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- diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
- index 80bc79e5fb3..13b200e4cb0 100644
- --- a/build/config/compiler/BUILD.gn
- +++ b/build/config/compiler/BUILD.gn
- @@ -616,24 +616,6 @@ config("compiler") {
- }
- }
-
- - # TODO(crbug.com/1488374): This causes binary size growth and potentially
- - # other problems.
- - # TODO(crbug.com/1491036): This isn't supported by Cronet's mainline llvm version.
- - if (default_toolchain != "//build/toolchain/cros:target" &&
- - !llvm_android_mainline) {
- - cflags += [
- - "-mllvm",
- - "-split-threshold-for-reg-with-hint=0",
- - ]
- - if (use_thin_lto && is_a_target_toolchain) {
- - if (is_win) {
- - ldflags += [ "-mllvm:-split-threshold-for-reg-with-hint=0" ]
- - } else {
- - ldflags += [ "-Wl,-mllvm,-split-threshold-for-reg-with-hint=0" ]
- - }
- - }
- - }
- -
- # TODO(crbug.com/1235145): Investigate why/if this should be needed.
- if (is_win) {
- cflags += [ "/clang:-ffp-contract=off" ]
- @@ -768,7 +750,6 @@ config("compiler") {
- ldflags += [
- "/opt:lldltojobs=all",
- "-mllvm:-import-instr-limit=$import_instr_limit",
- - "-mllvm:-disable-auto-upgrade-debug-info",
- ]
- } else {
- ldflags += [ "-flto=thin" ]
- @@ -800,13 +781,6 @@ config("compiler") {
- if (is_apple) {
- ldflags += [ "-Wcrl,object_path_lto" ]
- }
- - if (!is_chromeos) {
- - # TODO(https://crbug.com/972449): turn on for ChromeOS when that
- - # toolchain has this flag.
- - # We only use one version of LLVM within a build so there's no need to
- - # upgrade debug info, which can be expensive since it runs the verifier.
- - ldflags += [ "-Wl,-mllvm,-disable-auto-upgrade-debug-info" ]
- - }
- }
-
- # TODO(https://crbug.com/1211155): investigate why this isn't effective on
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