Reason for revert:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Android%20Arm64%20-%20builder/builds/4851
Original issue's description:
> Update implementation of atomics with latest Chromium version but use compiler builtin atomics
>
> Ideally, we would use the standard library. However, when we are compiling against an older version of the standard library the atomic implementation may be slow.
>
> BUG=
TBR=mlippautz@chromium.org,ulan@chromium.org,jarin@chromium.org,hpayer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=
Review-Url: https://chromiumcodereview.appspot.com/2438983002
Cr-Commit-Position: refs/heads/master@{#40489}
Ideally, we would use the standard library. However, when we are compiling against an older version of the standard library the atomic implementation may be slow.
BUG=
Review-Url: https://chromiumcodereview.appspot.com/2425963002
Cr-Commit-Position: refs/heads/master@{#40488}
Without that, it has a few false positives about out-of-bounds array accesses.
Also makes the clang static-analyzer happy.
Original code review from Sven Panne:
https://codereview.chromium.org/790723002/
CQ_INCLUDE_TRYBOTS=tryserver.v8:v8_linux_arm_dbg,v8_linux_arm64_dbg,v8_mac64_dbg,v8_win_compile_dbg,v8_linux_gcc_rel
Review URL: https://codereview.chromium.org/1393023003
Cr-Commit-Position: refs/heads/master@{#31185}
Reason for revert:
Breaks Arm debug.
Original issue's description:
> Reland: Introduce a V8_NORETURN macro and use it to make GCC 4.9.2 happy again.
>
> Without that, it has a few false positives about out-of-bounds array accesses.
> Also makes the clang static-analyzer happy.
>
> Original code review from Sven Panne:
> https://codereview.chromium.org/790723002/
>
> CQ_INCLUDE_TRYBOTS=tryserver.v8:v8_linux_arm_dbg,v8_linux_arm64_dbg,v8_mac64_dbg,v8_win_compile_dbg
>
> Committed: https://crrev.com/93ae81101af68d81b7af84ea4046ea849e605116
> Cr-Commit-Position: refs/heads/master@{#31163}
TBR=jochen@chromium.org,karl@skomski.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Review URL: https://codereview.chromium.org/1398643002
Cr-Commit-Position: refs/heads/master@{#31167}
Without that, it has a few false positives about out-of-bounds array accesses.
Also makes the clang static-analyzer happy.
Original code review from Sven Panne:
https://codereview.chromium.org/790723002/
CQ_INCLUDE_TRYBOTS=tryserver.v8:v8_linux_arm_dbg,v8_linux_arm64_dbg,v8_mac64_dbg,v8_win_compile_dbg
Review URL: https://codereview.chromium.org/1383053005
Cr-Commit-Position: refs/heads/master@{#31163}
