Fixes pytorch#1741

Relaxing vectorization check to avoid false assert on strides for broadcasted domains
Shamelessly stole Kevin's cpp repro.

…sarofeen/pytorch/

Squashed commits to WAR github API

Commits that's actually in this PR from the devel branch:

4c60e7d Add examples infrastructure for using nvFuser in a standalone program (pytorch#1725)
02a05d9 Fix issue pytorch#1751 (pytorch#1753)
8a69aa3 Refactor NvFuser transpose API to match eager mode behavior (pytorch#1746)
ffdf6b7 Remove BroadcastWithoutStride. (pytorch#1738)
02bab16 Fix flipping of a boolean flag (pytorch#1745)
465d668 cleanup (pytorch#1744)
26d354e fixing noncontig broadcast (pytorch#1742)
856b6b2 Add IterDomainBuilder (pytorch#1736)
1fd974f fixing warning for gcc7 (pytorch#1732)
de2740a disabling complex in python tests for pytorch#1730 (pytorch#1733)
fbbbe0a fixing MSVC build (pytorch#1728)
b5feee5 Fix the fused reduction runtime kernel (pytorch#1729)
5247682 Re-entrant GroupedGridReduction (pytorch#1727)

Syncing nvfuser devel branch to upstream master. https://github.com/csarofeen/pytorch/

Bug fixes and minor refactor

Squashed commits to WAR github API
Commits that's actually in this PR from the devel branch:

```
4c60e7d Add examples infrastructure for using nvFuser in a standalone program (#1725)
02a05d9 Fix issue #1751 (#1753)
8a69aa3 Refactor NvFuser transpose API to match eager mode behavior (#1746)
ffdf6b7 Remove BroadcastWithoutStride. (#1738)
02bab16 Fix flipping of a boolean flag (#1745)
465d668 cleanup (#1744)
26d354e fixing noncontig broadcast (#1742)
856b6b2 Add IterDomainBuilder (#1736)
1fd974f fixing warning for gcc7 (#1732)
de2740a disabling complex in python tests for #1730 (#1733)
fbbbe0a fixing MSVC build (#1728)
b5feee5 Fix the fused reduction runtime kernel (#1729)
5247682 Re-entrant GroupedGridReduction (#1727)
```

RUN_TORCHBENCH: nvfuser
Pull Request resolved: #79147
Approved by: https://github.com/davidberard98

Summary:
Syncing nvfuser devel branch to upstream master. https://github.com/csarofeen/pytorch/

Bug fixes and minor refactor

Squashed commits to WAR github API
Commits that's actually in this PR from the devel branch:

```
4c60e7d Add examples infrastructure for using nvFuser in a standalone program (#1725)
02a05d9 Fix issue #1751 (#1753)
8a69aa3 Refactor NvFuser transpose API to match eager mode behavior (#1746)
ffdf6b7 Remove BroadcastWithoutStride. (#1738)
02bab16 Fix flipping of a boolean flag (#1745)
465d668 cleanup (#1744)
26d354e fixing noncontig broadcast (#1742)
856b6b2 Add IterDomainBuilder (#1736)
1fd974f fixing warning for gcc7 (#1732)
de2740a disabling complex in python tests for #1730 (#1733)
fbbbe0a fixing MSVC build (#1728)
b5feee5 Fix the fused reduction runtime kernel (#1729)
5247682 Re-entrant GroupedGridReduction (#1727)
```

Pull Request resolved: #79147

Reviewed By: zou3519

Differential Revision: D37038192

Pulled By: davidberard98

fbshipit-source-id: 330f46ee21eef5c2de7e178290f2962aa030393e

Landing reverted PR #79147.

Syncing nvfuser devel branch to upstream master. https://github.com/csarofeen/pytorch/

Bug fixes and minor refactor

Squashed commits to WAR github API
Commits that's actually in this PR from the devel branch:

```
4c60e7d Add examples infrastructure for using nvFuser in a standalone program (#1725)
02a05d9 Fix issue #1751 (#1753)
8a69aa3 Refactor NvFuser transpose API to match eager mode behavior (#1746)
ffdf6b7 Remove BroadcastWithoutStride. (#1738)
02bab16 Fix flipping of a boolean flag (#1745)
465d668 cleanup (#1744)
26d354e fixing noncontig broadcast (#1742)
856b6b2 Add IterDomainBuilder (#1736)
1fd974f fixing warning for gcc7 (#1732)
de2740a disabling complex in python tests for #1730 (#1733)
fbbbe0a fixing MSVC build (#1728)
b5feee5 Fix the fused reduction runtime kernel (#1729)
5247682 Re-entrant GroupedGridReduction (#1727)
```

RUN_TORCHBENCH: nvfuser
Pull Request resolved: #79406
Approved by: https://github.com/davidberard98

Summary:
Landing reverted PR #79147.

Syncing nvfuser devel branch to upstream master. https://github.com/csarofeen/pytorch/

Bug fixes and minor refactor

Squashed commits to WAR github API
Commits that's actually in this PR from the devel branch:

```
4c60e7d Add examples infrastructure for using nvFuser in a standalone program (#1725)
02a05d9 Fix issue #1751 (#1753)
8a69aa3 Refactor NvFuser transpose API to match eager mode behavior (#1746)
ffdf6b7 Remove BroadcastWithoutStride. (#1738)
02bab16 Fix flipping of a boolean flag (#1745)
465d668 cleanup (#1744)
26d354e fixing noncontig broadcast (#1742)
856b6b2 Add IterDomainBuilder (#1736)
1fd974f fixing warning for gcc7 (#1732)
de2740a disabling complex in python tests for #1730 (#1733)
fbbbe0a fixing MSVC build (#1728)
b5feee5 Fix the fused reduction runtime kernel (#1729)
5247682 Re-entrant GroupedGridReduction (#1727)
```

RUN_TORCHBENCH: nvfuser

Pull Request resolved: #79406

Reviewed By: anjali411

Differential Revision: D37109147

Pulled By: davidberard98

fbshipit-source-id: 14209be028a3338be112cc83ffe77e631f802891