Bug ID: 81831
           Summary: -Wno-psabi is not documented
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot
          Reporter: munroesj at gcc dot
  Target Milestone: ---

The online GCC documentation mentions psABI though out the document, but
section "3.8 Options to Request or Suppress Warning" does not describe or even
mention -Wno-psabi.

This may be an issues for some of the tests I am writing which are consistently
generating the warning:

 In function 'check_union128':
note: the ABI of passing aggregates with 16-byte alignment has changed in GCC 5

I am not sure what this will do if someone asserts -Werror.

So it may be appropriate to suppress this warning for ./testsuite/
but when I searched the documentation I could not find any obvious way to do

Segher tells me that -Wno-psabi will suppress this warning, but this is not
documented any where I can find.

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