:33 +02:00
rustc_macros inline format!() args up to and including rustc_middle 2023-07-30 13:18:33 +02:00
rustc_metadata Rollup merge of #113741 - compiler-errors:rpitit-projects-to-missing-opaque, r=spastorino 2023-07-30 17:50:48 -07:00
rustc_middle Make coverage counter IDs count up from 0, not 1 2023-08-01 11:29:55 +10:00
rustc_mir_build Lower generic const items to HIR 2023-07-28 22:21:40 +02:00
rustc_mir_dataflow inline format!() args up to and including rustc_codegen_llvm 2023-07-30 14:22:50 +02:00
rustc_mir_transform Make coverage counter IDs count up from 0, not 1 2023-08-01 11:29:55 +10:00
rustc_monomorphize Rollup merge of #113872 - nnethercote:tweak-cgu-sorting, r=pnkfelix 2023-07-27 06:04:12 +02:00
rustc_parse Rollup merge of #114256 - Urgau:fix-issue-114180, r=WaffleLapkin 2023-07-30 20:36:35 +02:00
rustc_parse_format Fix unit tests 2023-07-19 16:37:09 +00:00
rustc_passes Lower generic const items to HIR 2023-07-28 22:21:40 +02:00
rustc_plugin_impl Add rustc_fluent_macro to decouple fluent from rustc_macros 2023-04-18 18:56:22 +00:00
rustc_privacy Weaken unnameable_types lint 2023-07-30 14:02:21 +03:00
rustc_query_impl fix couple of clippy findings: 2023-07-23 10:50:14 +02:00
rustc_query_system inline format!() args up to and including rustc_middle 2023-07-30 13:18:33 +02:00
rustc_resolve Rollup merge of #113920 - bvanjoi:fix-81413, r=petrochenkov 2023-07-31 22:49:50 +02:00
rustc_serialize Upgrade to indexmap 2.0.0 2023-07-03 13:51:54 -07:00
rustc_session Fix a comment. 2023-07-31 16:21:02 +10:00
rustc_smir clean up, use opaque types 2023-08-01 17:48:20 +03:00
rustc_span Simplify Span::can_be_used_for_suggestions a little tiny bit 2023-07-30 15:37:39 +00:00
rustc_symbol_mangling Auto merge of #113708 - rcvalle:rust-cfi-fix-100778, r=compiler-errors 2023-07-27 02:48:38 +00:00
rustc_target Add definitions for riscv64_linux_android target 2023-07-26 11:46:48 -07:00
rustc_trait_selection Rollup merge of #114200 - compiler-errors:detect-tail-unsize-then-upcast, r=lcnr 2023-07-31 22:51:16 +02:00
rustc_traits refactor(rustc_middle): Substs -> GenericArg 2023-07-14 13:27:35 +01:00
rustc_transmute Don't attempt to compute layout of type referencing error 2023-07-27 18:24:08 +00:00
rustc_ty_utils Rollup merge of #114267 - compiler-errors:rpitit-opaque-bounds, r=spastorino 2023-07-31 16:57:55 +02:00
rustc_type_ir inline format!() args up to and including rustc_middle 2023-07-30 13:18:33 +02:00