Commits on Nov 21, 2019

1. Allow multiple cfgs per comment in "revisions:" tests …

   The `//[X]~` syntax filters errors for tests that are run across
   multiple cfgs with  `// revisions:`. This commit extends that syntax to
   accept `//[X,Y]~`, which will match multiple cfgs to the same error
   annotation. This is functionally the same as writing two comments,
   `//[X]~` and `//[Y]~`, but can fit on a single line.

   

   ecstatic-morse committed Nov 21, 2019
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2. Fix broken incremental test …

   This test does not actually emit any warnings, since
   `#![allow(warnings)]` was specified. `compiletest` was erroneously
   ignoring `//~` tests and looking only for `//[X]~` ones. As a result of
   the changes in the previous commit, we now look for `//~` comments in
   incremental tests and expect them to appear in *all* revisions.

   

   ecstatic-morse committed Nov 21, 2019
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3. Change some tests to use the shorter comment style

   

   ecstatic-morse committed Nov 21, 2019
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4. Give name to full regex capture

   

   ecstatic-morse committed Nov 21, 2019
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