Temporarily back out newly introduced assertions to fix buildbots

Temporarily back out newly introduced assertions to fix buildbots

These assertions where recently added as the part of implementation
of truncating integer arithmetic to 64 bits. They check invariants
for the existing implementation of shifts. So far, there are
several failures on IA32 and ARM.

Commenting out these assertions while investigating to make buildbots
green.

TBR

Committed: https://github.com/dart-lang/sdk/commit/8fb4aaa132564245c13de8d2030a3132089b9da4

[alexmarkov, 2017-07-11 16:36:55]

Description was changed from

==========
Temporarily back out newly introduced assertions to fix buildbots

These assertions where recently added as the part of implementation
of truncating integer arithmetic to 64 bits. They check invariants
for the existing implementation of shifts. So far, there are
several failures on IA32 and ARM.

Commenting out these assertions while investigating to make buildbots
green.

TBR
==========

to

==========
Temporarily back out newly introduced assertions to fix buildbots

These assertions where recently added as the part of implementation
of truncating integer arithmetic to 64 bits. They check invariants
for the existing implementation of shifts. So far, there are
several failures on IA32 and ARM.

Commenting out these assertions while investigating to make buildbots
green.

TBR

Committed:
https://github.com/dart-lang/sdk/commit/8fb4aaa132564245c13de8d2030a3132089b9da4
==========

[alexmarkov, 2017-07-11 16:36:56]

Committed patchset #1 (id:1) manually as
8fb4aaa132564245c13de8d2030a3132089b9da4 (presubmit successful).