Move some UI tests to more suitable subdirs

[JohnTitor]

cc #73494
The classified result is here: https://gist.github.com/JohnTitor/c9e00840990b5e4a8fc562ec3571e427

• issues/issue-27060.rs: misclassified, should be packed.
• issues/issue-45157.rs: moved to nll.
• issues/issue-69532.rs: couldn't figured out the best place, placed a new llvm dir moved to consts.
• fsu-moves-and-copies.rs: moved to borrowck.
• issues/issue-36638.rs: misclassified, moved to keyword.
• issues/issue-48636.rs: moved to parser.
• issues/issue-37655.rs: I'm not sure but associated-types shouldn't the best, moved to coercion but region may be better.
• issues/issue-20005.rs: moved to associated-types.
• issues/issue-82869.rs: moved to asm.
• issues/issue-24535-allow-mutable-borrow-in-match-guard.rs: moved to nll.
• issues/issue-52169.rs: moved to macros.
• test-passed.rs: moved to test-attrs along with test- prefixed tests.
  • test-cfg.rs: moved to conditional-compilation.
• non-integer-atomic.rs: moved to intrinsics.
• issues/issue-54521-2.rs: moved to parser.
• issues/issue-17756.rs: moved to consts.
• conversion-methods.rs: moved to suggestions moved to typeck.

r? @petrochenkov

[petrochenkov]

issue-69532.rs -> consts (apfloat is our own const eval, not llvm, even if it's cloned from llvm)
conversion-methods.rs -> typeck (the suggestions subdirectory is meaningless)
test-cfg.rs -> conditional-compilation (no #[test] in sight)

[JohnTitor]

Thanks, updated.

[petrochenkov]

@bors r+

[bors]

📌 Commit 2c62686 has been approved by petrochenkov

[bors]

⌛ Testing commit 2c62686 with merge 0ce2112...

[bors]

☀️ Test successful - checks-actions
Approved by: petrochenkov
Pushing 0ce2112 to master...