Fix perf issue with regex_automata (#28748)

atuchin-m · web-flow · commit e343529caaf4 · 2025-04-21T23:28:04.000+02:00
diff --git a/patches/third_party-rust-regex_automata-v0_4-BUILD.gn.patch b/patches/third_party-rust-regex_automata-v0_4-BUILD.gn.patch
@@ -6,6 +6,6 @@ index 1f5143b0afc2f2e480d0c7b7b773d7fc295b338c..82e90a0c2b203d31bf6ccbb4a8b50f19
    # //third_party/rust/chromium_crates_io/Cargo.toml to use
    # it from first-party code.
    visibility = [ "//third_party/rust/*" ]
-+  features += [ "alloc", "meta", "nfa-pikevm", "nfa-thompson", "syntax" ]
-+  deps = [ "//brave/third_party/rust/regex_syntax/v0_8:lib" ]
++  features += [ "alloc", "dfa-onepass", "dfa-search", "hybrid", "meta", "nfa-backtrack", "nfa-pikevm", "nfa-thompson", "perf-inline", "perf-literal", "perf-literal-multisubstring", "perf-literal-substring", "std", "syntax", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment", "unicode-word-boundary" ]
++  deps = [ "//brave/third_party/rust/aho_corasick/v1:lib", "//brave/third_party/rust/regex_syntax/v0_8:lib", "//third_party/rust/memchr/v2:lib" ]
  }

Original file line number	Diff line number	Diff line change
`@@ -6,6 +6,6 @@ index 1f5143b0afc2f2e480d0c7b7b773d7fc295b338c..82e90a0c2b203d31bf6ccbb4a8b50f19`
`6`	`6`	`# //third_party/rust/chromium_crates_io/Cargo.toml to use`
`7`	`7`	`# it from first-party code.`
`8`	`8`	`visibility = [ "//third_party/rust/*" ]`
`9`		`-+ features += [ "alloc", "meta", "nfa-pikevm", "nfa-thompson", "syntax" ]`
`10`		`-+ deps = [ "//brave/third_party/rust/regex_syntax/v0_8:lib" ]`
	`9`	`++ features += [ "alloc", "dfa-onepass", "dfa-search", "hybrid", "meta", "nfa-backtrack", "nfa-pikevm", "nfa-thompson", "perf-inline", "perf-literal", "perf-literal-multisubstring", "perf-literal-substring", "std", "syntax", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment", "unicode-word-boundary" ]`
	`10`	`++ deps = [ "//brave/third_party/rust/aho_corasick/v1:lib", "//brave/third_party/rust/regex_syntax/v0_8:lib", "//third_party/rust/memchr/v2:lib" ]`
`11`	`11`	`}`