Split up the test so each test runs in a fresh Isolate with pristine
protector state.

Note that testArrayConcatES5 was not split out because it is a duplicate
of mjsunit/array-concat.js, and testConcatRevokedProxy has already been
split out as mjsunit/es6/array-concat-revocable-revoked-proxy-[12].js.

Bug: v8:9837
Change-Id: I8f744b0263c82f1dae61a55032124d9129f8e6f3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1864007Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64366}

Arrow functions have been enabled by default since the 4.5 branch.

Review URL: https://codereview.chromium.org/1373633002

Cr-Commit-Position: refs/heads/master@{#31031}

TBR=dslomov@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1027693003

Cr-Commit-Position: refs/heads/master@{#27339}

Arrow function parameter lists are parsed as expressions. When an identifier
is found a VariableProxy is created and added to the list of unresolved
variables for the scope. When parsing a function lazily, the scope has been
already resolved, so with this patch only the VariableProxy is created,
without adding it as an unresolved variable in the scope.

BUG=v8:3501
LOG=Y

Review URL: https://codereview.chromium.org/880253004

Cr-Commit-Position: refs/heads/master@{#26328}

Set a valid reason for disabling optimization when using
%NeverOptimizeFunction.

TEST=mjsunit/compiler/regress-445732
BUG=chromium:445732
LOG=y
TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/832003002

Cr-Commit-Position: refs/heads/master@{#25949}

BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/176793003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19756 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jkummerow@chromium.org
BUG=349870
LOG=N

Review URL: https://codereview.chromium.org/182003004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19687 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=347912
LOG=y
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/183683005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19601 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

LOG=y
BUG=347542
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/183763007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19592 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=arv@chromium.org, mstarzinger@chromium.org
BUG=346141
LOG=Y

Review URL: https://codereview.chromium.org/177883002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19539 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/165743003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19511 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=dslomov@chromium.org
BUG=v8:3159
LOG=N

Review URL: https://codereview.chromium.org/163293002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19369 ce2b1a6d-e550-0410-aec6-3dcde31c8c00