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Revert "ipc: disable AFDO on Linux"

This reverts commit af31b7d.

The problem bit us again in, so I implemented a more
general fix. As a result, we should now be safe to turn AFDO back on

Bug: 916130
Change-Id: I0f29059f9eccaf62dfeeccf543a8cabbeeaf86a1
Reviewed-by: Ken Rockot <>
Commit-Queue: George Burgess <>
Cr-Commit-Position: refs/heads/master@{#706266}
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George Burgess IV Commit Bot
George Burgess IV authored and Commit Bot committed Oct 16, 2019
1 parent f2f4df8 commit 6400540a9534d8d299405f7944bf8927c1aec43b
Showing with 0 additions and 10 deletions.
  1. +0 −10 ipc/
@@ -104,16 +104,6 @@ component("ipc") {

# TODO( AFDO causes a substantial size increase in
# nacl_helper that originates from here. This is apparently due to some
# mixture of inlining, CFI, and (potentially) speculative devirtualization.
# Work around that by locally disabling AFDO.
# nacl_helper is only available on Linux.
if (is_linux) {
configs -= [ "//build/config/compiler:afdo" ]

if (enable_ipc_fuzzer) {
public_configs = [ "//tools/ipc_fuzzer:ipc_fuzzer_config" ]

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